Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain and gusty winds from Tropical Storm Moke will impact the Big Island into Monday, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Dangerous heat persists across the Southern Plains and Lower Mississippi Valley, building further into the Southwest by midweek. Read More >

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

88°F

31°C

Humidity 17%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index84°F (29°C)
Last update 23 Aug 05:01 PM PDT
Extended Forecast for

9 Miles ESE Calpella CA

  • Tonight

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

    Low: 67 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 91. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 91 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 62. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. West wind around 7 mph becoming north northwest after midnight.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Light and variable wind becoming west 5 to 7 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 67. West northwest wind 3 to 7 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 91. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 62. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. West wind around 7 mph becoming north northwest after midnight.
Wednesday
Mostly sunny, with a high near 89. Light and variable wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Calpella CA
 39.19°N 123.05°W (Elev. 2031 ft)
2:10 pm PDT Aug 23, 2026
5pm PDT Aug 23, 2026-6pm PDT Aug 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database