Alert archive / Montana / Winter Storm Warnings in 2026
Winter Storm Warning 6, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at Apr 21, 2026, 11:56 PM MDT for 10 counties in Montana. It took effect at Apr 22, 2026, 6:00 PM MDT. It was in force for 63 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 21, 2026, 11:56 PM MDT (05:56 UTC)
- In effect from
- Apr 22, 2026, 6:00 PM MDT
- Expired
- Apr 25, 2026, 9:21 AM MDT
- In force
- 63 hr
- Issued by
- NWS Great Falls, MT
Counties Beaverhead County, MT, Blaine County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Gallatin County, MT, Hill County, MT, Judith Basin County, MT, Madison County, MT, Meagher County, MT
The radar
The Great Falls radar (KTFX), 79 km from the middle of the area, began a volume at 05:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before this winter storm warning went out at Apr 21, 10:36 PM MDT, 1 hour 20 minutes earlier.
Area forecast discussion, Apr 21, 10:36 PM MDT, 1 hour 20 minutes before
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 1:25 PM MDT | Special Weather Statement | TFX | Beaverhead, Madison | 50 min |
| Apr 22, 2:10 PM MDT | High Wind Warning | TFX | Blaine, Chouteau, Fergus, Hill, Liberty, Toole | 28 hr |
Nearby
Winter Storm Warnings in Montana, 2026Every winter storm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.