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Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

66°F

19°C

Humidity 49%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 18 Aug 12:01 PM PDT
Extended Forecast for

4 Miles ENE Calpella CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. West wind 6 to 8 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. West wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56. West wind 5 to 9 mph becoming calm after midnight.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61. West wind 5 to 10 mph becoming light and variable after midnight.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 84. West wind 6 to 8 mph.
Tonight
Clear, with a low around 52. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Clear, with a low around 56. West wind 5 to 9 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 94. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Clear, with a low around 61. West wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny and hot, with a high near 103.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny and hot, with a high near 101.
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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:
11:27 am PDT Aug 18, 2025
Forecast Valid:
12pm PDT Aug 18, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation