Severe Thunderstorm Warning for Cascade and Lewis and Clark Counties, MT
If you are in immediate danger, call emergency services now.
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NWS Great Falls has issued a Severe Thunderstorm Warning for central Lewis and Clark County and west central Cascade County in Montana until 8:00 PM MDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Cascade and Lewis and Clark Counties, MT
- Issued
- September 7, 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 (SVR) has been issued by the National Weather Service in Great Falls MT. The alert is effective from September 6 at 7:13 PM MDT until September 6 at 8:00 PM MDT.
Affected Areas
The warning covers central Lewis and Clark County in west central Montana and west central Cascade County in central Montana. Locations impacted include Wolf Creek, Bowmans Corner, Marysville, Tower Rock State Park, Canyon Creek, and Craig.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 7:13 PM MDT, a severe thunderstorm was located 16 miles southwest of Wolf Creek, or 21 miles northwest of Helena, moving north at 45 mph. Hazards include half dollar size hail (1.25 inches) and wind gusts up to 50 mph. Damage to vehicles is expected.
Timeline
The alert is in effect until 8:00 PM MDT on September 6, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (925 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 7, 2026.
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