High Wind Warning Issued for Helena Valley
This alert is no longer in effect.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 for Helena Valley from midnight tonight through 6 PM MDT Thursday.
Read this weather record in 30 seconds
- Record type
- High Wind Warning
- Affected area
- Helena Valley, 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 Helena Valley, Montana.
Alert Details
A High Wind Warning has been issued by the National Weather Service Great Falls MT. The alert is effective from May 13 at 12:38 PM MDT and remains in effect until May 14 at 6:00 PM MDT.
Affected Areas
The warning covers Helena Valley in Montana.
What You Should Do
People are urged to secure loose objects that could be blown around or damaged by the wind.
Expected Conditions
West winds of 25 to 35 mph with gusts up to 60 mph are expected. Areas of blowing dust may create locally reduced visibility Thursday afternoon. High winds may move loose debris, damage property, cause power outages, and make travel difficult, especially for high-profile vehicles.
Timeline
The warning begins at midnight tonight (May 14 at 12:00 AM MDT) and continues through 6:00 PM MDT on Thursday, May 14.
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 (819 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.