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

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

53°F

12°C

Humidity 87%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 15 Aug 01:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 85 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Southwest wind 6 to 11 mph becoming light in the evening.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 48. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. Southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Sunny, with a high near 89. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 52. Southwest wind 6 to 11 mph becoming light in the evening.
Monday
Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
Last Update:
10:16 pm PDT Aug 14, 2026
Forecast Valid:
1am PDT Aug 15, 2026-6pm PDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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