Red Flag Warning for North Bay Interior Mountains and East Bay Hills
This alert is no longer in effect.
NOAA issued it on July 1, 2026, 7 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.
A Red Flag Warning is in effect from 11 PM Wednesday to 9 AM PDT Thursday due to hot, dry, and windy conditions in the North Bay Interior Mountains and East Bay Hills.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- North Bay Interior Mountains and East Bay Hills, California
- Issued
- July 1, 2026
- Issuing authority
- NWS San Francisco CA
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 7 weeks ago; use the issuing agency's live warning service for current conditions in North Bay Interior Mountains and East Bay Hills, California.
Alert Details
A Red Flag Warning has been issued by the National Weather Service San Francisco CA. The alert is effective from 11 PM Wednesday to 9 AM PDT Thursday.
Affected Areas
The warning covers the North Bay Interior Mountains and East Bay Hills.
What You Should Do
Advise responding agencies or fire crews in the field of this fire weather alert. Never leave burning debris or camp fires unattended; extinguish them completely. Avoid using equipment or machinery that could create a spark. Secure tow chains to avoid dragging and subsequent sparks. Never toss cigarette butts out of your vehicle's window. Familiarize yourself with your emergency plan.
Expected Conditions
Hot, dry, and windy conditions combined with mixed vegetation such as grass will lead to critical fire weather conditions. Northwest winds 10 to 20 mph with gusts up to 45 mph. Ridge top wind gusts may exceed 60 mph. Relative humidity between 12 to 18 percent. Extreme fire behavior and rapid rates of spread likely on new and existing wildfires. There will be an increased risk for power outages.
Timeline
The Red Flag Warning is in effect from 11 PM Wednesday to 9 AM PDT Thursday.
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 (1,181 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 1, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.