Severe Thunderstorm Warning for Blaine and Hill Counties, MT
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NWS Great Falls has issued a Severe Thunderstorm Warning for northwestern Blaine County and northeastern Hill County in north central Montana until 7:00 PM MDT.
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- Record type
- Severe Thunderstorm Warning
- Affected area
- North Central Montana
- Issued
- August 29, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Severe Thunderstorm Warning was issued by the National Weather Service in Great Falls MT on August 29 at 5:42 PM MDT. The alert is effective immediately and expires at 7:00 PM MDT.
Affected Areas
The warning covers Northwestern Blaine County and Northeastern Hill County in north central Montana. Locations impacted include Havre, Chinook, Beaver Creek, Lohman, Zurich, and Hogeland.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 5:42 PM MDT, severe thunderstorms were located along a line extending from near Havre to near Chinook, moving northeast at 30 mph. Hazards include 60 mph wind gusts, with a 59 mph wind gust reported in Havre. Radar indicated hail up to 0.75 inches. Expect damage to roofs, siding, and trees.
Timeline
The warning is in effect from August 29 at 5:42 PM MDT until August 29 at 7:00 PM MDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (928 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 29, 2026.
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