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

SAC NWR (NWRC1)

Lat: 39.41722°NLon: 122.1825°WElev: 120.0ft.

NA

45°F

7°C

Humidity 100%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 08 Dec 07:29 PM PST
Extended Forecast for

5 Miles S Willows CA

  • Tonight

    Tonight: Widespread haze. Patchy fog.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Tuesday

    Tuesday: Widespread haze before noon. Areas of fog before noon.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind becoming north around 5 mph.

    High: 48 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread haze. Patchy fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Tuesday
Widespread haze before noon. Areas of fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind becoming north around 5 mph.
Tuesday Night
Partly cloudy, with a low around 44. Calm wind.
Wednesday
Mostly sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 45. Calm wind.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A slight chance of showers. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Willows CA
 39.44°N 122.18°W (Elev. 92 ft)
1:20 pm PST Dec 8, 2025
8pm PST Dec 8, 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