Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

South Lake Tahoe, Lake Tahoe Airport (KTVL)

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

Clear

82°F

28°C

Humidity 18%
Wind Speed NNE 9 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 04 Aug 01:00 PM PDT
Extended Forecast for

South Lake Tahoe CA

  • This Afternoon

    This Afternoon: Widespread haze before 2pm. Patchy smoke before 2pm. Sunny, with a high near 83. Northwest wind around 5 mph.

    High: 83 °F

    Haze

  • Tonight

    Tonight: Patchy smoke between 2am and 4am. Clear, with a low around 58. West wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke after 4pm. Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Sunny then
    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke before 3am. Clear, with a low around 58. West wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Patchy Smoke

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. West wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Widespread haze before 2pm. Patchy smoke before 2pm. Sunny, with a high near 83. Northwest wind around 5 mph.
Tonight
Patchy smoke between 2am and 4am. Clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Wednesday
Patchy smoke after 4pm. Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Patchy smoke before 3am. Clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
South Lake Tahoe CA
 38.94°N 119.99°W (Elev. 6293 ft)
11:30 am PDT Aug 4, 2026
1pm PDT Aug 4, 2026-6pm PDT Aug 10, 2026
 
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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