Winter Storm Warning

Locations Affected

Grayling, MT ∙ Hilgard Peak, MT ∙ West Yellowstone, MT ∙ Red Rock Lakes National Wildlife Refuge, MT ∙ Sage Peak, MT ∙ Koch Peak, MT ∙ West Yellowstone, MT ∙ Lakeview, MT ∙ Hebgen Lake, MT ∙ Hyalite Peak, MT

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 142 PM MDT Sat Apr 26 2025 ...WINTER STORM WARNING IN EFFECT FROM 6 PM SUNDAY TO NOON MDT MONDAY... * WHAT...Heavy snow expected. Total snow accumulations up to 10 inches at and below pass level, with up to two feet above pass level. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM Sunday to noon MDT Monday. * IMPACTS...The weight of snow on tree limbs may down power lines and could cause sporadic power outages. Tire chains may be required for some vehicles if traveling through mountain passes. * ADDITIONAL DETAILS...Snow levels will vary quite significantly across the area, resulting in significant north to south discrepancies in amounts across similar elevations. Areas most favored for the heaviest snow are across the Tobacco Roots and northern Madison and Gallatin ranges. The snow is forecast to be a heavy and wet variety, which will be difficult to shovel. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Storm Warning means that there is at least an 80% chance of impactful winter weather conditions during the warning period.

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