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Tropical System in the Gulf; Dangerous Heat and Air Quality Concerns; Severe Thunderstorms for Midwest to mid-Atlantic

Tropical system in the Gulf expected to gradually strengthen the next couple of days off the Florida Panhandle and Alabama coasts. Instances of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

86°F

30°C

Humidity 13%
Wind Speed SE 10 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Heat Index83°F (28°C)
Last update 20 Jul 03:01 PM PDT
Extended Forecast for

4 Miles ENE Calpella CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 92. Southwest wind around 9 mph.

    High: 92 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers. Mostly cloudy, with a low around 63. West wind 5 to 8 mph becoming calm in the evening.

    Low: 63 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 98. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 98 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. West wind 5 to 9 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 92. Southwest wind around 9 mph.
Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 63. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 98. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. West wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Calpella CA
 39.24°N 123.12°W (Elev. 997 ft)
Last Update:
2:10 pm PDT Jul 20, 2026
Forecast Valid:
3pm PDT Jul 20, 2026-6pm PDT Jul 27, 2026
 
Forecast Discussion
 
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Additional Resources

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