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

Life-Threatening Flash Flooding in South Central Texas; Heat Continues from the Northern Plains to the Mid-Atlantic

Life-threatening and locally catastrophic flash and urban flooding is expected across portions of south-central Texas through early Friday, with significant river flooding and rapid rises on small streams, arroyos, and typically dry washes expected. A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

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

NA

97°F

36°C

Humidity 16%
Wind Speed SW 12 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Heat Index93°F (34°C)
Last update 15 Jul 03:09 PM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Tonight

    Tonight: Clear, with a low around 60. West northwest wind 8 to 11 mph.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northwest wind 5 to 9 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. South southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 60. West northwest wind 8 to 11 mph.
Thursday
Sunny, with a high near 95. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 54. Northwest wind 5 to 9 mph.
Friday
Sunny, with a high near 92. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. South southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 93. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
Last Update:
2:23 pm PDT Jul 15, 2026
Forecast Valid:
4pm PDT Jul 15, 2026-6pm PDT Jul 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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