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

COHASSET (CSTC1)

Lat: 39.87184°NLon: 121.76898°WElev: 1733.0ft.

NA

43°F

6°C

Humidity 96%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 09 Dec 01:51 AM PST
Extended Forecast for

4 Miles ENE Chico CA

  • Overnight

    Overnight: Widespread haze. Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Widespread haze before 11am. Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 46. Calm wind becoming west around 5 mph.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Northeast wind 3 to 5 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northeast wind 3 to 5 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread haze. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Tuesday
Widespread haze before 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 46. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 43. Northeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 55. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. Northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 56.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 47.
Monday
A chance of showers. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Chico CA
 39.78°N 121.74°W (Elev. 955 ft)
1:20 am PST Dec 9, 2025
2am 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