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Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

HIGH GLADE LOOKOUT (HGLC1)

Lat: 39.2089°NLon: 122.80999°WElev: 4807.0ft.

NA

54°F

12°C

Humidity 17%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Last update 18 May 08:36 PM PDT
Extended Forecast for

14 Miles N Clearlake CA

  • Tonight

    Tonight: Clear, with a low around 54. North wind 6 to 8 mph.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. North northeast wind 7 to 9 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 58. North northwest wind 3 to 8 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 87 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 54. North wind 6 to 8 mph.
Tuesday
Sunny, with a high near 84. North northeast wind 7 to 9 mph.
Tuesday Night
Increasing clouds, with a low around 58. North northwest wind 3 to 8 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the afternoon.
Wednesday Night
Clear, with a low around 60. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 90. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 57.
Memorial Day
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles N Clearlake CA
 39.16°N 122.66°W (Elev. 2001 ft)
Last Update:
2:10 pm PDT May 18, 2026
Forecast Valid:
8pm PDT May 18, 2026-6pm PDT May 25, 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