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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

SAC NWR (NWRC1)

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

NA

87°F

31°C

Humidity 46%
Wind Speed SSE 10 MPH
Barometer NA
Dewpoint 64°F (18°C)
Visibility NA
Heat Index88°F (31°C)
Last update 17 Aug 03:29 PM PDT
Extended Forecast for

9 Miles NNW Williams CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. South southeast wind 5 to 9 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. South southeast wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. South southeast wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the afternoon.
Monday Night
Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 58. South southeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny and hot, with a high near 98.
Friday Night
Clear, with a low around 66.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Clear, with a low around 63.
Sunday
Sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Williams CA
 39.28°N 122.19°W (Elev. 92 ft)
Last Update:
12:31 pm PDT Aug 17, 2025
Forecast Valid:
4pm PDT Aug 17, 2025-6pm PDT Aug 24, 2025
 
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