Winter Weather Advisory
Status
New Event ExpiredStart Time
Sat 06/21/2025 08:00 PM EDTEnd Time
Sun 06/22/2025 02:00 PM EDTSignificance
AdvisoryImpacts
Moderate impact
Locations Affected
Beaverhead National Forest, MT ∙ Big Sky, MT ∙ Boulder, MT ∙ West Yellowstone, MT ∙ Deerlodge National Forest, MT ∙ Monarch, MT ∙ Sphinx Mountain, MT ∙ Red Mountain, MT ∙ Grayling, MT ∙ Clancy, MTFull Alert Message
URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 314 AM MDT Fri Jun 20 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SATURDAY TO NOON MDT SUNDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 6 inches * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From 6 PM Saturday to noon MDT Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The heavy wet snow could bring down some trees and power lines. Snow levels could be as low as 5000 feet at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period.
Technical Header
MTZ307-317-320-322-327-329-330-210000- /O.NEW.KTFX.WW.Y.0041.250622T0000Z-250622T1800Z/ Southern Rocky Mountain Front-Little Belt and Highwood Mountains- Big Belt, Bridger and Castle Mountains-Elkhorn and Boulder Mountains-Northwest Beaverhead County-Ruby Mountains and Southern Beaverhead Mountains-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Wisdom, Rogers Pass, Boulder, Chief Joseph Pass, Big Sky, Monida Pass, Trident, Corbin, Battle Ridge Pass, Raynolds Pass, Elk Park Pass, Montana City, Big Hole Pass, Wickes, Dewey, Neihart, Bozeman Pass, Clancy, Maudlow, Kings Hill Pass, Monarch, West Yellowstone, Deep Creek Pass, Targhee Pass, Homestake Pass, and Wise River 314 AM MDT Fri Jun 20 2025