Red Flag Warning Issued for Surprise Valley, Eastern Lassen and Northern Washoe 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This alert is no longer in effect.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 from 8 AM to 11 PM PDT Friday across Fire Weather Zones 270, 278 and 458.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Surprise Valley California, Eastern Lassen County, Northern Washoe County
- 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 Surprise Valley California, Eastern Lassen County, Northern Washoe County.
Alert Details
A Red Flag Warning has been issued by the National Weather Service in Reno NV. The alert is in effect from 8 AM to 11 PM PDT Friday for thunderstorms and strong outflow winds.
Affected Areas
The warning covers Fire Weather Zone 270 Surprise Valley California, Fire Weather Zone 278 Eastern Lassen County, and Fire Weather Zone 458 Northern Washoe County.
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
Isolated dry lightning will be possible Friday morning before thunderstorm coverage increases Friday afternoon. Gusty and erratic thunderstorm outflow winds are expected, with gusts to around 50 mph possible even well away from rain cores. Lightning can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow in size and intensity.
Timeline
The Red Flag Warning is effective from 8 AM PDT Friday through 11 PM PDT Friday. The Fire Weather Watch is no longer in effect.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (1,088 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 22, 2026.
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