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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

SAC NWR (NWRC1)

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

NA

87°F

31°C

Humidity 40%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Heat Index87°F (31°C)
Last update 04 Jul 10:29 AM PDT
Extended Forecast for

4 Miles W Williams CA

  • Independence Day

    Independence Day: Sunny and hot, with a high near 96. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind 5 to 8 mph becoming calm after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then becoming mostly sunny during the afternoon, with a high near 92. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 92 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South southeast wind 5 to 9 mph becoming calm in the evening.

    Low: 61 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 93. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Independence Day
Sunny and hot, with a high near 96. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Tonight
Increasing clouds, with a low around 63. South wind 5 to 8 mph becoming calm after midnight.
Sunday
Cloudy, then becoming mostly sunny during the afternoon, with a high near 92. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South southeast wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 93. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny and hot, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Williams CA
 39.14°N 122.22°W (Elev. 121 ft)
Last Update:
2:00 am PDT Jul 4, 2026
Forecast Valid:
10am PDT Jul 4, 2026-6pm PDT Jul 10, 2026
 
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Additional Resources

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