Red Flag Warning for Owyhee Mountains and Southern Highlands

Source: NOAA · Southwest Idaho

This alert is no longer in effect.

NOAA issued it on July 26, 2026, 4 weeks 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 Boise issues Red Flag Warning for lightning until 6 PM MDT June 20 affecting Fire Weather Zones 423 and 426 in Idaho.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Southwest Idaho
Issued
July 26, 2026
Issuing authority
NWS Boise ID

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 4 weeks ago; use the issuing agency's live warning service for current conditions in Southwest Idaho.

Alert Details

Red Flag Warning issued by NWS Boise ID effective from 9:38 AM MDT June 20, 2026 until 6:00 PM MDT June 20, 2026. The alert is classified as Severe with Likely certainty and Expected urgency.

Affected Areas

Fire Weather Zones 423 (Owyhee Mountains) and 426 (Southern Highlands) in Idaho.

What You Should Do

Outdoor burning is not recommended. Prepare for critical fire weather conditions.

Expected Conditions

Scattered thunderstorms with 30 to 50 percent areal coverage and abundant lightning. Gusty erratic outflow winds up to 40 mph. Any fire that develops will catch and spread quickly.

Timeline

The warning remains in effect until 6 PM MDT this evening.

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 Boise issues Red Flag Warning for lightning until 6 PM MDT June 20 affecting Fire Weather Zones 423 and 426 in Idaho.
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 Southwest Idaho. 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.