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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

HIGH GLADE LOOKOUT (HGLC1)

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

NA

69°F

21°C

Humidity 51%
Wind Speed S 18 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 17 Aug 04:36 PM PDT
Extended Forecast for

18 Miles N Clearlake CA

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 5 to 9 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. West southwest wind around 6 mph becoming light and variable.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 64. South southwest wind 6 to 8 mph becoming north northwest after midnight.

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. North northwest wind around 6 mph becoming south southwest in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 60. West southwest wind around 6 mph becoming light and variable.
Tuesday
Sunny, with a high near 82. Northwest wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Clear, with a low around 64. South southwest wind 6 to 8 mph becoming north northwest after midnight.
Wednesday
Sunny, with a high near 87. North northwest wind around 6 mph becoming south southwest in the afternoon.
Wednesday Night
Clear, with a low around 70.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles N Clearlake CA
 39.23°N 122.65°W (Elev. 3025 ft)
Last Update:
11:35 am PDT Aug 17, 2025
Forecast Valid:
5pm PDT Aug 17, 2025-6pm PDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation