Red Flag Warning Issued for Eastern Montana Fire Weather Zones

Source: NOAA · Eastern 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This alert is no longer in effect.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 Glasgow has issued a Red Flag Warning for multiple fire weather zones in eastern Montana due to low humidity, strong winds, and potential thunderstorms.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Eastern Montana
Issued
May 20, 2026
Issuing authority
NWS Glasgow MT

Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.

Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Eastern Montana.

Alert Details

A Red Flag Warning has been issued by the National Weather Service in Glasgow, MT. The alert is in effect from 10 AM to 9 PM MDT Wednesday for fire weather zones 120, 122, 134, 135, 136, and 137.

Affected Areas

The warning covers Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties; Dawson/McCone/Prairie/Richland/Wibaux Counties; Northern Valley and Northern Phillips Counties; The Little Rockies; The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge; and Southern Petroleum and Southern Garfield Counties.

What You Should Do

Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. Outdoor burning is not recommended.

Expected Conditions

Southeast winds of 15 to 30 mph with gusts to 40 mph are expected. Humidity levels may drop as low as 12 percent. There is moderate confidence of isolated to scattered late-day thunderstorms.

Timeline

The Red Flag Warning is effective from 10 AM MDT Wednesday through 9 PM MDT Wednesday. Any fires that develop will likely spread rapidly.

Original source: NOAA Official Notice ↗

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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 Glasgow has issued a Red Flag Warning for multiple fire weather zones in eastern Montana due to low humidity, strong winds, and potential thunderstorms.
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 Eastern 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.