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Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

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

NA

44°F

7°C

Humidity 82%
Wind Speed WNW 13 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 23 Apr 12:01 AM PDT
Extended Forecast for

10 Miles NNW Lakeport CA

Frost Advisory April 23, 02:00am until April 23, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm.

    Low: 34 °F

    Patchy Frost

  • Thursday

    Thursday: Patchy fog between 8am and 11am. Patchy frost before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 69 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. West wind 5 to 7 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 61. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of rain before 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm.
Thursday
Patchy fog between 8am and 11am. Patchy frost before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 40. West wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 70. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 40. West southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 61. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 40.
Sunday
A slight chance of rain before 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 59.
Sunday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 37.
Monday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 62.
Monday Night
Areas of fog. Otherwise, partly cloudy, with a low around 39.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 66.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
Last Update:
2:10 pm PDT Apr 22, 2026
Forecast Valid:
12am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation