Weather Alert Details

San Diego County Mountains

Heat Advisory from WED 10:00 AM PDT until THU 8:00 PM PDT Issued July, 08 2025 at 2:03 AM - US/Pacific expires July, 10 2025 at 8:00 PM - US/Pacific ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT THURSDAY... * WHAT...High temperatures in the 90s below 4500 feet expected. * WHERE...Riverside County Mountains and San Diego County Mountains. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. &&