Snow and High Winds Across the Rockies and Central High Plains; Unseasonably Warm Over the Central U.S.

A storm system will shift into the Rockies and High Plains into Friday, bringing strong winds and snow to mountainous terrain. Record high temperatures may occur across the Great Plains and Upper Midwest today. This weekend, Pacific moisture will bring heavy rain and high elevation snow to the Pacific Northwest, and severe thunderstorms will impact the Southern Plains and Lower Mississippi Valley. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

8°C

46°F

Humidity 93%
Wind Speed W 6 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 7°C (45°F)
Visibility 16 km
Wind Chill6°C (43°F)
Last update 07 Dec 01:20 AM PST
Extended Forecast for

3 Miles NNW Lake Berryessa CA

  • Overnight

    Overnight: Rain likely after 4am.  Mostly clear, with a low around 6. West southwest wind around 13 km/h.  Chance of precipitation is 60%.

    Rain Likely

    Low: 6 °C

  • Thursday

    Thursday: Rain, mainly before 4pm.  High near 13. South southwest wind 8 to 18 km/h becoming west northwest in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2.5 mm possible.

    Rain

    High: 13 °C

  • Thursday
    Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Patchy frost after 5am.  Otherwise, mostly clear, with a low around 2. West northwest wind around 11 km/h.

    Slight Chance
    Rain then
    Patchy Frost

    Low: 2 °C

  • Friday

    Friday: Patchy frost before 9am.  Otherwise, sunny, with a high near 14. North wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon.

    Patchy Frost
    then Sunny

    High: 14 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 2. Northwest wind around 14 km/h.

    Mostly Clear

    Low: 2 °C

  • Saturday

    Saturday: Mostly sunny, with a high near 15.

    Mostly Sunny

    High: 15 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 2.

    Partly Cloudy

    Low: 2 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 17.

    Mostly Sunny

    High: 17 °C

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 4.

    Partly Cloudy

    Low: 4 °C

Detailed Forecast

Overnight
Rain likely after 4am. Mostly clear, with a low around 6. West southwest wind around 13 km/h. Chance of precipitation is 60%.
Thursday
Rain, mainly before 4pm. High near 13. South southwest wind 8 to 18 km/h becoming west northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between 1 and 2.5 mm possible.
Thursday Night
A 20 percent chance of rain before 10pm. Patchy frost after 5am. Otherwise, mostly clear, with a low around 2. West northwest wind around 11 km/h.
Friday
Patchy frost before 9am. Otherwise, sunny, with a high near 14. North wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon.
Friday Night
Mostly clear, with a low around 2. Northwest wind around 14 km/h.
Saturday
Mostly sunny, with a high near 15.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 18.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Sunny, with a high near 18.
Tuesday Night
Mostly clear, with a low around 4.
Wednesday
Sunny, with a high near 17.
Click Map For Forecast
Point Forecast:
3 Miles NNW Lake Berryessa CA
 38.61°N 122.28°W (Elev. 169 m)
12:53 am PST Dec 7, 2023
3am PST Dec 7, 2023-6pm PST Dec 13, 2023
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database