Severe Thunderstorm Warning — Chouteau County, Montana
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 27 at 7:42PM MDT until August 27 at 9:15PM MDT by NWS Great Falls MT
SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Northern Fergus County in central Montana... Blaine County in north central Montana... Southeastern Hill County in north central Montana... Northeastern Chouteau County in north central Montana... * Until 915 PM MDT. * At 742 PM MDT, severe thunderstorms were located along a line extending from St. Pierre to 21 miles south of Parker School to 14 miles west of Winifred, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Harlem, Winifred, Azure, Parker School, Agency, St. Pierre, Hays, Sangrey, Fort Belknap, Boneau, Box Elder, Rocky Boy, Fred Robinson Bridge, Lodge Pole, Cleveland, Zurich, Suffolk, Lloyd, Judith Landing, and Iliad.
Effective August 27, 2026 at 9:42 PM ET · Expires August 27, 2026 at 11:15 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Great Falls MT
Expires
August 27, 2026 at 11:15 PM ET
Last Checked
41 minutes ago
What To Do
📋 Official NWS Guidance
For your protection move to an interior room on the lowest floor of a building.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Montana
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Severe Thunderstorm Warning Alerts for Chouteau County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Chouteau County, Montana?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (41 minutes ago). It's set to expire August 27, 2026 at 11:15 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Chouteau County?
Download StormCast free on Google Play and set Chouteau County, Montana as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Hill County.