FNUS55 KGJT 200829 FWFGJT Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 229 AM MDT Wed May 20 2026 .DISCUSSION... A chance for isolated showers and thunderstorms will continue for the mountains, favoring areas south of I-70 Wednesday. Wetting rains are not expected. A disturbance will bring greater chances of wetting rain and thunderstorms to northwest CO and northeast UT Thursday. Increased winds and a frontal passage will keep more widespread critical fire weather conditions in place for southwest CO Thursday into Saturday, before lighter winds return Sunday. ...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS OR THUNDERSTORMS... ...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL... COZ200-210030- Little Snake Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny (10-20%). Chc of lightning....0 percent. Max temperature.....53-63 F near 6000 feet 43-53 F near 8000 feet. Min humidity........21-31%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......1000 ft AGL until 0900. 9500 ft AGL after 1000. Transport Winds.....North 5 mph until 1200, then west. Smoke dispersal.....Poor until 0900. Fair after 1200. .TONIGHT... Sky/weather.........Near 6000 feet, partly cloudy (30-40%) until 2400, then mostly cloudy (60-70%). Near 8000 feet, partly cloudy (40-50%). Chc of lightning....0 percent. Min temperature.....34-44 F. Max humidity........56-71% near 6000 feet 49-59% near 8000 feet. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 10 to 15 mph increasing to 20 to 25 mph after midnight. Mixing Height.......8500 ft AGL until 2000. 500 ft AGL after 2100. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor. .THURSDAY... Sky/weather.........Mostly cloudy (70-80%). Near 6000 feet, scattered showers and thunderstorms after 1200. near 8000 feet, numerous showers and scattered thunderstorms after 1200. Chc of lightning....50 percent. Max temperature.....55-65 F near 6000 feet 44-54 F near 8000 feet. Min humidity........29-39% near 6000 feet 37-47% near 8000 feet. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 25 mph in the afternoon. CWR.................30 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph. Mixing Height.......2500 ft AGL until 1000, then 7500 ft AGL until 1300, then 13000 ft AGL until 1500, then 5500 ft AGL. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900, then fair until 1200, then excellent until 1500, then good. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms near 6000 feet and scattered showers and isolated thunderstorms near 8000 feet. Lows 31-41. Highs 56-66. Winds less than 15 mph. .SATURDAY...Mostly clear. Lows 33-43. Highs 65-75. Winds less than 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 37-47. Highs 72-82. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Lows 40-50. Highs 76-86. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms near 6000 feet and scattered thunderstorms and isolated showers near 8000 feet. Lows 42-52. Highs 70-80. $$ COZ201-210030- Routt Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly cloudy (30-40%). Isolated showers and thunderstorms after 1200. Chc of lightning....0 percent. Max temperature.....47-57 F. Min humidity........23-33%. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 25 mph in the afternoon. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Mixing Height.......1500 ft AGL until 0900, then 8500 ft AGL. Transport Winds.....Northwest 5 mph until 1200, then west 10 to 15 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .TONIGHT... Sky/weather.........Partly cloudy (30-40%). Chc of lightning....0 percent. Min temperature.....24-34 F. Max humidity........57-67%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......6500 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....Northwest 5 mph until 2400, then southeast. Smoke dispersal.....Poor. .THURSDAY... Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly cloudy (70-80%). Scattered showers and thunderstorms after 1200. Chc of lightning....50 percent. Max temperature.....50-60 F. Min humidity........27-37%. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming west 10 to 15 mph in the afternoon. Localized gusts up to 30 mph. CWR.................40 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph. Mixing Height.......1000 ft AGL until 0800. 6500 ft AGL after 0900. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900, then good until 1200, then excellent until 1500, then good. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Mostly cloudy. Showers and isolated thunderstorms. Lows 27-37. Highs 47-57. Winds less than 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 28-38. Highs 56-66. Winds less than 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 32-42. Highs 63-73. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms. Lows 36-46. Highs 67-77. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 38-48. Highs 62-72. $$ COZ202-210030- White River Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny (10-20%). Chc of lightning....0 percent. Max temperature.....53-63 F near 6000 feet 46-56 F near 8000 feet. Min humidity........15-25% near 6000 feet 21-31% near 8000 feet. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph. Mixing Height.......2000 ft AGL until 1000, then 9000 ft AGL. Transport Winds.....North 5 mph until 1200, then west. Smoke dispersal.....Poor until 0900. Fair after 1200. .TONIGHT... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Min temperature.....31-41 F. Max humidity........56-66% near 6000 feet 45-55% near 8000 feet. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......7500 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....West 5 mph until 2400, then southeast. Smoke dispersal.....Poor. .THURSDAY... Sky/weather.........Mostly cloudy (70-80%). Near 6000 feet, scattered showers and thunderstorms after 1200. near 8000 feet, scattered showers and isolated thunderstorms after 1200. Chc of lightning....30 percent. Max temperature.....57-67 F near 6000 feet 49-59 F near 8000 feet. Min humidity........22-32%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph. Mixing Height.......1000 ft AGL until 0900, then 8000 ft AGL until 1300, then 13000 ft AGL until 1500, then 5500 ft AGL. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900, then fair until 1200, then excellent until 1500, then good. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms near 6000 feet and scattered showers and isolated thunderstorms near 8000 feet. Lows 31-41. Highs 57-67. Winds less than 15 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms near 8000 feet. Lows 33-43. Highs 67-77. Winds less than 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 37-47. Highs 74-84. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Lows 40-50. Highs 78-88. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms near 6000 feet and scattered showers and thunderstorms near 8000 feet. Lows 43-53. Highs 71-81. $$ COZ203-210030- Lower Colorado River- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny (20-30%). Chc of lightning....0 percent. Max temperature.....58-68 F near 6000 feet 50-60 F near 8000 feet. Min humidity........14-24%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 20 to 25 mph in the afternoon. Mixing Height.......1000 ft AGL until 0900. 10000 ft AGL after 1000. Transport Winds.....Northwest 5 mph until 1200, then west 10 to 15 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Min temperature.....34-44 F. Max humidity........46-56%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......8500 ft AGL until 2000, then 500 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then east. Smoke dispersal.....Fair until 2100, then poor. .THURSDAY... Sky/weather.........Mostly cloudy (60-70%). Isolated showers and thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....63-73 F near 6000 feet 53-63 F near 8000 feet. Min humidity........15-25%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph increasing to southwest 25 to 35 mph in the afternoon. Mixing Height.......2000 ft AGL until 1000, then 11500 ft AGL. Transport Winds.....South 5 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 35-45. Highs 62-72. Winds less than 15 mph. .SATURDAY...Mostly clear. Isolated showers. Lows 38-48. Highs 69-79. Winds less than 15 mph. .SUNDAY...Clear. Isolated showers and thunderstorms. Lows 42-52. Highs 75-85. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms. Lows 45-55. Highs 78-88. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 47-57. Highs 71-81. $$ COZ205-210030- Colorado River Headwaters- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly cloudy (40-50%). Isolated showers and thunderstorms. Chc of lightning....20 percent. Max temperature.....53-63 F. Min humidity........20-30%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 20 to 25 mph in the afternoon. Mixing Height.......1500 ft AGL until 0900, then 9500 ft AGL. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Mostly clear (20-30%). Chc of lightning....0 percent. Min temperature.....28-38 F. Max humidity........58-73%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph. Mixing Height.......7000 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then southeast. Smoke dispersal.....Fair until 2100, then poor. .THURSDAY... Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly cloudy (70-80%). Isolated showers and thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....56-66 F. Min humidity........20-30%. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming west 10 to 15 mph with gusts to 30 mph in the afternoon. CWR.................10 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph. Mixing Height.......500 ft AGL until 0800. 8000 ft AGL after 0900. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900, then good until 1200, then excellent until 1500, then very good. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 29-39. Highs 53-63. Winds less than 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 30-40. Highs 59-69. Winds less than 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 32-42. Highs 66-76. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms. Lows 36-46. Highs 70-80. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 38-48. Highs 64-74. $$ COZ290-210030- Paradox Valley Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly sunny (20-30%). Near 8000 feet, isolated showers. Isolated thunderstorms after 1200. Chc of lightning....0 percent. Max temperature.....60-70 F near 6000 feet 52-62 F near 8000 feet. Min humidity........13-23%. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 20 mph in the afternoon. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Mixing Height.......2500 ft AGL until 1000, then 11000 ft AGL. Transport Winds.....West 5 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Mostly clear (20-30%). Chc of lightning....0 percent. Min temperature.....33-43 F near 6000 feet 29-39 F near 8000 feet. Max humidity........43-53% near 6000 feet 52-62% near 8000 feet. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......9000 ft AGL until 2000, then 500 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then southeast. Smoke dispersal.....Fair until 2100, then poor. .THURSDAY... Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly cloudy (60-70%). Chc of lightning....0 percent. Max temperature.....65-75 F near 6000 feet 57-67 F near 8000 feet. Min humidity........12-17%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......1000 ft AGL until 0900. 12000 ft AGL after 1100. Transport Winds.....South 5 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Lows 37-47. Highs 65-75. Winds less than 15 mph. .SATURDAY...Mostly clear. Lows 40-50. Highs 71-81. Winds less than 15 mph. .SUNDAY...Clear. Isolated showers and thunderstorms. Lows 42-52. Highs 76-86. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms near 6000 feet and scattered showers and thunderstorms near 8000 feet. Lows 45-55. Highs 79-89. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 47-57. Highs 72-82. $$ COZ291-210030- Northern San Juan Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly cloudy (50-60%). Scattered showers and isolated thunderstorms. Chc of lightning....20 percent. Max temperature.....51-61 F. Min humidity........21-31%. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 20 mph in the afternoon. CWR.................20 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......1500 ft AGL until 0900, then 10000 ft AGL. Transport Winds.....Southwest 5 to 10 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Mostly clear (20-30%). Chc of lightning....0 percent. Min temperature.....28-38 F. Max humidity........54-64%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph. Mixing Height.......8000 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....West 5 to 10 mph until 2400, then south. Smoke dispersal.....Fair until 2100, then poor. .THURSDAY... Sky/weather.........Partly cloudy (40-50%). Isolated showers and thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....55-65 F. Min humidity........13-23%. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming west 10 to 15 mph in the afternoon. Localized gusts up to 30 mph. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......500 ft AGL until 0800. 11000 ft AGL after 0900. Transport Winds.....Southwest 10 to 15 mph until 1200, then west 20 to 25 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 30-40. Highs 57-67. Winds less than 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 32-42. Highs 62-72. Winds less than 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 34-44. Highs 67-77. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Scattered showers and thunderstorms. Lows 37-47. Highs 69-79. .TUESDAY...Partly cloudy. Numerous showers and scattered thunderstorms. Lows 39-49. Highs 61-71. $$ COZ292-210030- North Fork Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Near 6000 feet, partly cloudy (40-50%) until 1200, then mostly sunny (20-30%), isolated showers and thunderstorms after 1200. Near 8000 feet, partly cloudy (40-50%), isolated showers and thunderstorms. Chc of lightning....10 percent. Max temperature.....61-71 F near 6000 feet 47-57 F near 8000 feet. Min humidity........15-25% near 6000 feet 22-32% near 8000 feet. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 25 mph in the afternoon. CWR.................10 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph. Mixing Height.......1000 ft AGL until 0900. 10000 ft AGL after 1100. Transport Winds.....West 5 mph until 1200, then 10 to 15 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Mostly clear (20-30%). Chc of lightning....0 percent. Min temperature.....29-39 F near 6000 feet 28-38 F near 8000 feet. Max humidity........54-64%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......8000 ft AGL until 2000, then 500 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then southeast. Smoke dispersal.....Fair until 2100, then poor. .THURSDAY... Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly cloudy (60-70%). Near 8000 feet, isolated showers and thunderstorms after 1200. Chc of lightning....0 percent. Max temperature.....62-72 F near 6000 feet 54-64 F near 8000 feet. Min humidity........12-22%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph. Mixing Height.......1000 ft AGL until 0900. 11500 ft AGL after 1000. Transport Winds.....South 5 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 36-46. Highs 64-74. Winds less than 15 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms near 8000 feet. Lows 38-48. Highs 71-81. Winds less than 15 mph. .SUNDAY...Clear. Isolated showers and thunderstorms. Lows 41-51. Highs 77-87. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms. Lows 44-54. Highs 80-90. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms near 6000 feet and numerous showers and scattered thunderstorms near 8000 feet. Lows 46-56. Highs 73-83. $$ COZ293-210030- Gunnison Basin Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly cloudy (40-50%). Isolated thunderstorms until 1200. Scattered showers. Scattered thunderstorms after 1200. Chc of lightning....40 percent. Max temperature.....53-63 F. Min humidity........22-32%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................30 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph. Mixing Height.......1500 ft AGL until 0900. 9000 ft AGL after 1000. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Partly cloudy (30-40%). Chc of lightning....0 percent. Min temperature.....28-38 F. Max humidity........62-77%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph. Mixing Height.......7000 ft AGL until 2000, then 500 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then southeast. Smoke dispersal.....Fair until 2100, then poor. .THURSDAY... Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly cloudy (60-70%). Isolated showers and thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....59-69 F. Min humidity........16-26%. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming west 10 to 15 mph with gusts to 35 mph in the afternoon. CWR.................10 percent. 15K Ft MSL Winds....West 20 to 25 mph increasing to southwest 20 to 30 mph in the afternoon. Mixing Height.......500 ft AGL until 0800. 10500 ft AGL after 1100. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 20 to 25 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 29-39. Highs 56-66. West winds 10 to 20 mph with gusts to 35 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 30-40. Highs 61-71. West winds 10 to 20 mph with gusts to 30 mph. .SUNDAY...Clear. Isolated showers and thunderstorms. Lows 32-42. Highs 68-78. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms. Lows 35-45. Highs 70-80. .TUESDAY...Partly cloudy. Numerous showers and scattered thunderstorms. Lows 37-47. Highs 62-72. $$ COZ207-210030- Southwest Colorado Lower Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly sunny (20-30%). Chc of lightning....0 percent. Max temperature.....66-76 F. Min humidity........11-16%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......1000 ft AGL until 0900, then 11000 ft AGL. Transport Winds.....Northwest 5 mph until 1200, then west 10 to 15 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Mostly clear (10-20%). Chc of lightning....0 percent. Min temperature.....35-45 F. Max humidity........44-54%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph. Mixing Height.......9500 ft AGL until 2000, then 500 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then east. Smoke dispersal.....Good until 2100, then poor. .THURSDAY... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Max temperature.....69-79 F. Min humidity........8-13%. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming west 10 to 15 mph with gusts to 30 mph in the afternoon. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......1000 ft AGL until 0900. 13000 ft AGL after 1000. Transport Winds.....South 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Mostly clear. Lows 37-47. Highs 70-80. West winds 10 to 20 mph with gusts to 35 mph. .SATURDAY...Mostly clear. Lows 38-48. Highs 74-84. Winds less than 15 mph. .SUNDAY...Clear. Isolated showers and thunderstorms. Lows 40-50. Highs 79-89. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Lows 43-53. Highs 80-90. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 44-54. Highs 72-82. $$ COZ294-210030- Southwest Colorado Upper West Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Max temperature.....52-62 F. Min humidity........14-24%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Mixing Height.......500 ft AGL until 0800. 10500 ft AGL after 0900. Transport Winds.....Southwest 5 to 10 mph. Smoke dispersal.....Poor until 0900. Very good after 1200. .TONIGHT... Sky/weather.........Clear (0-10%). Chc of lightning....0 percent. Min temperature.....29-39 F. Max humidity........45-55%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph. Mixing Height.......9000 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then east. Smoke dispersal.....Fair until 2100, then poor. .THURSDAY... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Max temperature.....55-65 F. Min humidity........11-21%. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming southwest 10 to 15 mph with gusts to 35 mph in the afternoon. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......500 ft AGL until 0800. 12000 ft AGL after 0900. Transport Winds.....South 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Mostly clear. Lows 31-41. Highs 58-68. Winds less than 15 mph. .SATURDAY...Mostly clear. Lows 33-43. Highs 62-72. Winds less than 15 mph. .SUNDAY...Clear. Isolated showers and thunderstorms. Lows 35-45. Highs 67-77. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms. Lows 38-48. Highs 69-79. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 40-50. Highs 60-70. $$ COZ295-210030- Southwest Colorado Upper East Forecast Area- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms until 1200. Isolated showers. Chc of lightning....10 percent. Max temperature.....60-70 F. Min humidity........13-23%. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 20 mph increasing to 30 mph in the afternoon. CWR.................10 percent. 15K Ft MSL Winds....Southwest 25 to 35 mph decreasing to 20 to 30 mph in the afternoon. Mixing Height.......500 ft AGL until 0800. 11000 ft AGL after 0900. Transport Winds.....South 5 to 10 mph until 1200, then southwest 20 to 25 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .TONIGHT... Sky/weather.........Mostly clear (20-30%). Chc of lightning....0 percent. Min temperature.....30-40 F. Max humidity........47-57%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 30 mph. Mixing Height.......9000 ft AGL until 2000, then 500 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then north. Smoke dispersal.....Good until 2100, then poor. .THURSDAY... Sky/weather.........Mostly sunny (10-20%) until 1200, then partly cloudy (30-40%). Chc of lightning....0 percent. Max temperature.....62-72 F. Min humidity........11-16%. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming southwest 10 to 15 mph with gusts to 30 mph in the afternoon. CWR.................0 percent. 15K Ft MSL Winds....Southwest 20 to 25 mph. Mixing Height.......500 ft AGL until 0800. 12500 ft AGL after 0900. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Smoke dispersal.....Poor until 0900. Excellent after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Mostly clear. Lows 32-42. Highs 62-72. West winds 10 to 20 mph with gusts to 30 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 33-43. Highs 64-74. Winds less than 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 33-43. Highs 68-78. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms. Lows 37-47. Highs 70-80. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 38-48. Highs 62-72. $$ UTZ485-210030- Eastern Ashley National Forest- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny (10-20%) until 1200, then partly cloudy (30-40%). Near 7000 feet, isolated showers after 1200. Near 10000 feet, isolated thunderstorms after 1200. Chc of lightning....0 percent. Max temperature.....48-58 F near 7000 feet 38-48 F near 10000 feet. 24 hr trend......9 degrees warmer. Min humidity........27-37%. 24 hr trend......5% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......1500 ft AGL until 0900, then 9000 ft AGL. Transport Winds.....West 5 mph. Clearing Index......800. .TONIGHT... Sky/weather.........Near 7000 feet, partly cloudy (40-50%) until 2400, then mostly cloudy (60-70%). Near 10000 feet, mostly cloudy (60-70%). Chc of lightning....0 percent. Min temperature.....31-41 F near 7000 feet 21-31 F near 10000 feet. 24 hr trend......9 degrees warmer. Max humidity........55-70% near 7000 feet 63-78% near 10000 feet. 24 hr trend......7% drier. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......7500 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....West 5 mph. Clearing Index......600 until 2000, then less than 500. .THURSDAY... Sky/weather.........Mostly cloudy (70-80%). Near 7000 feet, scattered showers and isolated thunderstorms until 1200, then showers and scattered thunderstorms. Near 10000 feet, scattered snow showers and isolated thunderstorms until 1200, then snow showers and scattered thunderstorms. Chc of lightning....50 percent. Max temperature.....47-57 F near 7000 feet 38-48 F near 10000 feet. 24 hr trend......1 degree warmer. Min humidity........38-48%. 24 hr trend......10% wetter. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 25 mph in the afternoon. CWR.................60 percent. Mixing Height.......3000 ft AGL until 1000, then 6500 ft AGL. Transport Winds.....West 5 to 10 mph. Clearing Index......Less than 500 until 1000. 1050 after 1100. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms near 7000 feet and scattered showers and thunderstorms near 10000 feet. Lows 30-40. Highs 51-61. Winds less than 15 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms . Lows 33-43. Highs 60-70. Winds less than 15 mph. .SUNDAY...Mostly clear. Scattered showers and isolated thunderstorms near 7000 feet and scattered showers and isolated thunderstorms near 10000 feet. Lows 38-48. Highs 67-77. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms . Lows 42-52. Highs 71-81. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms near 7000 feet and scattered showers and thunderstorms near 10000 feet . Lows 44-54. Highs 65-75. $$ UTZ486-210030- Eastern Uinta Basin- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny (20-30%). Chc of lightning....0 percent. Max temperature.....53-63 F near 5000 feet 40-50 F near 8000 feet. 24 hr trend......7 degrees warmer. Min humidity........21-31% near 5000 feet 28-38% near 8000 feet. 24 hr trend......7% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......1000 ft AGL until 0900. 9000 ft AGL after 1000. Transport Winds.....West 5 mph. Clearing Index......Less than 500 until 1000, then 800. .TONIGHT... Sky/weather.........Partly cloudy (30-40%) until 2400, then mostly cloudy (60-70%). Chc of lightning....0 percent. Min temperature.....34-44 F. 24 hr trend......7 degrees warmer. Max humidity........52-62%. 24 hr trend......1% wetter. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......7500 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....North 5 mph. Clearing Index......700 until 1900. Less than 500 after 2000. .THURSDAY... Sky/weather.........Mostly cloudy (60-70%). Isolated showers until 1200. Near 5000 feet, scattered showers and thunderstorms after 1200. Near 8000 feet, numerous showers and scattered thunderstorms after 1200. Chc of lightning....40 percent. Max temperature.....56-66 F near 5000 feet 43-53 F near 8000 feet. 24 hr trend......1 degree warmer. Min humidity........28-38% near 5000 feet 37-47% near 8000 feet. 24 hr trend......5% wetter. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................50 percent. Mixing Height.......1000 ft AGL until 0900. 7500 ft AGL after 1300. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Clearing Index......Less than 500 until 1100, then 1050. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Isolated showers and thunderstorms . Lows 33-43. Highs 56-66. Winds less than 15 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms near 8000 feet. Lows 37-47. Highs 65-75. Winds less than 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows 42-52. Highs 72-82. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms. Lows 45-55. Highs 76-86. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms . Lows 47-57. Highs 69-79. $$ UTZ487-210030- Book Cliffs- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Near 5000 feet, mostly sunny (10-20%). Near 8000 feet, mostly sunny (10-20%) until 1200, then partly cloudy (30-40%). Chc of lightning....0 percent. Max temperature.....56-66 F near 5000 feet 49-59 F near 8000 feet. 24 hr trend......7 degrees warmer. Min humidity........14-24%. 24 hr trend......9% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......1000 ft AGL until 0900. 8500 ft AGL after 1000. Transport Winds.....Northwest 5 mph. Clearing Index......700. .TONIGHT... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Min temperature.....37-47 F. 24 hr trend......6 degrees warmer. Max humidity........48-58%. 24 hr trend......13% drier. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......7500 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....Northeast 5 mph until 2400, then south. Clearing Index......550 until 2000, then less than 500. .THURSDAY... Sky/weather.........Mostly cloudy (70-80%) until 1200, then partly cloudy (40-50%). Scattered showers and isolated thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....60-70 F near 5000 feet 54-64 F near 8000 feet. 24 hr trend......4 degrees warmer. Min humidity........18-28%. 24 hr trend......5% wetter. 20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming west 10 to 15 mph with gusts to 30 mph in the afternoon. CWR.................10 percent. Mixing Height.......1500 ft AGL until 0900, then 9500 ft AGL. Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 to 20 mph. Clearing Index......Less than 500 until 0900. 1050 after 1000. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Partly cloudy. Isolated showers and thunderstorms . Lows 33-43. Highs 59-69. Winds less than 15 mph. .SATURDAY...Mostly clear. Lows 36-46. Highs 68-78. Winds less than 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 41-51. Highs 74-84. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Lows 45-55. Highs 78-88. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms . Lows 48-58. Highs 70-80. $$ UTZ490-210030- Colorado River Basin- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny (10-20%). Chc of lightning....0 percent. Max temperature.....65-75 F near 5000 feet 51-61 F near 7000 feet. 24 hr trend......5 degrees warmer. Min humidity........12-17%. 24 hr trend......6% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......1000 ft AGL until 0900, then 10000 ft AGL. Transport Winds.....North 5 mph until 1200, then west. Clearing Index......Less than 500 until 1200, then 950. .TONIGHT... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Min temperature.....38-48 F. 24 hr trend......5 degrees warmer. Max humidity........40-50%. 24 hr trend......13% drier. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......8500 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....West 5 mph until 2400, then east. Clearing Index......700 until 2000, then less than 500. .THURSDAY... Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly cloudy (40-50%). Near 7000 feet, isolated showers and thunderstorms after 1200. Chc of lightning....0 percent. Max temperature.....71-81 F near 5000 feet 59-69 F near 7000 feet. 24 hr trend......7 degrees warmer. Min humidity........12-17%. 24 hr trend......Unchanged. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......2000 ft AGL until 1000, then 12000 ft AGL. Transport Winds.....South 5 mph until 1200, then west 15 to 20 mph. Clearing Index......Less than 500 until 1000. 1050 after 1100. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows 39-49. Highs 67-77. Winds less than 15 mph. .SATURDAY...Mostly clear. Lows 43-53. Highs 75-85. Winds less than 15 mph. .SUNDAY...Clear. Isolated showers and thunderstorms near 7000 feet. Lows 47-57. Highs 81-91. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Lows 50-60. Highs 84-94. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms . Lows 52-62. Highs 76-86. $$ UTZ491-210030- Southeast Utah- 229 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny (10-20%). Chc of lightning....0 percent. Max temperature.....69-79 F near 5000 feet 50-60 F near 8000 feet. 24 hr trend......4 degrees warmer. Min humidity........10-15% near 5000 feet 17-27% near 8000 feet. 24 hr trend......8% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......1000 ft AGL until 0900. 11000 ft AGL after 1000. Transport Winds.....West 5 mph. Clearing Index......Less than 500 until 1100. 1050 after 1400. .TONIGHT... Sky/weather.........Mostly clear (20-30%). Chc of lightning....0 percent. Min temperature.....39-49 F near 5000 feet 32-42 F near 8000 feet. 24 hr trend......Unchanged. Max humidity........34-44%. 24 hr trend......10% drier. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......10000 ft AGL until 2000, then 1000 ft AGL. Transport Winds.....Northwest 5 to 10 mph until 2400, then east. Clearing Index......1050 until 2000, then less than 500. .THURSDAY... Sky/weather.........Partly cloudy (40-50%). Chc of lightning....0 percent. Max temperature.....74-84 F near 5000 feet 55-65 F near 8000 feet. 24 hr trend......4 degrees warmer. Min humidity........8-13% near 5000 feet 13-23% near 8000 feet. 24 hr trend......2% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......1500 ft AGL until 1000. 14000 ft AGL after 1200. Transport Winds.....South 5 mph until 1200, then west 15 to 20 mph. Clearing Index......Less than 500 until 1000. 1050 after 1200. .FORECAST FOR DAY 3 THROUGH 7... .FRIDAY...Mostly clear. Lows 42-52. Highs 72-82. Northwest winds 10 to 20 mph with gusts to 30 mph. .SATURDAY...Mostly clear. Lows 43-53. Highs 77-87. Winds less than 15 mph. .SUNDAY...Clear. Isolated showers and thunderstorms near 8000 feet. Lows 45-55. Highs 81-91. Winds less than 15 mph. .MEMORIAL DAY...Mostly clear. Isolated showers and thunderstorms near 8000 feet. Lows 48-58. Highs 83-93. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms near 5000 feet and scattered showers and thunderstorms near 8000 feet . Lows 49-59. Highs 75-85. $$