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

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

57°F

14°C

Humidity 68%
Wind Speed WSW 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 07 Jan 11:54 AM PST
Extended Forecast for

4 Miles ESE Yountville CA

Extreme Cold Watch January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Extreme Cold Watch

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. West northwest wind around 7 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. West northwest wind 5 to 7 mph.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. North northwest wind 3 to 7 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. North wind around 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52. Northeast wind 3 to 6 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Areas of frost after 1am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Patchy frost before 9am. Otherwise, mostly sunny, with a high near 54.

    High: 54 °F

    Patchy Frost
    and Patchy
    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 57. West northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 38. West northwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 52. North northwest wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 37. North wind around 7 mph.
Friday
Sunny, with a high near 52. Northeast wind 3 to 6 mph.
Friday Night
Patchy fog after 5am. Areas of frost after 1am. Otherwise, mostly clear, with a low around 34.
Saturday
Patchy fog before 8am. Patchy frost before 9am. Otherwise, mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Yountville CA
 38.38°N 122.31°W (Elev. 161 ft)
Last Update:
11:26 am PST Jan 7, 2026
Forecast Valid:
12pm PST Jan 7, 2026-6pm PST Jan 13, 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