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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Hazardous Weather Conditions

Current conditions at

TRINITY RIVER NEAR DOUGLAS CITY 1SW (DCYC1)

Lat: 40.64528°NLon: 122.95667°WElev: 1598ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

6 Miles SE Lewiston CA

Frost Advisory November 21, 07:59am until November 21, 10:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory November 21, 07:59am until November 21, 10:00am

    NOW until 10:00am Fri

    Frost Advisory

  • Today

    High: 53 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, mostly clear, with a low around 36. East wind 3 to 6 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 10am. Otherwise, sunny, with a high near 56. Calm wind.

    High: 56 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Light west wind.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 10am. Otherwise, mostly sunny, with a high near 49.

    High: 49 °F

    Areas Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of frost before 10am. Otherwise, sunny, with a high near 53. Northeast wind around 8 mph.
Tonight
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36. East wind 3 to 6 mph.
Saturday
Patchy frost before 10am. Otherwise, sunny, with a high near 56. Calm wind.
Saturday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. Calm wind.
Sunday
Areas of frost before 10am. Otherwise, mostly sunny, with a high near 52. Light and variable wind.
Sunday Night
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Light west wind.
Monday
Areas of frost before 10am. Otherwise, mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 39.
Thanksgiving Day
Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lewiston CA
 40.63°N 122.73°W (Elev. 3360 ft)
Last Update:
1:10 am PST Nov 21, 2025
Forecast Valid:
7am PST Nov 21, 2025-6pm PST Nov 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation