Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

CHESTER (CESC1)

Lat: 40.29261°NLon: 121.24394°WElev: 4547.0ft.

NA

94°F

34°C

Humidity 12%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Heat Index89°F (32°C)
Last update 09 Aug 06:02 PM PDT
Extended Forecast for

6 Miles SW Westwood CA

Heat Advisory August 9, 06:41pm until August 9, 10:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 9, 06:41pm until August 9, 10:00pm

    NOW until 10:00pm Sun

    Heat Advisory

  • Tonight

    Low: 55 °F

    Clear

  • Monday

    Monday: Patchy smoke between 8am and 9am. Sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Patchy Smoke
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. South southwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 55. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Patchy smoke between 8am and 9am. Sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 54. South southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 85. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 52. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 77.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Partly cloudy, with a low around 49.
Friday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 75.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Westwood CA
 40.24°N 121.07°W (Elev. 4688 ft)
2:01 pm PDT Aug 9, 2026
6pm PDT Aug 9, 2026-6pm PDT Aug 16, 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