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

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

STONYFORD (SYWC1)

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

NA

53°F

12°C

Humidity 81%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 16 Aug 03:26 AM PDT
Extended Forecast for

20 Miles N Clearlake CA

  • Today

    Today: Sunny, with a high near 82. Northwest wind 6 to 8 mph becoming southeast in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 67. Southwest wind 3 to 7 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind becoming south southeast 5 to 8 mph in the morning.

    High: 83 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South southwest wind 5 to 8 mph becoming west northwest after midnight.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. North northwest wind around 7 mph becoming southeast in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Northwest wind 6 to 8 mph becoming southeast in the afternoon.
Tonight
Increasing clouds, with a low around 67. Southwest wind 3 to 7 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind becoming south southeast 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 66. South southwest wind 5 to 8 mph becoming west northwest after midnight.
Tuesday
Mostly sunny, with a high near 85. North northwest wind around 7 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles N Clearlake CA
 39.24°N 122.56°W (Elev. 3199 ft)
Last Update:
2:00 am PDT Aug 16, 2026
Forecast Valid:
4am PDT Aug 16, 2026-6pm PDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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