Extreme Heat Warning for San Carlos
This alert is no longer in effect.
NOAA issued it on August 16, 2026, 7 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
An Extreme Heat Warning has been issued for San Carlos from 10 AM Tuesday to 8 PM MST Friday, with afternoon temperatures expected between 102 and 110 degrees.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- San Carlos
- Issued
- August 16, 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: historical. It was issued 7 days ago; use the issuing agency's live warning service for current conditions in San Carlos.
Alert Details
Extreme Heat Warning issued by NWS Phoenix AZ. The alert is effective from August 15 at 10:48 PM MST, with onset at 10 AM Tuesday and ending at 8 PM MST Friday.
Affected Areas
San Carlos.
What You Should Do
Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, 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. Public cooling shelters are available in some areas.
Expected Conditions
Dangerously hot conditions with afternoon temperatures 102 to 110 expected. Major to Extreme Heat Risk.
Timeline
The warning is in effect from 10 AM Tuesday to 8 PM MST Friday.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (991 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 16, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.