Red Flag Warning for Northern Sierra Front Counties (Aug 31, 2026)

Source: NOAA · Northern Sierra Front

This alert is no longer in effect.

NOAA issued it on August 31, 2026, 3 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 NV issued a Red Flag Warning for gusty winds and low humidity from 11 AM to 11 PM PDT Tuesday across Fire Weather Zone 420.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Northern Sierra Front
Issued
August 31, 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 3 weeks ago; use the issuing agency's live warning service for current conditions in Northern Sierra Front.

Alert Details

A Red Flag Warning has been issued by the National Weather Service in Reno NV. The alert is effective from 11 AM to 11 PM PDT Tuesday, September 1, 2026. It was sent and became effective at 11:42 AM PDT on August 31, 2026. The warning replaces a prior Fire Weather Watch.

Affected Areas

The warning covers Fire Weather Zone 420 Northern Sierra Front, including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen 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. Check weather.gov/reno for updates.

Expected Conditions

Winds will be southwest 15 to 25 mph with gusts of 30 to 40 mph and ridgetop gusts of 45 to 50 mph, shifting to westerly in the late afternoon and evening. Relative humidity will drop to 10 to 15 percent in the afternoon, with nighttime recoveries of 40 to 70 percent Wednesday morning. The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity.

Timeline

The Red Flag Warning is in effect from 11 AM to 11 PM PDT Tuesday, September 1. It expires at 9 AM PDT Tuesday and ends at 11 PM PDT Tuesday.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Similar notices nationwide by length or severity timing 8

Beyond this NWS weather alert's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.

Questions & Answers

What people usually ask about a notice like this one.

What is this NWS weather alert about?
NWS Reno NV issued a Red Flag Warning for gusty winds and low humidity from 11 AM to 11 PM PDT Tuesday across Fire Weather Zone 420.
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 Northern Sierra Front. 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.