Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

45°F

7°C

Humidity 81%
Wind Speed E 10 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 29 Dec 12:20 AM PST
Extended Forecast for

5 Miles WSW Yountville CA

  • Overnight

    Overnight: Clear, with a steady temperature around 45. North northeast wind around 9 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 53. North northeast wind 5 to 9 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41. North northeast wind around 6 mph.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Northeast wind 6 to 9 mph.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Northeast wind around 7 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 10am.  Partly sunny, with a high near 50. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain likely.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely.  Cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Overnight
Clear, with a steady temperature around 45. North northeast wind around 9 mph.
Monday
Sunny, with a high near 53. North northeast wind 5 to 9 mph.
Monday Night
Clear, with a low around 41. North northeast wind around 6 mph.
Tuesday
Sunny, with a high near 51. Northeast wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 44. Northeast wind around 7 mph.
Wednesday
A 30 percent chance of rain after 10am. Partly sunny, with a high near 50. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
New Year's Day
Rain likely. Mostly cloudy, with a high near 53.
Thursday Night
Rain likely. Cloudy, with a low around 49.
Friday
Rain likely. Mostly cloudy, with a high near 53.
Friday Night
Rain likely. Mostly cloudy, with a low around 47.
Saturday
Rain likely. Mostly cloudy, with a high near 51.
Saturday Night
Rain likely. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Yountville CA
 38.38°N 122.45°W (Elev. 2192 ft)
12:27 am PST Dec 29, 2025
12am PST Dec 29, 2025-6pm PST Jan 4, 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