Red Flag Warning Issued for Sierra Front Counties
This alert is no longer in effect.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 Reno has issued a Red Flag Warning for thunderstorms and strong outflow winds across the Northern and Southern Sierra Front until 10 PM PDT.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Sierra Front, Nevada and California
- Issued
- July 22, 2026
- Issuing authority
- NWS Reno 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 Sierra Front, Nevada and California.
Alert Details
A Red Flag Warning was issued by NWS Reno NV on June 18 at 1:49 PM PDT. The alert is effective from 1:49 PM PDT June 18 until 10:00 PM PDT June 18.
Affected Areas
Fire Weather Zone 420 Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties. Fire Weather Zone 421 Southern Sierra Front including Alpine, Northern Mono, Southern Lyon, and Western Mineral Counties.
What You Should Do
Avoid outdoor activities that can cause a spark near dry vegetation, such as yard work, target shooting, or campfires. Follow local fire restrictions.
Expected Conditions
Thunderstorm coverage and dry lightning potential will be isolated through this evening, becoming more widespread Friday afternoon. Gusty and erratic thunderstorm outflow winds with gusts to around 50 mph possible.
Timeline
The warning remains in effect until 10 PM PDT this evening for thunderstorms and strong outflow winds.
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 (983 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 22, 2026.
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Common questions about this NWS weather alert.