Logo

Fresno County Alerts
Noaa Logo 2
NOAA's National Weather Service
Each location shows all alerts on one page
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Alert Summary | Alert RSS Feed | Alert Archives | Icon key
Updated:December 20, 2025 7:45 pm PST

Flood Watch FLOOD WATCH  
Fresno County

  Effective: Sat, 12/20 7:39pm Severity:  Severe 
  Updated: December 20, 2025 7:45 pm Urgency: Future
  Expires: Sun, 12/21 4:00am Certainty: Possible

Areas Affected: West Side Mountains north of 198 - Los Banos - Dos Palos - Merced - Madera - Mendota - Planada - Le Grand - Snelling - Coalinga - Avenal - West Side of Fresno and Kings Counties - Caruthers - San Joaquin - Selma - Fresno-Clovis - West Side Mountains South of 198 - 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 - Mariposa Madera Foothills - Fresno-Tulare Foothills - Fresno-Tulare Lower Sierra - South End Sierra Foothills - South End of the Lower Sierra - Kaiser to Rodgers Ridge - Kings Canyon NP - Grant Grove Area - Sequoia NP - South End of the Upper Sierra - Kern River Valley - Piute Walker Basin - Tehachapi - Grapevine - Frazier Mountain Communities - Indian Wells Valley - Mojave Desert Slopes - Mojave Desert
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Much of Central California. Around 7,000 to 8,000 feet on
Tuesday, then gradually lowering to 6,000 feet by Christmas Day.

* WHEN...From Tuesday afternoon through Friday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.

* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood

Information:
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Flood Watch FLOOD WATCH  
Fresno County

  Effective: Sat, 12/20 7:39pm Severity:  Severe 
  Updated: December 20, 2025 7:45 pm Urgency: Future
  Expires: Sun, 12/21 4:00am Certainty: Possible

Areas Affected: Mariposa-Madera Lower Sierra - Yosemite NP outside of the valley - Yosemite Valley - San Joaquin River Canyon - Upper San Joaquin River
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of central California, including the following
areas, Mariposa-Madera Lower Sierra, San Joaquin River Canyon,
Upper San Joaquin River, Yosemite NP outside of the valley and
Yosemite Valley. Mainly up to 9,000 feet until Monday, then
gradually lowering to 6,000 feet by Christmas Day.

* WHEN...Through Friday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded.

* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood

Information:
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Winter Storm Watch WINTER STORM WATCH  
Fresno County

  Effective: Sat, 12/20 7:39pm Severity:  Severe 
  Updated: December 20, 2025 7:45 pm Urgency: Future
  Expires: Sun, 12/21 4:00am Certainty: Possible

Areas Affected: Upper San Joaquin River - Kaiser to Rodgers Ridge - Kings Canyon NP - Grant Grove Area - Sequoia NP - South End of the Upper Sierra
 
Alert Details:
* WHAT...Heavy snow possible. Total snow accumulations of 3 to 5
feet possible. Winds could gust as high as 50 mph.

* WHERE...Sierra Nevada south of Yosemite NP.

* WHEN...From Tuesday afternoon through Friday afternoon.

* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult
to impossible. The hazardous conditions could impact the Tuesday
evening and Wednesday morning commutes. Gusty winds could bring
down tree branches.

* ADDITIONAL DETAILS...Snow levels around 8,000 to 9,000 feet until
Monday, then 7,000 to 8,000 feet through Tuesday, and lowering to
6,000 feet by Christmas Day.

Information:
Monitor the latest forecasts for updates on this situation.

Persons should consider delaying all travel. If travel is absolutely
necessary, drive with extreme caution. Consider taking a winter
storm kit along with you, including such items as tire chains,
booster cables, flashlight, shovel, blankets and extra clothing.
Also take water, a first aid kit, and anything else that would help
you survive in case you become stranded.