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

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

5 Miles E Calpella CA

  • Tonight

    Tonight: Increasing clouds, with a low around 62. West wind 5 to 9 mph becoming calm in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 93. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 93 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. West wind 5 to 8 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. West wind 5 to 7 mph becoming light and variable in the evening.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. Calm wind becoming west around 6 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. West wind 5 to 9 mph becoming calm in the evening.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 93. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 58. West wind 5 to 7 mph becoming light and variable in the evening.
Wednesday
Mostly sunny, with a high near 91. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Calpella CA
 39.23°N 123.08°W (Elev. 997 ft)
Last Update:
2:10 pm PDT Aug 23, 2026
Forecast Valid:
5pm PDT Aug 23, 2026-6pm PDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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