Winter Storm Warning issued October 10 at 4:13PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT
Official severe-weather alerts, warning areas, and disaster updates.
expired · active · official-source
* WHAT...Heavy, wet snow expected. Total snow accumulations between 10 and 20 inches, with the exception of the Lincoln valley where up to 7 inches is expected. Isolated amounts approaching 30 inches within the Bob Marshall Wilderness. Winds gusting as high as 45 mph. * WHERE...Portions of central and north central Montana. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
- Event time
- Source last updated
- Current version retrieved
- Provider
- NWS — active weather alerts (Storm)
- Location
- MT, US
- Severity
- Severe
- area
- East Glacier Park Region; Northern High Plains; Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass; Gates of the Mountains
- event
- Winter Storm Warning
- onset
- 2026-10-10T16:13:00-06:00
- states
- ["MT"]
- urgency
- Expected
- certainty
- Likely
- effective
- 2026-10-10T16:13:00-06:00
- message id
- urn:oid:2.49.0.1.840.0.e3247f4b382a0c83c88dbd6ac1ed768dc1c2f4fa.004.1
- references
- ["urn:oid:2.49.0.1.840.0.5c27555301c61c960e80ee52001e9dfdf3528c34.001.1","urn:oid:2.49.0.1.840.0.788ba8280995d2bd49591e4662266b21df9055f3.001.2","urn:oid:2.49.0.1.840.0.788ba8280995d2bd49591e4662266b21df9055f3.002.1"]
- instruction
- If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
- message type
- Update
- freshness minutes
- 60
Source use policy · US government work (17 U.S.C. 105)
Update history (2 recent revisions)
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