Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

SAC NWR (NWRC1)

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

NA

85°F

29°C

Humidity 40%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Heat Index84°F (29°C)
Last update 11 Aug 12:29 PM PDT
Extended Forecast for

Williams CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 93. Southeast wind 3 to 7 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southeast wind 5 to 7 mph becoming calm  after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. Southeast wind 5 to 9 mph becoming light east southeast  after midnight.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 93. Southeast wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 60. Southeast wind 5 to 7 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 90. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. Southeast wind 5 to 9 mph becoming light east southeast after midnight.
Thursday
Sunny, with a high near 81. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Williams CA
 39.17°N 122.14°W (Elev. 66 ft)
11:31 am PDT Aug 11, 2026
1pm PDT Aug 11, 2026-6pm PDT Aug 17, 2026
 
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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