One product issued by NWS for: Big Sky MT
Winter Storm Watch
URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 220 PM MDT Tue Apr 21 2026 MTZ317-320-330-221215- /O.CON.KTFX.WS.A.0006.260423T0000Z-260424T0000Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Bozeman Pass, Big Sky, Monarch, Battle Ridge Pass, Maudlow, Kings Hill Pass, Targhee Pass, Deep Creek Pass, Neihart, Raynolds Pass, West Yellowstone, and Trident 220 PM MDT Tue Apr 21 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... * WHAT...Heavy, wet snow possible. Total snow accumulations between 5 and 11 inches, with higher amounts over the mountain peaks. Winds could gust as high as 50 mph, highest for northern areas. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From Wednesday evening through Thursday afternoon. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility below a quarter mile at times. Tire chains may be required for some vehicles if traveling through mountain passes. Those with outdoor plans should be prepared for dangerous outdoor conditions. * ADDITIONAL DETAILS...The heavy, wet snow may cause instances of power outages and or tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remember, a Winter Storm Watch means that there is at least a 50% chance of impactful winter weather conditions during the watch period. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$