Red Flag Warning Issued for Southern Nevada and Arizona Colorado River
This alert is no longer in effect.
NOAA issued it on July 22, 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 Las Vegas has issued a Red Flag Warning from 11 AM to 11 PM Friday for critical fire weather conditions across multiple Nevada counties and the Arizona side of the Colorado River.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Southern Nevada and Arizona side of Colorado River
- Issued
- July 22, 2026
- Issuing authority
- NWS Las Vegas NV
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 Southern Nevada and Arizona side of Colorado River.
Alert Details
Red Flag Warning issued by NWS Las Vegas NV. Effective from 2026-06-18T10:30:00-07:00, with onset 2026-06-19T11:00:00-07:00 and ends 2026-06-19T23:00:00-07:00. This replaces a prior Fire Weather Watch.
Affected Areas
Lake Mead NRA/Colorado River-AZ side; Esmeralda and Nye County Deserts; Lincoln County; Nye County Deserts; Sheep Range; Spring Mountains; Clark and SW Lincoln County Deserts; Lake Mead NRA/Colorado River-NV side. Fire weather zones AZZ101, NVZ460, NVZ461, NVZ462, NVZ463, NVZ464, NVZ465, NVZ466.
What You Should Do
Outdoor burning is not recommended. Any fires that develop will likely spread rapidly.
Expected Conditions
South winds 20 to 25 mph with gusts to 35 mph. Humidity 5 to 15 percent.
Timeline
Late Friday morning through Friday evening. In effect 11 AM PDT / 11 AM MST to 11 PM PDT / 11 PM MST Friday.
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 (863 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 22, 2026.
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