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Home Return to list Areal Flood Watch 0004 Issued by the Sacramento Forecast Office
Action: New Issued At: 2025-12-19 10:24:17
383
WGUS66 KSTO 191624
FFASTO
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Sacramento CA
824 AM PST Fri Dec 19 2025
.A series of warm atmospheric rivers will bring moderate to heavy
rain to the Valley, foothills, and mountains the week of Christmas.
The prolonged period of rain will bring the risk of flooding to the
Sacramento Valley, northern San Joaquin Valley, northern Sierra
Nevada and adjacent foothills, as well as the Coastal Range.
CAZ013>019-063-066>069-210000-
/O.NEW.KSTO.FA.A.0004.251221T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Red Bluff, Fairfield/Suisun, Modesto,
Paradise, Grass Valley, Burney, Chester, Stockton, Chico,
Sacramento, Shasta Dam, Marysville/Yuba City, Redding, Oroville,
Jackson, Quincy, Blue Canyon, and Alder Springs
824 AM PST Fri Dec 19 2025
...FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH NEXT FRIDAY
AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is 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...From Saturday afternoon through next 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, but do anticipate enhanced runoff in/below scars.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
SR
Action: Continued Issued At: 2025-12-20 15:03:54
705
WGUS66 KSTO 202103
FFASTO
Flood Watch
National Weather Service Sacramento CA
103 PM PST Sat Dec 20 2025
.A series of warm atmospheric rivers will bring moderate to heavy
rain to the Valley, foothills, and mountains the week of Christmas.
The prolonged period of rain will bring the risk of flooding to the
Sacramento Valley, northern San Joaquin Valley, northern Sierra
Nevada and adjacent foothills, as well as the Coastal Range.
CAZ013>019-063-066>069-220000-
/O.CON.KSTO.FA.A.0004.251221T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Marysville/Yuba City, Burney, Paradise,
Chico, Sacramento, Alder Springs, Modesto, Blue Canyon, Jackson,
Stockton, Fairfield/Suisun, Grass Valley, Red Bluff, Shasta Dam,
Redding, Quincy, Oroville, and Chester
103 PM PST Sat Dec 20 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...
* 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, but do anticipate enhanced runoff in/below scars.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
JS
Action: Continued Issued At: 2025-12-21 14:50:11
597
WGUS66 KSTO 212050
FFASTO
Flood Watch
National Weather Service Sacramento CA
1250 PM PST Sun Dec 21 2025
.A series of warm atmospheric rivers will bring moderate to heavy
rain to the Valley, foothills, and mountains the week of Christmas.
The prolonged period of rain will bring the risk of flooding to the
Sacramento Valley, northern San Joaquin Valley, northern Sierra
Nevada and adjacent foothills, as well as the Coastal Range.
CAZ013>019-063-066>069-230000-
/O.CON.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Marysville/Yuba City, Blue Canyon, Alder
Springs, Modesto, Fairfield/Suisun, Stockton, Chester, Paradise,
Grass Valley, Burney, Quincy, Chico, Oroville, Shasta Dam,
Redding, Red Bluff, Jackson, and Sacramento
1250 PM PST Sun Dec 21 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...
* 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, but do anticipate enhanced runoff in/below scars.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
JS
Action: Continued Issued At: 2025-12-22 15:30:54
294
WGUS66 KSTO 222130
FFASTO
Flood Watch
National Weather Service Sacramento CA
130 PM PST Mon Dec 22 2025
CAZ013>019-063-066>069-240000-
/O.CON.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Red Bluff, Stockton, Paradise, Grass
Valley, Jackson, Chester, Alder Springs, Oroville, Quincy,
Fairfield/Suisun, Redding, Blue Canyon, Marysville/Yuba City,
Modesto, Chico, Shasta Dam, Sacramento, and Burney
130 PM PST Mon Dec 22 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...
* 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
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
SR
Action: Continued Issued At: 2025-12-23 13:34:51
150
WGUS66 KSTO 231934
FFASTO
Flood Watch
National Weather Service Sacramento CA
1134 AM PST Tue Dec 23 2025
CAZ013>019-063-066>069-250000-
/O.CON.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Blue Canyon, Paradise, Modesto, Jackson,
Redding, Marysville/Yuba City, Alder Springs, Quincy, Shasta Dam,
Red Bluff, Sacramento, Fairfield/Suisun, Oroville, Burney, Grass
Valley, Stockton, Chester, and Chico
1134 AM PST Tue Dec 23 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...
* 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
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
JS
Action: Continued Issued At: 2025-12-24 15:20:23
682
WGUS66 KSTO 242119
FFASTO
Flood Watch
National Weather Service Sacramento CA
119 PM PST Wed Dec 24 2025
.A series of warm atmospheric rivers will bring moderate to heavy
rain to the Valley, foothills, and mountains the week of Christmas.
The prolonged period of rain will bring the risk of flooding to the
Sacramento Valley, northern San Joaquin Valley, northern Sierra
Nevada and adjacent foothills, as well as the Coastal Range.
CAZ014-068-069-242230-
/O.CAN.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burney Basin / Eastern Shasta County-Western Plumas County/Lassen
Park-West Slope Northern Sierra Nevada-
Including the cities of Chester, Quincy, Burney, and Blue Canyon
119 PM PST Wed Dec 24 2025
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for a portion of northern California,
including the following areas, Burney Basin / Eastern Shasta County,
West Slope Northern Sierra Nevada and Western Plumas County/Lassen
Park.
Snow levels are dropping to 4500-5500 feet and precipitation is
transitioning over to snow. See Winter Storm Warning for further
information.
$$
CAZ013-015>019-063-066-067-260000-
/O.CON.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shasta Lake Area / Northern 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-
Including the cities of Red Bluff, Fairfield/Suisun, Stockton,
Grass Valley, Modesto, Alder Springs, Chico, Paradise, Jackson,
Oroville, Marysville/Yuba City, Sacramento, Redding, and Shasta
Dam
119 PM PST Wed Dec 24 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northern California, including the following
areas, Carquinez Strait and Delta, Sacramento Valley, Motherlode,
Mountains Southwestern Shasta County to Western Colusa County,
Northeast Foothills, Northern San Joaquin Valley, and Shasta Lake
Area / Northern Shasta County .
* 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
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
JS
Action: Cancelled Issued At: 2025-12-24 15:20:23
682
WGUS66 KSTO 242119
FFASTO
Flood Watch
National Weather Service Sacramento CA
119 PM PST Wed Dec 24 2025
.A series of warm atmospheric rivers will bring moderate to heavy
rain to the Valley, foothills, and mountains the week of Christmas.
The prolonged period of rain will bring the risk of flooding to the
Sacramento Valley, northern San Joaquin Valley, northern Sierra
Nevada and adjacent foothills, as well as the Coastal Range.
CAZ014-068-069-242230-
/O.CAN.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burney Basin / Eastern Shasta County-Western Plumas County/Lassen
Park-West Slope Northern Sierra Nevada-
Including the cities of Chester, Quincy, Burney, and Blue Canyon
119 PM PST Wed Dec 24 2025
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for a portion of northern California,
including the following areas, Burney Basin / Eastern Shasta County,
West Slope Northern Sierra Nevada and Western Plumas County/Lassen
Park.
Snow levels are dropping to 4500-5500 feet and precipitation is
transitioning over to snow. See Winter Storm Warning for further
information.
$$
CAZ013-015>019-063-066-067-260000-
/O.CON.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shasta Lake Area / Northern 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-
Including the cities of Red Bluff, Fairfield/Suisun, Stockton,
Grass Valley, Modesto, Alder Springs, Chico, Paradise, Jackson,
Oroville, Marysville/Yuba City, Sacramento, Redding, and Shasta
Dam
119 PM PST Wed Dec 24 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northern California, including the following
areas, Carquinez Strait and Delta, Sacramento Valley, Motherlode,
Mountains Southwestern Shasta County to Western Colusa County,
Northeast Foothills, Northern San Joaquin Valley, and Shasta Lake
Area / Northern Shasta County .
* 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
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
JS
Action: Continued Issued At: 2025-12-25 13:53:20
284
WGUS66 KSTO 251952
FFASTO
Flood Watch
National Weather Service Sacramento CA
1152 AM PST Thu Dec 25 2025
.A series of warm atmospheric rivers will bring moderate to heavy
rain to the Valley, foothills, and mountains the week of Christmas.
The prolonged period of rain will bring the risk of flooding to the
Sacramento Valley, northern San Joaquin Valley, northern Sierra
Nevada and adjacent foothills, as well as the Coastal Range.
CAZ013-015>019-063-066-067-260400-
/O.CON.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shasta Lake Area / Northern 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-
Including the cities of Jackson, Paradise, Stockton, Grass
Valley, Marysville/Yuba City, Shasta Dam, Oroville, Alder
Springs, Chico, Sacramento, Red Bluff, Modesto, Redding, and
Fairfield/Suisun
1152 AM PST Thu Dec 25 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northern California, including the following
areas, Carquinez Strait and Delta, Sacramento Valley, Motherlode,
Mountains Southwestern Shasta County to Western Colusa County,
Northeast Foothills, Northern San Joaquin Valley, and Shasta Lake
Area / Northern Shasta County.
* 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
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
JS
Action: Continued Issued At: 2025-12-25 21:45:33
565
WGUS66 KSTO 260345
FFASTO
Flood Watch
National Weather Service Sacramento CA
745 PM PST Thu Dec 25 2025
CAZ013-015>019-063-066-067-270000-
/O.CON.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shasta Lake Area / Northern 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-
Including the cities of Fairfield/Suisun, Jackson, Shasta Dam,
Sacramento, Grass Valley, Alder Springs, Red Bluff, Chico,
Oroville, Stockton, Paradise, Modesto, Marysville/Yuba City, and
Redding
745 PM PST Thu Dec 25 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northern California, including the following
areas, Sacramento Valley, northern San Joaquin Valley, Delta
region, and the foothills of the Sierra Nevada.
* 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 into Friday.
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
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
SR
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