October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

95°F

35°C

Humidity 15%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index91°F (33°C)
Last update 06 Oct 01:09 PM PDT
Extended Forecast for

Hidden Valley Lake CA

Heat Advisory October 6, 02:12pm until October 8, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 6, 02:12pm until October 8, 11:00pm

    NOW until 11:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 57. West southwest wind 5 to 8 mph becoming north northwest in the evening.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. West southwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 99. Southwest wind around 10 mph.
Tonight
Clear, with a low around 57. West southwest wind 5 to 8 mph becoming north northwest in the evening.
Wednesday
Sunny, with a high near 97. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Clear, with a low around 56. West southwest wind 5 to 7 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 98. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 58. West southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 46.
Columbus Day
Sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
2:10 pm PDT Oct 6, 2026
2pm PDT Oct 6, 2026-6pm PDT Oct 12, 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