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

73°F

23°C

Humidity 27%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 06 Oct 03:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

Heat Advisory October 6, 03:51am until October 8, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 6, 03:51am until October 8, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Overnight

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57. Northwest wind 5 to 8 mph.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. West southwest wind around 6 mph becoming north northwest in the evening.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 97. Calm wind becoming south around 6 mph in the afternoon.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 58. North northwest wind around 6 mph.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tuesday Night
Clear, with a low around 57. Northwest wind 5 to 8 mph.
Wednesday
Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 56. West southwest wind around 6 mph becoming north northwest in the evening.
Thursday
Sunny, with a high near 97. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 46.
Columbus Day
Sunny, with a high near 76.
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 am PDT Oct 6, 2026
3am 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