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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

South Lake Tahoe, Lake Tahoe Airport (KTVL)

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

Clear

69°F

21°C

Humidity 22%
Wind Speed NNE 6 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 19 Sep 04:53 PM PDT
Extended Forecast for

South Lake Tahoe CA

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Calm wind.

    Low: 49 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 71. Calm wind becoming northeast around 5 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, then becoming cloudy toward daybreak, with a low around 53. Calm wind.

    Low: 53 °F

    Becoming
    Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 70. Calm wind becoming northeast around 5 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 71. Calm wind becoming northeast around 5 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 49. Calm wind.
Sunday
Partly sunny, with a high near 71. Calm wind becoming northeast around 5 mph.
Sunday Night
Partly cloudy, then becoming cloudy toward daybreak, with a low around 53. Calm wind.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 70. Calm wind becoming northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 52. Calm wind.
Tuesday
Sunny, with a high near 71. Calm wind becoming northeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lake Tahoe CA
 38.94°N 119.99°W (Elev. 6293 ft)
Last Update:
4:30 pm PDT Sep 19, 2026
Forecast Valid:
5pm PDT Sep 19, 2026-6pm PDT Sep 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation