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Updated:August 12, 2026 3:15 pm PDT

Red Flag Warning RED FLAG WARNING  
Calaveras County

  Effective: Wed, 8/12 11:04am Severity:  Severe 
  Updated: August 12, 2026 3:15 pm Urgency: Expected
  Expires: Thu, 8/13 5:00pm Certainty: Likely

Areas Affected: Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50 - Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
 
Alert Details:
The National Weather Service in Sacramento has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from 5 AM to 9 PM PDT Thursday. The Fire Weather Watch is
no longer in effect.

* Affected Area...Fire Zone 136 Sierra (El Dorado-Amador) Above
5000 ft and Fire Zone 139 Sierra (Cal-Tuo) Above 5000 ft.

* Thunderstorms...Isolated to scattered coverage of a mix of wet
and dry thunderstorms expected. Lightning strikes may also
occur outside of main precipitation cores.

* Outflow Winds...Gusty and erratic outflow winds could occur
near any thunderstorm development.

* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a fire to rapidly grow in
size and intensity.

Information:
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.