Severe Thunderstorm Warning for Park and Sweet Grass 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This alert is no longer in effect.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 Billings has issued a Severe Thunderstorm Warning for central Park County and western Sweet Grass County in south central Montana until 6:30 PM MDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- South Central Montana
- Issued
- May 21, 2026
- Issuing authority
- NWS Billings 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 South Central Montana.
Alert Details
Severe Thunderstorm Warning issued by NWS Billings MT. Effective from 5:52 PM MDT on May 13, 2026, until 6:30 PM MDT.
Affected Areas
Central Park County and western Sweet Grass County in south central Montana. Locations impacted include Livingston, Big Timber, Springdale, Mc Leod, Pine Creek, and Greycliff.
What You Should Do
Seek shelter inside a well-built structure and stay away from windows. Do not wait for the sound of thunder before taking cover. Wind damage will occur before any rain or lightning.
Expected Conditions
Severe thunderstorms with 60 mph wind gusts. Expect damage to roofs, siding, and trees.
Timeline
Alert in effect from 5:52 PM MDT until 6:30 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 (732 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.