270 WWUS74 KAMA 181018 NPWAMA URGENT - WEATHER MESSAGE National Weather Service Amarillo TX 518 AM CDT Mon May 18 2026 OKZ001>003-TXZ001>020-317-182000- /O.CON.KAMA.WI.Y.0013.260518T1700Z-260519T0100Z/ Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb- Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson- Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth- Palo Duro Canyon- Including the cities of Boys Ranch, Stratford, Dumas, Dawn, Skellytown, Vega, Amarillo, Washburn, Lela, Clarendon, Bootleg, Dozier, Palo Duro Canyon State Park, Twitty, Forgan, Claude, Perryton, Boise City, Lutie, Wheeler, Lake Marvin, Beaver, Waka, Romero, Keyes, Channing, Hereford, Masterson, Spearman, Panhandle, Follett, Borger, Kingsmill, Wildorado, Pantex, Pampa, Briscoe, Conlen, Hartley, Umbarger, Goodnight, Wellington, Higgins, Guymon, Booker, Four Way, Bushland, White Deer, Wayside, Buffalo Lake, Samnorwood, Shamrock, Canadian, Farnsworth, Glazier, Canyon, Wolf Creek Park, Codman, Miami, Dalhart, Gruver, Lora, and Ware 518 AM CDT Mon May 18 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING... * WHAT...Southwest winds 30 to 35 mph with gusts up to 50 mph expected. * WHERE...The Texas and Oklahoma Panhandles. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ LFM  854 WWUS75 KSLC 181037 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 437 AM MDT Mon May 18 2026 UTZ107-182100- /O.EXA.KSLC.FZ.W.0020.260519T0600Z-260519T1500Z/ Cache Valley/Utah Portion- Including the following locations - Smithfield and Logan 437 AM MDT Mon May 18 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures as low as the mid to upper 20s expected. * WHERE...Cache Valley/Utah Portion. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Drain in-ground sprinkler systems and cover above ground pipes. && $$ UTZ108-115-116-118-119-122-182100- /O.CON.KSLC.FZ.W.0019.000000T0000Z-260518T1500Z/ /O.CON.KSLC.FZ.W.0020.260519T0600Z-260519T1500Z/ Wasatch Back-Western Millard and Juab Counties-Eastern Juab/Millard Counties-Sanpete Valley-Sevier Valley-Southwest Utah- Including the following locations - Ephraim, Little Sahara, Heber City, Delta, Mt Pleasant, Scipio, Cedar City, Huntsville, Fillmore, Park City, Salina, Nephi, Milford, Manti, Richfield, and Beaver 437 AM MDT Mon May 18 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures as low as the mid to upper 20s expected. * WHERE...Eastern Juab/Millard Counties, Sanpete Valley, Sevier Valley, Western Millard and Juab Counties, Wasatch Back, and Southwest Utah. * WHEN...For the first Freeze Warning, until 9 AM MDT today. For the second Freeze Warning, from midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Drain in-ground sprinkler systems and cover above ground pipes. && $$ UTZ114-182100- /O.CON.KSLC.FZ.W.0020.260519T0600Z-260519T1500Z/ Western Uinta Basin- Including the following locations - Roosevelt and Duchesne 437 AM MDT Mon May 18 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures as low as the mid to upper 20s expected. * WHERE...Western Uinta Basin. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Drain in-ground sprinkler systems and cover above ground pipes. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov BW  407 WWUS75 KPIH 181053 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 453 AM MDT Mon May 18 2026 IDZ051-052-181500- /O.CON.KPIH.FZ.W.0015.000000T0000Z-260518T1500Z/ Shoshone/Lava Beds-Arco/Mud Lake Desert- Including the cities of Richfield, INL, Mud Lake, Carey, Craters of the Moon NM, and Shoshone 453 AM MDT Mon May 18 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Sub-freezing temperatures 28 to 32 expected. * WHERE...Shoshone/Lava Beds and Arco/Mud Lake Desert. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IDZ054-190300- /O.CON.KPIH.FR.Y.0005.000000T0000Z-260518T1500Z/ /O.CON.KPIH.LW.Y.0006.260518T1200Z-260519T0300Z/ Lower Snake River Plain- Including the cities of Fort Hall, American Falls, Shelley, Pocatello, and Blackfoot 453 AM MDT Mon May 18 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR AMERICAN FALLS RESERVOIR... * WHAT...For the Frost Advisory, temperatures 32 to 36 will result in frost formation. Areas along the interstates from Burley to Pocatello to Idaho Falls may remain warmer than 36. For the Lake Wind Advisory for American Falls Reservoir, north winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Lower Snake River Plain. * WHEN...For the Frost Advisory, until 9 AM MDT this morning. For the Lake Wind Advisory, until 9 PM MDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. Take steps now to protect tender plants from the cold. && $$ IDZ053-055-181500- /O.CON.KPIH.FR.Y.0005.000000T0000Z-260518T1500Z/ Upper Snake River Plain-Eastern Magic Valley- Including the cities of Oakley, Rupert, Burley, Heyburn, Rexburg, St. Anthony, and Idaho Falls 453 AM MDT Mon May 18 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Temperatures 32 to 36 will result in frost formation. Areas along the interstates from Burley to Pocatello to Idaho Falls may remain warmer than 36 tonight. * WHERE...Eastern Magic Valley and Upper Snake River Plain. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Visit weather.gov/pocatello for more information. JKeyes