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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Mount Shasta (KMHS)

Lat: 41.31494°NLon: 122.31702°WElev: 3540.0ft.

Clear

54°F

12°C

Humidity 50%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 07 Dec 12:56 PM PST
Extended Forecast for

10 Miles NNW Carrville CA

  • This Afternoon

    This Afternoon: Mostly cloudy early, then becoming sunny, with a high near 40. West wind around 6 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northwest wind around 6 mph becoming south southeast after midnight.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 47. West southwest wind 7 to 9 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. West wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. West wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Snow level 9200 feet. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Snow level 8700 feet. Mostly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 40. West wind around 6 mph.
Tonight
Mostly clear, with a low around 38. Northwest wind around 6 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 47. West southwest wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 40. West wind 13 to 15 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 45. West wind 13 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of rain. Snow level 9200 feet. Partly cloudy, with a low around 39.
Wednesday
A 20 percent chance of rain. Snow level 8700 feet. Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 48.
Thursday Night
Clear, with a low around 40.
Friday
Sunny, with a high near 51.
Friday Night
Clear, with a low around 37.
Saturday
Sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Carrville CA
 41.2°N 122.8°W (Elev. 7467 ft)
Last Update:
12:41 pm PST Dec 7, 2025
Forecast Valid:
1pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation