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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

South Lake Tahoe, Lake Tahoe Airport (KTVL)

Lat: 38.89836°NLon: 119.99615°WElev: 6257.0ft.

Clear

88°F

31°C

Humidity 12%
Wind Speed SW 6 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 01 Aug 03:20 PM PDT
Extended Forecast for

South Lake Tahoe CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. West wind around 10 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming east around 5 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. West wind around 10 mph.
Tonight
Clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Sunday Night
Clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 82. Calm wind becoming east around 5 mph.
Monday Night
Clear, with a low around 59. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lake Tahoe CA
 38.94°N 119.99°W (Elev. 6293 ft)
Last Update:
11:30 am PDT Aug 1, 2026
Forecast Valid:
3pm PDT Aug 1, 2026-6pm PDT Aug 7, 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