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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

64°F

18°C

Humidity 44%
Wind Speed NW 13 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 14 Sep 08:01 PM PDT
Extended Forecast for

4 Miles SE Hopland CA

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northeast wind 3 to 5 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 50. West southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 88.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Northeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 49. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 50. West southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Patchy fog after 2am. Otherwise, clear, with a low around 51.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 88.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Hopland CA
 38.94°N 123.06°W (Elev. 597 ft)
Last Update:
2:10 pm PDT Sep 14, 2026
Forecast Valid:
8pm PDT Sep 14, 2026-6pm PDT Sep 21, 2026
 
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Additional Resources

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