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Updated:December 23, 2025 12:31 am PST

High Wind Watch HIGH WIND WATCH  
The Motherlode

  Effective: Mon, 12/22 10:25am Severity:  Severe 
  Updated: December 23, 2025 12:31 am Urgency: Future
  Expires: Tue, 12/23 4:00pm Certainty: Possible

Areas Affected: Northern Sacramento Valley - Central Sacramento Valley - Southern Sacramento Valley - Carquinez Strait and Delta - Northern San Joaquin Valley - Northeast Foothills/Sacramento Valley - Motherlode
 
Alert Details:
* WHAT...South winds 25 to 35 mph with gusts up to 60 mph possible.

* WHERE...Carquinez Strait and Delta, Sacramento Valley, Motherlode,
Northeast Foothills,  and Northern San Joaquin Valley.

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

* IMPACTS...Strong winds and saturated soils could blow down trees
and power lines resulting in widespread power outages. Strong
winds may cause impacts to unsecured items, including temporary
structures and holiday decorations. Travel could be difficult,
especially for high profile vehicles.

* ADDITIONAL DETAILS...Strongest wind gusts expected in the northern
Sacramento Valley and adjacent foothills on Wednesday.

Information:
Monitor the latest forecasts and warnings for updates.
Flood Watch FLOOD WATCH  
The Motherlode

  Effective: Mon, 12/22 1:30pm Severity:  Severe 
  Updated: December 23, 2025 12:31 am Urgency: Future
  Expires: Tue, 12/23 4:00pm Certainty: Possible

Areas Affected: Shasta Lake Area / Northern Shasta County - Burney Basin / Eastern Shasta County - Northern Sacramento Valley - Central Sacramento Valley - Southern Sacramento Valley - Carquinez Strait and Delta - Northern San Joaquin Valley - Mountains Southwestern Shasta County to Western Colusa County - Northeast Foothills/Sacramento Valley - Motherlode - Western Plumas County/Lassen Park - West Slope Northern Sierra Nevada
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of northern California, including the following
areas, the Sacramento Valley, northern San Joaquin Valley, Delta
region, Sierra Nevada and adjacent foothills, and Coastal Range.

* WHEN...Through Friday afternoon.

* IMPACTS...Excessive runoff will result in rises along area rivers,
creeks, streams. Small streams and creeks may rise out of their
banks. Flooding may occur in low-lying, poor drainage, and urban
areas. Mudslides and rockslides may occur in mountain and foothill
areas.

* ADDITIONAL DETAILS...
- Periods of moderate to heavy rain are forecast the week of
Christmas. Debris flows are not expected over recent burn
scars in northern California, but do anticipate enhanced
runoff in/below scars.
- 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.