Extreme Cold Warning Issued for Eastern Santa Clara Hills as Temperatures Drop to 24 Degrees
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months 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).
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The National Weather Service has issued an Extreme Cold Warning for the Eastern Santa Clara Hills, effective from midnight tonight through Wednesday morning due to dangerously low temperatures.
Read this weather record in 30 seconds
- Record type
- Extreme Cold Warning
- Affected area
- Eastern Santa Clara Hills
- Issued
- April 6, 2026
- Issuing authority
- NWS San Francisco CA
The warning type, named area, and issue time define this record. Confirm all three against the original agency notice before treating it as current.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Eastern Santa Clara Hills.
Alert Details
The National Weather Service in San Francisco CA has issued an Extreme Cold Warning for the Eastern Santa Clara Hills. The alert is in effect from midnight tonight until 9:00 AM PST Wednesday, February 18.
Affected Areas
The warning specifically covers the Eastern Santa Clara Hills region (CAZ514).
What You Should Do
Residents are advised to take the following precautions to ensure safety during this cold event:
- Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors.
- Do not use generators or grills inside, as carbon monoxide poisoning can result.
- Check with local, city, or county officials for information on available warming centers.
- Dress in layers if you must be outdoors.
- Make sure that pets and livestock have adequate food, unfrozen water, and warmth.
- Cover or tend to sensitive crops, plants, and vegetation to prevent damage or death.
Expected Conditions
Very cold conditions are anticipated, with temperatures expected to drop as low as 24 degrees. These conditions will be hazardous to sensitive populations, such as unhoused individuals. Additionally, hikers and outdoor enthusiasts will encounter dangerously cold conditions over the higher peaks. Prolonged exposure to these conditions will lead to hypothermia for people, pets, and livestock.
Timeline
- Alert Issued: February 17 at 1:45 PM PST
- Warning Onset: February 18 at 12:00 AM PST (Midnight tonight)
- Warning Expiration: February 18 at 9:00 AM PST
Original source: NOAA Official Notice ↗
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