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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

SAC NWR (NWRC1)

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

NA

61°F

16°C

Humidity 89%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 13 Aug 02:29 AM PDT
Extended Forecast for

Williams CA

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Light east wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 55. South southeast wind 5 to 9 mph becoming calm after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 80 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. South southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Calm wind.
Thursday
Mostly sunny, with a high near 82. Light east wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 55. South southeast wind 5 to 9 mph becoming calm after midnight.
Friday
Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming south southeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55. South southeast wind 5 to 8 mph becoming calm after midnight.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williams CA
 39.17°N 122.14°W (Elev. 66 ft)
Last Update:
2:00 am PDT Aug 13, 2026
Forecast Valid:
3am PDT Aug 13, 2026-6pm PDT Aug 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation