Extreme Heat Warning for Joshua Tree NP East, Salton Sea Areas
If you are in immediate danger, call emergency services now.
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Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Phoenix AZ has issued an Extreme Heat Warning for parts of Southern California including Joshua Tree NP East, Salton Sea, Chuckwalla Mountains, and Chiriaco Summit.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Southern California
- Issued
- August 25, 2026
- Issuing authority
- NWS Phoenix AZ
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 has been issued by the National Weather Service Phoenix AZ. The alert is effective from August 24 at 11:18 PM MST and remains in effect until August 28 at 8:00 PM MST.
Affected Areas
The warning covers Joshua Tree NP East, Salton Sea, Chuckwalla Mountains, and Chiriaco Summit.
What You Should Do
Take extra precautions if working or spending time outside. Reschedule strenuous activities to early morning or evening when possible. Wear lightweight and loose-fitting clothing and drink plenty of water. Schedule frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency; call 911.
Expected Conditions
Dangerously hot conditions with afternoon temperatures of 103 to 114 expected, resulting in Major to Extreme Heat Risk.
Timeline
The warning is in effect from 10 AM Tuesday through 8 PM PDT Friday.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (960 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 25, 2026.
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Common questions about this NWS weather alert.