Severe Thunderstorm Warning for Garfield and Petroleum Counties, MT
This alert is no longer in effect.
NOAA issued it on June 14, 2026, 2 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Glasgow has issued a Severe Thunderstorm Warning for east central Petroleum County and west central Garfield County in northeastern Montana until 7:15 PM MDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northeastern Montana
- Issued
- June 14, 2026
- Issuing authority
- NWS Glasgow 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: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Northeastern Montana.
Alert Details
A Severe Thunderstorm Warning was issued by NWS Glasgow MT on behalf of NOAA. The alert is effective from May 29, 2026 at 6:13 PM MDT until May 29, 2026 at 7:15 PM MDT.
Affected Areas
The warning covers east central Petroleum County and west central Garfield County in northeastern Montana. Locations impacted include Mosby and Cat Creek.
What You Should Do
For protection, move to an interior room on the lowest floor of a building. Do not drive your vehicle through flooded roadways.
Expected Conditions
At 6:12 PM MDT, a severe thunderstorm was located 11 miles east of Winnett, moving north at 10 mph. Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). Torrential rainfall is occurring and may lead to flash flooding.
Timeline
The warning is in effect until 7:15 PM MDT on May 29, 2026.
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 (841 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 14, 2026.
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