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Northern California Faces First Red Flag Warning of 2025 Amid High Winds, Low Humidity

Critical fire weather conditions persist through Monday evening, with gusty winds, dry air, and rising temperatures increasing wildfire risk.

A red flag warning is in effect through 8 p.m. Monday for the Sacramento Valley and parts of the interior Bay Area. 
The risk of fire weather risk will spread southward through the Central Valley on Monday. 
Wednesday will probably be the warmest day of the week. 
Humidity levels will be lowest across the interior Monday afternoon. 

Overview

  • A red flag warning is in effect from 8 a.m. Sunday to 8 p.m. Monday across the Sacramento Valley, northern San Joaquin Valley, and eastern interior East Bay.
  • Forecasts predict wind gusts up to 35 mph in lower elevations and up to 55 mph in higher terrain, with relative humidity dropping to single digits in some areas.
  • Temperatures are expected to climb into the high-80s and low-90s in inland areas by midweek, further drying out vegetation.
  • Residents are urged to avoid activities that could spark fires, such as driving over dry grass or leaving open flames unattended.
  • Pacific Gas & Electric has stated it does not anticipate preemptive power shutoffs during this warning period but continues to monitor conditions.