Extreme Heat Warning for Coachella Valley and San Diego County Deserts
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NWS San Diego has issued an Extreme Heat Warning for Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning from 10 AM August 19 to 8 PM PDT August 21.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Coachella Valley, San Diego County Deserts, San Gorgonio Pass
- Issued
- August 19, 2026
- Issuing authority
- NWS San Diego CA
Heat notices are time-bound and location-specific. Confirm the current forecast and local public-health guidance before relying on this archived record.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
An Extreme Heat Warning (event code XHW) has been issued by the National Weather Service San Diego CA. The alert was sent at 12:58 AM PDT on August 19, 2026, and is effective from 10 AM PDT August 19 through 8 PM PDT August 21.
Affected Areas
The warning covers Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning.
What You Should Do
Residents should drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Expected Conditions
Dangerously hot conditions with temperatures up to 112°F are expected.
Timeline
The warning begins at 10 AM PDT on August 19, 2026, and remains in effect until 8 PM PDT on August 21, 2026. Heat-related illnesses are expected to increase significantly during this period.
Original source: NOAA Official Notice ↗
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