489 WWUS45 KBYZ 201855 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 1255 PM MDT Wed May 20 2026 MTZ067-211900- /O.NEW.KBYZ.WS.W.0009.260521T0000Z-260522T0000Z/ Absaroka/Beartooth Mountains- Including the locations of Cooke City 1255 PM MDT Wed May 20 2026 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT THURSDAY... * WHAT...Heavy snow expected...mainly on north facing slopes above 7000 ft. Total snow accumulations 8-13 inches. Winds gusting as high as 30 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 6 PM this evening to 6 PM MDT Thursday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions, call 5 1 1. && $$ MTZ171-WYZ198-211900- /O.NEW.KBYZ.WW.Y.0019.260521T0900Z-260522T0300Z/ Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains- Including the locations of Burgess Jct and Story 1255 PM MDT Wed May 20 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 9 PM MDT THURSDAY... * WHAT...Snow expected. Total snow accumulations 5 to 10 inches. Winds gusting as high as 30 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 3 AM to 9 PM MDT Thursday. * IMPACTS...Travel could be difficult. The hazardous conditions will impact the Thursday morning and evening commutes. Roads, including US-14, will likely become slippery and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest road conditions, call 5 1 1. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Tesar