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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

89°F

32°C

Humidity 42%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Heat Index90°F (32°C)
Last update 17 Jun 10:26 AM PDT
Extended Forecast for

22 Miles N Clearlake CA

  • Today

    Today: Sunny, with a high near 92. Northeast wind around 8 mph becoming southeast in the afternoon.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. South wind 5 to 8 mph becoming calm in the evening.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. South southeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 80. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 92. Northeast wind around 8 mph becoming southeast in the afternoon.
Tonight
Clear, with a low around 64. South wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 60. South southeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Juneteenth
Sunny, with a high near 80. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 61.
Monday
Sunny, with a high near 89.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles N Clearlake CA
 39.27°N 122.54°W (Elev. 2323 ft)
Last Update:
2:00 am PDT Jun 17, 2026
Forecast Valid:
11am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation