Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Oroville Municipal Airport (KOVE)

Lat: 39.49436°NLon: 121.62223°WElev: 180.0ft.

Fog

41°F

5°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 41°F (5°C)
Visibility 0.24 mi
Last update 20 Jan 01:35 AM PST
Extended Forecast for

5 Miles SW Thermalito CA

Dense Fog Advisory January 20, 01:59am until January 20, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 20, 01:59am until January 20, 12:00pm

    NOW until 12:00pm Tue

    Dense Fog Advisory

  • Overnight

    Low: 40 °F

    Dense Fog

  • Tuesday

    Tuesday: Widespread haze between 8am and 3pm. Widespread dense fog before noon.  Otherwise, mostly cloudy, with a high near 56. Calm wind.

    High: 56 °F

    Dense Fog
    then Haze

  • Tuesday Night

    Tuesday Night: Widespread dense fog.  Otherwise, cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Dense Fog

  • Wednesday

    Wednesday: Cloudy, with a high near 56. Calm wind.

    High: 56 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog between midnight and 3am.  Otherwise, cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Cloudy then
    Patchy Fog

  • Thursday

    Thursday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread haze before 2am. Widespread dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Tuesday
Widespread haze between 8am and 3pm. Widespread dense fog before noon. Otherwise, mostly cloudy, with a high near 56. Calm wind.
Tuesday Night
Widespread dense fog. Otherwise, cloudy, with a low around 45. Calm wind.
Wednesday
Cloudy, with a high near 56. Calm wind.
Wednesday Night
Patchy fog between midnight and 3am. Otherwise, cloudy, with a low around 46. Calm wind.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 41.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Thermalito CA
 39.43°N 121.65°W (Elev. 105 ft)
1:21 am PST Jan 20, 2026
1am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database