Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

65°F

18°C

Humidity 58%
Wind Speed WNW 18 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 26 Aug 09:01 PM PDT
Extended Forecast for

9 Miles ESE Calpella CA

  • Tonight

    Tonight: Partly cloudy, with a low around 61. West northwest wind around 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. North northwest wind around 9 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 86. Northwest wind 5 to 8 mph becoming south southwest in the morning.

    High: 86 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. West wind around 8 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. North northwest wind 5 to 8 mph becoming west in the morning.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. West northwest wind around 10 mph.
Thursday
Sunny, with a high near 89. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Increasing clouds, with a low around 63. North northwest wind around 9 mph.
Friday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 86. Northwest wind 5 to 8 mph becoming south southwest in the morning.
Friday Night
Mostly clear, with a low around 57. West wind around 8 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 84. North northwest wind 5 to 8 mph becoming west in the morning.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 84.
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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 26, 2026
9pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database