U.S. Alerts  
El Dorado Weather Logo
U.S. Color IR Sat North America Color Background Satellite Thumb
Norcal Dual-Pol Radar Live Northern California Doppler Radar Thumbnail Image
W. Coast IR Satellite West Coast Infrared Satellite
Live Lightning Radar Placerville California Lightning Detection Radar Thumbnail Image
Live Streaming Webcam Placerville California Live Streaming WebCam Thumbnail Image
Local Wx Station Data Sacramento, Northern Sierra Nevada & the Motherlode Area Current Weather Conditions

Marin County Alerts
Skywarn Logo
Noaa Logo
Noaa Logo 2
NOAA's National Weather Service
Each location shows all alerts on one page:
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Updated:January 28, 2025 6:45 pm PST

Frost Advisory FROST ADVISORY  
Los Angeles County
Effective: Tue, 1/28 10:33am Severity: Minor
Updated: January 28, 2025 6:45 pm Urgency: Expected
Expires: Tue, 1/28 10:15pm Certainty: Likely
Areas Affected: North Bay Interior Mountains - North Bay Interior Valleys - Santa Clara Valley Including San Jose - Northern Salinas Valley/Hollister Valley and Carmel Valley
 
Alert Details: 
* WHAT...For the Frost Advisory, temperatures as low as 34 will
result in frost formation. For the Freeze Watch, near-freezing
temperatures as low as 32 possible.

* WHERE...The Santa Clara Valley, North Bay Interior Mountains,
North Bay Interior Valleys, and Northern Salinas Valley/Hollister
Valley and Carmel Valley.

* WHEN...For the Frost Advisory, from 1 AM to 9 AM PST Wednesday.
For the Freeze Watch, from late Wednesday night through Thursday
morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Cold Conditions can lead
to hypothermia with prolonged exposure.

Information: 
Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
Frost Advisory FROST ADVISORY  
Marin County
Effective: Tue, 1/28 10:33am Severity: Minor
Updated: January 28, 2025 6:45 pm Urgency: Expected
Expires: Tue, 1/28 10:15pm Certainty: Likely
Areas Affected: North Bay Interior Mountains - North Bay Interior Valleys - Santa Clara Valley Including San Jose - Northern Salinas Valley/Hollister Valley and Carmel Valley
 
Alert Details: 
* WHAT...For the Frost Advisory, temperatures as low as 34 will
result in frost formation. For the Freeze Watch, near-freezing
temperatures as low as 32 possible.

* WHERE...The Santa Clara Valley, North Bay Interior Mountains,
North Bay Interior Valleys, and Northern Salinas Valley/Hollister
Valley and Carmel Valley.

* WHEN...For the Frost Advisory, from 1 AM to 9 AM PST Wednesday.
For the Freeze Watch, from late Wednesday night through Thursday
morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Cold Conditions can lead
to hypothermia with prolonged exposure.

Information: 
Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
Freeze Watch FREEZE WATCH  
Los Angeles County
Effective: Tue, 1/28 10:33am Severity:  Severe 
Updated: January 28, 2025 6:45 pm Urgency: Future
Expires: Tue, 1/28 10:15pm Certainty: Possible
Areas Affected: North Bay Interior Mountains - North Bay Interior Valleys - Santa Clara Valley Including San Jose - Northern Salinas Valley/Hollister Valley and Carmel Valley
 
Alert Details: 
* WHAT...For the Frost Advisory, temperatures as low as 34 will
result in frost formation. For the Freeze Watch, near-freezing
temperatures as low as 32 possible.

* WHERE...The Santa Clara Valley, North Bay Interior Mountains,
North Bay Interior Valleys, and Northern Salinas Valley/Hollister
Valley and Carmel Valley.

* WHEN...For the Frost Advisory, from 1 AM to 9 AM PST Wednesday.
For the Freeze Watch, from late Wednesday night through Thursday
morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Cold Conditions can lead
to hypothermia with prolonged exposure.

Information: 
Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
Freeze Watch FREEZE WATCH  
Marin County
Effective: Tue, 1/28 10:33am Severity:  Severe 
Updated: January 28, 2025 6:45 pm Urgency: Future
Expires: Tue, 1/28 10:15pm Certainty: Possible
Areas Affected: North Bay Interior Mountains - North Bay Interior Valleys - Santa Clara Valley Including San Jose - Northern Salinas Valley/Hollister Valley and Carmel Valley
 
Alert Details: 
* WHAT...For the Frost Advisory, temperatures as low as 34 will
result in frost formation. For the Freeze Watch, near-freezing
temperatures as low as 32 possible.

* WHERE...The Santa Clara Valley, North Bay Interior Mountains,
North Bay Interior Valleys, and Northern Salinas Valley/Hollister
Valley and Carmel Valley.

* WHEN...For the Frost Advisory, from 1 AM to 9 AM PST Wednesday.
For the Freeze Watch, from late Wednesday night through Thursday
morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Cold Conditions can lead
to hypothermia with prolonged exposure.

Information: 
Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.