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Heavy Rain and Flooding, and Significant Wintry Impacts for the Central U.S.

A strong frontal boundary slowing as it moves into the central U.S. will tap into deep moisture to produce heavy rain and flooding, and a significant ice storm. Rain totals up to 7 inches, with isolated higher amounts, will be possible. Significant icing up to a third of an inch may occur in the central Plains and Middle Missouri Valley. Continued cold weather with snow to low elevations out west. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Fair

30°F

-1°C

Humidity 81%
Wind Speed NNW 5 MPH
Barometer 30.26 in (1023.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 20 Feb 7:54 am PST
Extended Forecast for

Vallejo CA

Hard Freeze Warning until February 21, 08:00am
Click here for hazard details and duration
Hard Freeze Warning
  •  
    Hard Freeze Warning until February 21, 08:00am

    NOW until
    8:00am Wed

    Hard Freeze Warning

  • Tonight

    Tonight: A 30 percent chance of showers after 4am.  Areas of frost after 10pm.  Otherwise, mostly cloudy, with a low around 34. West southwest wind around 5 mph becoming calm  in the evening.

    Areas Frost
    then Chance
    Showers

    Low: 34 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 10am.  Partly sunny, with a high near 53. East northeast wind 3 to 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 53 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 36. North wind around 6 mph becoming west after midnight.

    Partly Cloudy

    Low: 36 °F

  • Thursday

    Thursday: A 30 percent chance of showers after 10am.  Mostly sunny, with a high near 53. West wind around 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 53 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers before 10pm.  Partly cloudy, with a low around 33. North northeast wind 6 to 10 mph.

    Chance
    Showers then
    Partly Cloudy

    Low: 33 °F

  • Friday

    Friday: Sunny, with a high near 57.

    Sunny

    High: 57 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 34.

    Mostly Clear

    Low: 34 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    Mostly Sunny

    High: 58 °F

Detailed Forecast

Tonight
A 30 percent chance of showers after 4am. Areas of frost after 10pm. Otherwise, mostly cloudy, with a low around 34. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers, mainly before 10am. Partly sunny, with a high near 53. East northeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 36. North wind around 6 mph becoming west after midnight.
Thursday
A 30 percent chance of showers after 10am. Mostly sunny, with a high near 53. West wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of showers before 10pm. Partly cloudy, with a low around 33. North northeast wind 6 to 10 mph.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 39.
Monday
A slight chance of showers. Partly sunny, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 39.
Tuesday
A chance of showers. Partly sunny, with a high near 57.
Click Map For Forecast
Point Forecast:
Vallejo CA
 38.14°N 122.22°W (Elev. 197 ft)
3:01 pm PST Feb 20, 2018
7pm PST Feb 20, 2018-6pm PST Feb 27, 2018
 
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