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

Merced 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, 2026 7:00 am PST

Dense Fog Advisory DENSE FOG ADVISORY  
Merced County
Effective: Wed, 1/28 3:00am Severity:  Moderate 
Updated: January 28, 2026 7:00 am Urgency: Expected
Expires: Wed, 1/28 12:00pm Certainty: Likely
Areas Affected: Los Banos - Dos Palos - Merced - Madera - Mendota - Planada - Le Grand - Snelling - West Side of Fresno and Kings Counties - Caruthers - San Joaquin - Selma - Fresno-Clovis - Buttonwillow - Lost Hills - I5 - Delano-Wasco-Shafter - Hanford - Corcoran - Lemoore - Visalia - Porterville - Reedley - Buena Vista - Bakersfield - Southeast San Joaquin Valley - South End San Joaquin Valley
 
Alert Details: 
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.

* WHERE...San Joaquin Valley.

* WHEN...For the first Dense Fog Advisory, until noon PST today. For
the second Dense Fog Advisory, from 11 PM this evening to noon PST
Thursday.

* IMPACTS...Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.

Information: 
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
Dense Fog Advisory DENSE FOG ADVISORY  
Merced County
Effective: Wed, 1/28 3:00am Severity:  Moderate 
Updated: January 28, 2026 7:00 am Urgency: Expected
Expires: Wed, 1/28 12:00pm Certainty: Likely
Areas Affected: Los Banos - Dos Palos - Merced - Madera - Mendota - Planada - Le Grand - Snelling - West Side of Fresno and Kings Counties - Caruthers - San Joaquin - Selma - Fresno-Clovis - Buttonwillow - Lost Hills - I5 - Delano-Wasco-Shafter - Hanford - Corcoran - Lemoore - Visalia - Porterville - Reedley - Buena Vista - Bakersfield - Southeast San Joaquin Valley - South End San Joaquin Valley
 
Alert Details: 
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.

* WHERE...San Joaquin Valley.

* WHEN...For the first Dense Fog Advisory, until noon PST today. For
the second Dense Fog Advisory, from 11 PM this evening to noon PST
Thursday.

* IMPACTS...Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.

Information: 
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.