NewsFox 5 San Diego & KUSI — Local NewsAugust 21, 2026San Diego
San Diego County extends extreme heat and monsoon weather warnings through next week
Extreme heat and monsoon humidity are forecast to continue across San Diego County through next week. New weather advisories for local valleys and mountains will take effect this Saturday, while an existing Extreme Heat Warning for desert regions remains active until next Friday.
Read the full story at Fox 5 San Diego & KUSI — Local NewsWhy It Matters
Residents in desert, valley, and mountain regions face prolonged exposure to high temperatures and humidity, necessitating the use of public cooling resources and heat safety precautions.
Key Facts
- An Extreme Heat Warning is in effect for desert regions through next Friday.
- New weather advisories for local valleys and mountains begin this Saturday.
- Extreme heat and monsoon humidity are expected to persist throughout San Diego County through next week.
- Residents are encouraged to use public cool zones.
- Safety guidelines are recommended for heatstroke prevention, pet care, and wildlife awareness.