National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Red Bluff, Red Bluff Municipal Airport (KRBL)

Lat: 40.15056°NLon: 122.25222°WElev: 348.0ft.

Rain

52°F

11°C

Humidity 82%
Wind Speed SE 20 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 25 Dec 05:54 PM PST
Extended Forecast for

Red Bluff Municipal CA

Flood Watch December 25, 06:06pm until December 26, 04:00pm
Wind Advisory until December 26, 10:00am
Flood Advisory December 25, 06:06pm until December 25, 09:00pm
Click here for hazard details and duration
Flood Watch
Wind Advisory
...
  •  
    Flood Watch December 25, 06:06pm until December 26, 04:00pm
    Wind Advisory until December 26, 10:00am
    Flood Advisory December 25, 06:06pm until December 25, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 49 °F

    Showers and
    Breezy then
    Rain Likely

  • Friday

    Friday: Rain. High near 48. Breezy, with a south southeast wind 20 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40. Southeast wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Mostly sunny, with a high near 48. North northwest wind 6 to 10 mph.

    High: 48 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. North northwest wind around 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Tonight
Rain and thunderstorms before 5am, then rain likely. Steady temperature around 49. Breezy, with a south southeast wind 21 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain. High near 48. Breezy, with a south southeast wind 20 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40. Southeast wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 48. North northwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 36. North northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 39.
New Year's Day
A slight chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Red Bluff Municipal CA
 40.15°N 122.25°W (Elev. 308 ft)
Last Update:
1:21 pm PST Dec 25, 2025
Forecast Valid:
6pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation