Severe Thunderstorm Warning Issued for Phillips and Petroleum 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This alert is no longer in effect.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 has issued a Severe Thunderstorm Warning for Phillips County and northern Petroleum County in northeastern Montana until 5:45 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 has been issued by the National Weather Service in Glasgow MT. The alert is effective from May 13 at 4:41 PM MDT until May 13 at 5:45 PM MDT.
Affected Areas
The warning covers Phillips County in northeastern Montana and Northern Petroleum County in northeastern Montana. Locations impacted include Malta, Zortman, Dodson, Fourchette, Phillips, Chapman, Wagner, Landusky, Sun Prairie, and Fred Robinson Bridge.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 4:39 PM MDT, severe thunderstorms were located along a line extending from 10 miles east of Havre to 22 miles west of Hays to 7 miles north of Roy, moving northeast at 55 mph. Hazards include 70 mph wind gusts with considerable tree damage likely to mobile homes, roofs, and outbuildings. Hail up to 0.75 inches is possible.
Timeline
The alert is in effect from 4:41 PM MDT to 5:45 PM MDT on May 13, 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 (1,000 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 21, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.