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Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Hazardous Weather Conditions

Current conditions at

KNOXVILLE CREEK (KNXC1)

Lat: 38.86194°NLon: 122.41722°WElev: 2200.0ft.

NA

72°F

22°C

Humidity 29%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 04 Oct 05:09 AM PDT
Extended Forecast for

2 Miles WSW Hidden Valley Lake CA

Heat Advisory October 4, 06:06am until October 4, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 4, 06:06am until October 4, 11:00pm

    NOW until 11:00pm Sun

    Heat Advisory

  • Today

    High: 98 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 61. Calm wind becoming north northwest around 6 mph in the evening.

    Low: 61 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny and hot, with a high near 101. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 62. West southwest wind around 7 mph becoming north northwest in the evening.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. North northwest wind 5 to 7 mph becoming calm.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Today
Mostly cloudy, with a high near 98. Light and variable wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 61. Calm wind becoming north northwest around 6 mph in the evening.
Monday
Sunny and hot, with a high near 101. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 62. West southwest wind around 7 mph becoming north northwest in the evening.
Tuesday
Sunny and hot, with a high near 101. North northwest wind 5 to 7 mph becoming calm.
Tuesday Night
Clear, with a low around 59. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hidden Valley Lake CA
 38.79°N 122.56°W (Elev. 958 ft)
Last Update:
2:10 am PDT Oct 4, 2026
Forecast Valid:
6am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation