Northern California Faces Heat Wave, Cooling Trend Expected by Weekend
Northern California Faces Heat Wave, Cooling Trend Expected by Weekend
US · Published Sep 10, 2026
Northern California is currently experiencing a heat wave, with temperatures in the valley exceeding 100°F (37.8°C) on Wednesday, marking the peak of the heat.
A heat advisory is in effect for parts of the valley and surrounding foothills through Thursday evening.

Impact & Risks

The ongoing heat wave poses risks of heat-related illnesses, particularly for vulnerable populations in the valley and foothills under the heat advisory. Elevated fire danger in the mountains due to low humidity and gusty winds increases the risk of wildfires. The North Coast will experience cooler temperatures and potential rain, with Del Norte County having the highest chance of measurable precipitation. Residents in affected areas should remain cautious and take necessary precautions to stay safe during these conditions.

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