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Sprawling Storm System Bringing Impactful Weather To Western and Central U.S. Through Midweek

A large storm system will extend from the West Coast to the Great Lakes during the next couple days bringing hazardous weather to many parts of the country. Heavy snow is expected in the higher terrain of the West, along with very strong winds. Snow and ice will disrupt travel in parts of the Midwest, and heavy rain could cause widespread flooding in the Mississippi Valley and Great Lakes. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

Fair

36°F

2°C

Humidity 69%
Wind Speed S 3 MPH
Barometer 29.96 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 19 Feb 2:35 am PST
Extended Forecast for

Sonoma CA

Freeze Warning February 20, 12:00am until February 20, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Overnight

    Overnight: Mostly clear, with a low around 32. Northwest wind around 18 mph, with gusts as high as 24 mph.

    Mostly Clear

    Low: 32 °F

  • Washington's
    Birthday

    Washington's Birthday: Sunny, with a high near 54. Northwest wind 8 to 16 mph, with gusts as high as 21 mph.

    Sunny

    High: 54 °F

  • Monday
    Night

    Monday Night: Widespread frost, mainly after 11pm.  Otherwise, mostly clear, with a low around 28. North northwest wind 8 to 13 mph becoming light and variable.

    Frost

    Low: 28 °F

  • Tuesday

    Tuesday: Widespread frost before 9am.  Otherwise, increasing clouds, with a high near 54. Light west southwest wind.

    Frost then
    Mostly Sunny

    High: 54 °F

  • Tuesday
    Night

    Tuesday Night: Widespread frost, mainly after midnight.  Otherwise, mostly cloudy, with a low around 29. West wind 5 to 9 mph becoming calm  in the evening.

    Frost

    Low: 29 °F

  • Wednesday

    Wednesday: Widespread frost before 9am.  Otherwise, sunny, with a high near 55.

    Frost then
    Sunny

    High: 55 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Partly Cloudy

    Low: 32 °F

  • Thursday

    Thursday: Partly sunny, with a high near 56.

    Partly Sunny

    High: 56 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 34.

    Partly Cloudy

    Low: 34 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Northwest wind around 18 mph, with gusts as high as 24 mph.
Washington's Birthday
Sunny, with a high near 54. Northwest wind 8 to 16 mph, with gusts as high as 21 mph.
Monday Night
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 28. North northwest wind 8 to 13 mph becoming light and variable.
Tuesday
Widespread frost before 9am. Otherwise, increasing clouds, with a high near 54. Light west southwest wind.
Tuesday Night
Widespread frost, mainly after midnight. Otherwise, mostly cloudy, with a low around 29. West wind 5 to 9 mph becoming calm in the evening.
Wednesday
Widespread frost before 9am. Otherwise, sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 62.
Click Map For Forecast
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
1:27 am PST Feb 19, 2018
3am PST Feb 19, 2018-6pm PST Feb 25, 2018
 
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