
ALT Widespread Moderate HeatRisk is anticipated on Thursday and Friday across a good portion of the Bay Area. Moderate Heatrisk means members of heat-sensitive groups will experience negative heat-related health effects, including heat illnesses. Be sure to drink plenty of water, do not leave children or pets in unattended vehicles. Take frequent breaks in air conditions (if applicable) or shade. Shift activities outdoors to cooler times of day.

ALT Illustration of a school zone crosswalk with a crossing guard holding a stop sign and three children crossing the street. a car waits behind them, and road signs display "school zone" with a pedestrian symbol and a "school speed limit 15 mph" sign. the background shows a residential street lined with trees and buildings.

ALT Fire Weather Watch. Timing: 8am Saturday to 11am Sunday, June 21-22, 2025. Forecast - Wind: North Winds 10 to 20 mph, gusts up to 30 to 40 mph. Relative humidity: Minimum Daytime RH: 15 to 25%, overnight Max RH: Mid 40s to mid 50s. Impacts and Precautions: Easier fire starts and potential for rapid spread of fire, fire safety precautions should be exercised to prevent fires, always have an emergency plan for if a fire starts near you.




























