San Diego, CA

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Last Map Update: Sat, Jul 4, 2026 at 7:22:35 am PDT

Watches, Warnings & Advisories

National Weather Service Los Angeles, CA

National Weather Service San Joaquin Valley, CA

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National Weather Service NWS Flagstaff, AZ

Extreme Heat Watch

4th of July High Temperatures

Independence Day Outlook

Chance of Highs 100 or Greater Next Wed

Chance of Highs 110 or Greater Next Wed

High Temperatures Next Wed

For the coastal areas: 71 to 79, western valleys and inland Orange County: 79 to 84, inland valleys: 84 to 93, mountains between 4000 ft and 7000 ft: 77 to 89, high desert: 89 to 100, low desert: 102 to 107.

9 PM temperatures today will be around normal, with increasing high clouds. Firework shows should be unobstructed. Happy Independence Day!

A slow warming trend will likely result in moderate HeatRisk for the deserts and minor HeatRisk for the Inland Empire nexy week. There is a 30-40% chance for temperatures to reach 100 degrees in portions of the Inland Empire next Wednesday.

A slow warming trend will likely result in moderate HeatRisk for the deserts and minor HeatRisk for the Inland Empire next week. There is a 50-60% chance for temperatures to reach 110 in the low deserts next Monday, with increasing chances for each subsequent day through mid-next week.

For the coastal areas: 72 to 82, western valleys and inland Orange County: 82 to 93, inland valleys: 89 to 102, mountains between 4000 ft and 7000 ft: 82 to 91, high desert: 97 to 108, low desert: 109 to 114.