High Wind Warning Issued for Southwestern Montana
This alert is no longer in effect.
NOAA issued it on May 20, 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.
A High Wind Warning is in effect from noon to 9 PM MDT Wednesday for southwestern Montana along and south of Interstate 90 and the Canyon Ferry Area, with south to southwesterly winds of 30-40 mph and gusts up to 60 mph possible.
Read this weather record in 30 seconds
- Record type
- High Wind Warning
- Affected area
- Southwestern Montana
- Issued
- May 20, 2026
- Issuing authority
- NWS Great Falls MT
Wind notices are issued against local thresholds and a defined time window. Confirm both in the original notice before making a current-condition decision.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Southwestern Montana.
Alert Details
A High Wind Warning has been issued by the National Weather Service Great Falls MT. The alert is effective from 12:00 PM MDT Wednesday, May 13, 2026, through 9:00 PM MDT Wednesday.
Affected Areas
The warning covers Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Gallatin Valley; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains. This includes southwestern Montana along and south of Interstate 90, and the Canyon Ferry Area.
What You Should Do
People are urged to secure loose objects that could be blown around or damaged by the wind.
Expected Conditions
South to southwesterly winds of 30 to 40 mph with gusts up to 60 mph are possible. Widely scattered showers and thunderstorms capable of producing localized wind gusts between 60 and 80 mph are also expected Wednesday afternoon and evening.
Timeline
The High Wind Warning is in effect from noon to 9 PM MDT on Wednesday, May 13, 2026. High winds may move loose debris, damage property, cause power outages, and make travel difficult, especially for high-profile vehicles.
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 (1,213 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 20, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.