Heat Advisory
NWS San Diego CA
Archived copy, taken Fri, Sep 11, 2026, 6:00 AM PDT. Read this alert at the National Weather Service →
Heat Advisory issued September 11 at 2:30AM PDT until September 11 at 8:00PM PDT by NWS San Diego CA
- Issued
- Fri, Sep 11, 2026, 2:30 AM PDT
- Effective
- Fri, Sep 11, 2026, 2:30 AM PDT
- Ends
- Fri, Sep 11, 2026, 8:00 PM PDT
- Severity
- Moderate
- Urgency
- Expected
- Certainty
- Likely
- Status
- Actual
- Message type
- Alert
AreaSan Bernardino and Riverside County Valleys-The Inland Empire
- WHAT...High temperatures in the mid 90s to 102 expected.
- WHERE...San Bernardino and Riverside County Valleys-The Inland Empire.
- WHEN...Until 8 PM PDT this evening.
- IMPACTS...Hot temperatures may cause heat illnesses.
What the Weather Service says to do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.