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

Monsoons Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Sunday. The close proximity of Tropical Storm Humberto and a tropical wave (AL94) could lead to interaction between them, and details of their long-range track and intensity forecasts, and any potential impacts, are more uncertain than usual. Read More >

Current conditions at

South Lake Tahoe, Lake Tahoe Airport (KTVL)

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

Clear

50°F

10°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 24 Sep 11:53 PM PDT
Extended Forecast for

South Lake Tahoe CA

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm.

    Low: 49 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 68. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northwest wind around 5 mph becoming calm.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 68. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 49. Northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Clear, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 65.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 45.
Monday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 42.
Tuesday
Showers likely. Mostly cloudy, with a high near 52.
Tuesday Night
A chance of showers. Snow level 9700 feet lowering to 9100 feet after midnight . Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Lake Tahoe CA
 38.94°N 119.99°W (Elev. 6293 ft)
Last Update:
10:16 pm PDT Sep 24, 2025
Forecast Valid:
12am PDT Sep 25, 2025-6pm PDT Oct 1, 2025
 
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