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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

SAC NWR (NWRC1)

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

NA

49°F

9°C

Humidity 100%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 07 Jan 01:29 AM PST
Extended Forecast for

3 Miles NW Williams CA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 48. Calm wind.

    Low: 48 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before noon. Otherwise, partly sunny, with a high near 55. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 55 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. West wind around 6 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 49. Light northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. North northwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog before 3am, then patchy fog after 5am. Patchy frost after 3am. Otherwise, partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Areas of frost before 8am. Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Areas Frost
    and Patchy
    Fog then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 38.

    Low: 38 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 48. Calm wind.
Wednesday
Areas of fog before noon. Otherwise, partly sunny, with a high near 55. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 37. West wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 49. Light northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 38. North northwest wind around 8 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 50.
Friday Night
Patchy fog before 3am, then patchy fog after 5am. Patchy frost after 3am. Otherwise, partly cloudy, with a low around 35.
Saturday
Patchy fog before 9am. Areas of frost before 8am. Otherwise, partly sunny, with a high near 51.
Saturday Night
Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 54.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Williams CA
 39.19°N 122.17°W (Elev. 75 ft)
Last Update:
1:21 am PST Jan 7, 2026
Forecast Valid:
1am PST Jan 7, 2026-6pm PST Jan 13, 2026
 
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Additional Resources

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Chance of Precipitation