FNUS53 KGRR 191840 FWFGRR Fire Weather Planning Forecast for Southwest Lower Michigan National Weather Service Grand Rapids MI 240 PM EDT Tue May 19 2026 ...Drier and Cooler... .DISCUSSION... A cold front will move through this evening with northwest winds and falling temperatures. Highs tomorrow are only expected to be in the mid 50s to 60s. Minimum relative humidity values in the mid 30s are expected across much of the area Wednesday afternoon. Thursday will be similar with some spots north of US-10 dropping into the low 30s for relative humidity values. Moisture returns Thursday night into Friday with another round of showers and thunderstorms during the day Friday into Saturday morning. Easterly winds Friday will be elevated with gusts 25 to 35 mph. MIZ037>039-043>045-192030- Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 240 PM EDT Tue May 19 2026 .TODAY... Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain showers until 12 PM. Slight chance of thunderstorms. Rain showers likely after 12 PM. Chance of pcpn......60 percent. Max temperature.....76-81. 24 hr trend......7 degrees cooler. Min humidity........54-59 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest winds 11 to 16 mph with gusts to around 29 mph. Mixing height.......1100-1600 ft AGL near Lake Michigan and 3100-3600 ft AGL Inland. Transport winds.....Southwest 20 to 25 mph. Smoke dispersal.....710-1130 (excellent). Pcpn Amount.........0.02-0.11 in. .TONIGHT... Sky/weather.........Partly cloudy (55-65 percent). Min temperature.....40-45. 24 hr trend......18 degrees cooler. Max humidity........81-86 percent. 24 hr trend......16 percent drier. 20-foot winds.......Northwest winds 7 to 12 mph. Gusts up to 22 mph in the evening. Mixing height.......700-1200 ft AGL near Lake Michigan and 2100-2600 ft AGL Inland. Transport winds.....Northwest 15 to 20 mph. Smoke dispersal.....380-570 (good). Pcpn Amount.........none to 0.02 in. .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....58-63. 24 hr trend......18 degrees cooler. Min humidity........41-46 percent near Lake Michigan and 33-38 percent Inland. 24 hr trend......20 percent drier near Lake Michigan and 21 percent drier Inland. 20-foot winds.......North winds 7 to 12 mph. Mixing height.......3000-3500 ft AGL near Lake Michigan and 4600-5100 ft AGL Inland. Transport winds.....North around 15 mph. Smoke dispersal.....620-680 (excellent). Pcpn Amount.........None. $$ MIZ040-046-192030- Clare-Isabella- Including the cities of Clare and Mount Pleasant 240 PM EDT Tue May 19 2026 .TODAY... Sky/weather.........Partly sunny (60-70 percent). Chance of showers until 10 AM. Slight chance of thunderstorms after 12 PM until 5 PM. Chance of showers after 12 PM. Chance of pcpn......40 percent. Max temperature.....Around 81. 24 hr trend......5 degrees cooler. Min humidity........55-60 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Southwest winds 11 to 16 mph. Gusts up to 30 mph in the afternoon. Mixing height.......4000-4500 ft AGL. Transport winds.....Southwest around 20 mph increasing to around 30 mph in the afternoon. Smoke dispersal.....800-1360 (excellent). Pcpn Amount.........none to 0.05 in. .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent) until 9 PM, then partly cloudy (55-65 percent). Min temperature.....39-44. 24 hr trend......18 degrees cooler. Max humidity........78-83 percent. 24 hr trend......16 percent drier. 20-foot winds.......Northwest winds 7 to 12 mph. Gusts up to 24 mph in the evening. Mixing height.......2200-2700 ft AGL. Transport winds.....Northwest 15 to 20 mph. Smoke dispersal.....380-710 (good to excellent). Pcpn Amount.........none to 0.02 in. .WEDNESDAY... Sky/weather.........Mostly sunny (35-45 percent). Max temperature.....57-62. 24 hr trend......20 degrees cooler. Min humidity........38 percent. 24 hr trend......21 percent drier. 20-foot winds.......North winds 6 to 11 mph. Mixing height.......4500-5000 ft AGL. Transport winds.....North around 15 mph. Smoke dispersal.....570-720 (good to excellent). Pcpn Amount.........None. $$ MIZ050-056-064-071-192030- Muskegon-Ottawa-Allegan-Van Buren- Including the cities of Muskegon, Grand Haven, Jenison, Holland, and South Haven 240 PM EDT Tue May 19 2026 .TODAY... Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain showers and a slight chance of thunderstorms until 8 AM. Chance of rain showers and a slight chance of thunderstorms after 9 AM. Chance of pcpn......30 percent. Max temperature.....79-84. 24 hr trend......3 degrees cooler. Min humidity........56-61 percent. 24 hr trend......7 percent drier. 20-foot winds.......Southwest winds 13 to 18 mph with gusts to around 29 mph. Mixing height.......1700-2200 ft AGL near Lake Michigan and 4100-4600 ft AGL Inland. Transport winds.....Southwest 20 to 25 mph. Smoke dispersal.....770-1220 (excellent). Pcpn Amount.........none to 0.10 in. .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent) until 9 PM, then partly cloudy (50-60 percent). Slight chance of thunderstorms until 8 PM. Chance of rain showers until 9 PM. Chance of pcpn......30 percent in the evening. Min temperature.....45-50. 24 hr trend......16 degrees cooler. Max humidity........82-87 percent. 24 hr trend......Unchanged. 20-foot winds.......Northwest winds 7 to 12 mph. Gusts up to 21 mph in the evening. Mixing height.......900-1400 ft AGL near Lake Michigan and 2000-2500 ft AGL Inland. Transport winds.....Northwest around 15 mph. Smoke dispersal.....290-480 (fair to good). Pcpn Amount.........none to 0.05 in. .WEDNESDAY... Sky/weather.........Partly sunny (50-60 percent). Max temperature.....61-66. 24 hr trend......19 degrees cooler. Min humidity........37-42 percent. 24 hr trend......19 percent drier. 20-foot winds.......North winds 7 to 12 mph. Mixing height.......3500-4000 ft AGL near Lake Michigan and 4500-5000 ft AGL Inland. Transport winds.....North around 15 mph. Smoke dispersal.....590-620 (good to excellent). Pcpn Amount.........None. $$ MIZ051-052-057>059-192030- Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 240 PM EDT Tue May 19 2026 .TODAY... Sky/weather.........Partly sunny (60-70 percent). Slight chance of thunderstorms until 8 AM. Chance of showers until 11 AM. Chance of showers and thunderstorms after 12 PM. Chance of pcpn......50 percent. Max temperature.....80-85. 24 hr trend......4 degrees cooler. Min humidity........54-59 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Southwest winds 14 to 19 mph. Gusts up to 24 mph increasing to 34 mph in the afternoon. Mixing height.......4600-5100 ft AGL. Transport winds.....Southwest around 20 mph increasing to around 30 mph in the afternoon. Smoke dispersal.....820 (excellent) increasing to 1530 (excellent) in the afternoon. Pcpn Amount.........0.04-0.11 in. .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent) until 9 PM, then partly cloudy (50-60 percent). Slight chance of thunderstorms until 8 PM. Chance of rain showers until 9 PM. Chance of pcpn......30 percent early in the evening. Min temperature.....45-50. 24 hr trend......16 degrees cooler. Max humidity........78-83 percent. 24 hr trend......Unchanged. 20-foot winds.......Northwest winds 9 to 14 mph. Gusts up to 26 mph in the evening. Mixing height.......3400-3900 ft AGL. Transport winds.....Northwest 15 to 20 mph. Smoke dispersal.....990 (excellent) decreasing to 350 (good) after midnight. Pcpn Amount.........none to 0.05 in. .WEDNESDAY... Sky/weather.........Mostly sunny (45-55 percent). Max temperature.....61-66. 24 hr trend......21 degrees cooler. Min humidity........36-41 percent. 24 hr trend......21 percent drier. 20-foot winds.......North winds 7 to 12 mph. Mixing height.......4700-5200 ft AGL. Transport winds.....North 10 to 15 mph. Smoke dispersal.....520-670 (good to excellent). Pcpn Amount.........None. $$ MIZ065>067-072>074-192030- Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson- Including the cities of Hastings, Charlotte, Lansing, Kalamazoo, Battle Creek, and Jackson 240 PM EDT Tue May 19 2026 .TODAY... Sky/weather.........Partly sunny (55-65 percent). Chance of showers until 12 PM, then showers likely and a chance of thunderstorms. Chance of pcpn......60 percent. Max temperature.....82-87. 24 hr trend......2 degrees cooler. Min humidity........51-56 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Southwest winds 13 to 18 mph with gusts to around 30 mph. Mixing height.......4600-5100 ft AGL. Transport winds.....Southwest 20 to 25 mph. Smoke dispersal.....860-1380 (excellent). Pcpn Amount.........0.04-0.19 in. .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent) until 9 PM, then partly cloudy (55-65 percent). Rain showers likely until 7 PM. Chance of thunderstorms until 11 PM. Chance of rain showers after 7 PM until 10 PM. Chance of pcpn......60 percent until early morning. Min temperature.....47-52. 24 hr trend......15 degrees cooler. Max humidity........82-87 percent. 24 hr trend......Unchanged. 20-foot winds.......Northwest winds 7 to 12 mph. Gusts up to 22 mph in the evening. Mixing height.......3600-4100 ft AGL. Transport winds.....Northwest 15 to 20 mph. Smoke dispersal.....960 (excellent) decreasing to 350 (good) after midnight. Pcpn Amount.........none to 0.09 in. .WEDNESDAY... Sky/weather.........Partly sunny (60-70 percent). Max temperature.....Around 64. 24 hr trend......20 degrees cooler. Min humidity........39-44 percent. 24 hr trend......12 percent drier. 20-foot winds.......North winds 6 to 11 mph. Mixing height.......4400-4900 ft AGL. Transport winds.....North 10 to 15 mph. Smoke dispersal.....480-600 (good to excellent). Pcpn Amount.........None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the mid 60s. East winds 6 to 11 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy with a chance of showers. Highs in the mid 60s. East winds 8 to 13 mph. .FRIDAY NIGHT...Mostly cloudy with showers likely. Lows around 50. East winds 9 to 14 mph. .SATURDAY...Mostly cloudy. Chance of showers in the morning. Highs in the upper 60s. East winds 7 to 12 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly cloudy. Highs in the lower 70s. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. .MEMORIAL DAY...Mostly sunny. Highs in the upper 70s. $$