National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

SAC NWR (NWRC1)

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

NA

47°F

8°C

Humidity 100%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 13 Jan 07:29 PM PST
Extended Forecast for

Williams CA

  • Tonight

    Tonight: Patchy dense fog before 3am, then widespread dense fog after 5am. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 10am. Otherwise, sunny, with a high near 58. Calm wind becoming north around 5 mph in the afternoon.

    High: 58 °F

    Dense Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 3am. Otherwise, mostly clear, with a low around 42. Light north northwest wind.

    Low: 42 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, sunny, with a high near 62. North northwest wind 3 to 6 mph.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. North northwest wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy dense fog before 3am, then widespread dense fog after 5am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Wednesday
Widespread dense fog, mainly before 10am. Otherwise, sunny, with a high near 58. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Patchy fog before 3am. Otherwise, mostly clear, with a low around 42. Light north northwest wind.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 62. North northwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 45. North northwest wind around 5 mph.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 43.
M.L.King Day
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williams CA
 39.15°N 122.13°W (Elev. 72 ft)
Last Update:
1:21 pm PST Jan 13, 2026
Forecast Valid:
8pm PST Jan 13, 2026-6pm PST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation