High Wind Warning Issued for Rocky Mountain Front and Northern Montana

Source: NOAA · Rocky Mountain Front and Northern 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This alert is no longer in effect.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.

NWS Great Falls has issued a High Wind Warning for parts of northern Montana including the Rocky Mountain Front, effective from 6 PM Wednesday to midnight MDT Thursday night.

Read this weather record in 30 seconds

Record type
High Wind Warning
Affected area
Rocky Mountain Front and Northern 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 Rocky Mountain Front and Northern Montana.

Alert Details

A High Wind Warning has been issued by the National Weather Service Great Falls MT. The alert is effective from May 12 at 11:48 PM MDT, with onset at 6 PM MDT Wednesday and ending at midnight MDT Thursday night.

Affected Areas

The warning covers East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern Rocky Mountain Front; Southern High Plains; and Upper Blackfoot and MacDonald Pass. Specific areas include the Rocky Mountain Front and adjacent foothills and plains, Eastern Glacier, Western Toole, and Central Pondera Counties, and Upper Blackfoot and MacDonald Pass.

What You Should Do

People are urged to secure loose objects that could be blown around or damaged by the wind.

Expected Conditions

Westerly winds of 40 to 50 mph are expected with gusts up to 90 mph possible along the Rocky Mountain Front, and gusts up to 75 mph elsewhere.

Timeline

The High Wind Warning is in effect from 6 PM Wednesday to midnight MDT Thursday night, with the alert expiring May 13 at 5:15 PM MDT and ending May 15 at 12:00 AM MDT.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Great Falls has issued a High Wind Warning for parts of northern Montana including the Rocky Mountain Front, effective from 6 PM Wednesday to midnight MDT Thursday night.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Rocky Mountain Front and Northern Montana. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.