Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

SAC NWR (NWRC1)

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

NA

68°F

20°C

Humidity 64%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 25 Aug 11:29 PM PDT
Extended Forecast for

Williams CA

  • Overnight

    Overnight: Partly cloudy, with a low around 62. Light south southeast wind.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Light southwest wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. Southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 62. Light south southeast wind.
Wednesday
Sunny, with a high near 94. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. Light southwest wind.
Thursday
Increasing clouds, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 63. Southwest wind 5 to 7 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Williams CA
 39.15°N 122.13°W (Elev. 72 ft)
11:31 pm PDT Aug 25, 2026
12am PDT Aug 26, 2026-6pm PDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database