Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

63°F

17°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Feb 02:00 PM PST
Extended Forecast for

2 Miles SE Lake Berryessa CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 48. Light northwest wind.

    Low: 48 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 68. Light northwest wind.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. North northeast wind 3 to 5 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 66. Calm wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 48. Light northwest wind.
Monday
Sunny, with a high near 68. Light northwest wind.
Monday Night
Mostly clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 66. North northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lake Berryessa CA
 38.55°N 122.21°W (Elev. 440 ft)
1:33 pm PST Feb 1, 2026
2pm PST Feb 1, 2026-6pm PST Feb 7, 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