Winter Storm Warning Issued for Gallatin and Madison County Mountains
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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A Winter Storm Warning is in effect for the Gallatin, Madison, and Centennial Mountains, with up to 16 inches of heavy snow and 35 mph wind gusts expected through Thursday afternoon.
Read this weather record in 30 seconds
- Record type
- Winter Storm Warning
- Affected area
- Southwest Montana
- Issued
- April 6, 2026
- Issuing authority
- NWS Great Falls MT
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southwest Montana.
Alert Details
The National Weather Service in Great Falls, MT, has issued a Winter Storm Warning for the Gallatin and Madison County Mountains and the Centennial Mountains. The alert was issued early Thursday morning and remains in effect until 3:00 PM MST.
Affected Areas
The warning covers the Gallatin and Madison County Mountains as well as the Centennial Mountains.
Expected Conditions
Heavy, wet snow is expected throughout the region, with significant accumulations varying by elevation:
- Below 7,000 feet: Total snow accumulations between 4 and 9 inches.
- Above 7,000 feet: Total snow accumulations between 9 and 16 inches.
- Wind: Gusts are expected to reach as high as 35 mph.
Additional hazards include the potential for isolated power outages due to the heavy, wet nature of the snow.
What You Should Do
Travel could be very difficult, and tire chains may be required for some vehicles. Residents and travelers are advised to take the following actions:
- If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.
- Check the latest road conditions by calling 5-1-1 or visiting the MDT Road Report website.
- Backcountry users should ensure they are prepared for dangerous conditions.
- For those with young livestock, visit the NWS webpage and select "Local Programs" then "Cold Air Advisory for Newborn Livestock" to see graphical representations of livestock stress.
Timeline
The Winter Storm Warning is effective immediately and is scheduled to end at 3:00 PM MST on Thursday, March 5, 2026.
Original source: NOAA Official Notice ↗
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