Severe Thunderstorm Warning Issued for Phillips and Valley Counties, MT
This alert is no longer in effect.
NOAA issued it on May 21, 2026, 3 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 MT has issued a Severe Thunderstorm Warning for Phillips County and northwestern Valley County in northeastern Montana until 6:45 PM MDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northeastern Montana
- Issued
- May 21, 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 3 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 5:42 PM MDT on May 13, 2026, until 6:45 PM MDT on May 13, 2026.
Affected Areas
The warning covers Phillips County and northwestern Valley County in northeastern Montana. Locations impacted include Malta, Whitewater, Zortman, Saco, Dodson, Fourchette, Loring, Port Of Morgan, Phillips, Chapman, Sleeping Buffalo, Wagner, Fred Robinson Bridge, Frenchman Reservoir, Thoeny, Landusky, Content, Sun Prairie, and Bowdoin.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 5:40 PM MDT, severe thunderstorms were located along a line extending from 15 miles north of Turner to 13 miles south of Loring to 14 miles south of Zortman, moving northeast at 60 mph. Hazards include 70 mph wind gusts and hail up to 0.75 inches. Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
Timeline
The alert is in effect from 5:42 PM MDT until 6:45 PM MDT on May 13, 2026.
Original source: NOAA Official Notice ↗
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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 (1,100 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 21, 2026.
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