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

WHISKEYTOWN HQ#2 (OBRC1)

Lat: 40.61051°NLon: 122.52731°WElev: 1360.0ft.

NA

48°F

9°C

Humidity 85%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 08 Dec 05:00 PM PST
Extended Forecast for

Central Valley CA

  • Tonight

    Tonight: Widespread haze after 7pm. Widespread dense fog, mainly between 7pm and 2am.  Otherwise, partly cloudy, with a low around 45. Calm wind becoming north around 5 mph after midnight.

    Low: 45 °F

    Dense Fog

  • Tuesday

    Tuesday: Widespread haze before 2pm. Sunny, with a high near 54. North wind around 6 mph becoming calm  in the morning.

    High: 54 °F

    Haze

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. North northwest wind 5 to 7 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. North wind 3 to 8 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. North northwest wind around 7 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

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

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread haze after 7pm. Widespread dense fog, mainly between 7pm and 2am. Otherwise, partly cloudy, with a low around 45. Calm wind becoming north around 5 mph after midnight.
Tuesday
Widespread haze before 2pm. Sunny, with a high near 54. North wind around 6 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 50. North northwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 64. North wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 49. North northwest wind around 7 mph.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 59.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 47.
Monday
A chance of showers. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Central Valley CA
 40.69°N 122.37°W (Elev. 801 ft)
1:20 pm PST Dec 8, 2025
5pm 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