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

43°F

6°C

Humidity 100%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 09 Dec 02:29 AM PST
Extended Forecast for

Willows CA

  • Overnight

    Overnight: Widespread haze. Patchy fog.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Widespread haze before noon. Patchy dense 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

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Light northwest wind.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

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

    High: 56 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °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 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread haze. Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Tuesday
Widespread haze before noon. Patchy dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 43. Light northwest wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 43. Calm wind.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 56.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
Monday
A chance of showers. Mostly cloudy, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Willows CA
 39.53°N 122.2°W (Elev. 138 ft)
1:20 am PST Dec 9, 2025
2am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database