Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

SIMS (SMSC1)

Lat: 41.0713°NLon: 122.36993°WElev: 2537.0ft.

NA

42°F

6°C

Humidity 97%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 09 Dec 02:32 AM PST
Extended Forecast for

6 Miles WSW Dunsmuir CA

  • Overnight

    Overnight: Widespread haze. Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Haze

  • Tuesday

    Tuesday: Widespread haze before 9am. Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Haze then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. Light north northwest wind.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46. North northwest wind 3 to 5 mph.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread haze. Mostly clear, with a low around 44. Calm wind.
Tuesday
Widespread haze before 9am. Sunny, with a high near 61. Calm wind.
Tuesday Night
Partly cloudy, with a low around 47. Light north northwest wind.
Wednesday
Sunny, with a high near 60. Calm wind.
Wednesday Night
Clear, with a low around 46. North northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A slight chance of showers. Partly sunny, with a high near 54.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 45.
Monday
A chance of showers. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Dunsmuir CA
 41.18°N 122.38°W (Elev. 3104 ft)
1:20 am PST Dec 9, 2025
3am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database