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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

52°F

11°C

Humidity 81%
Wind Speed SE 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Feb 01:35 AM PST
Extended Forecast for

Yountville CA

Coastal Flood Advisory February 15, 07:00am until February 17, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: A 50 percent chance of rain. Mostly cloudy, with a low around 46. Southeast wind 10 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Rain. High near 56. Southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 45. Southeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 45 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain. High near 53. Calm wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 39. Southwest wind 6 to 8 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 49. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 46. Southeast wind 10 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 56. Southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 45. Southeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Washington's Birthday
Rain. High near 53. Calm wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain. Low around 39. Southwest wind 6 to 8 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 49. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain, mainly before 4am. Low around 35. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 53.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35.
Thursday
A chance of rain. Partly sunny, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36.
Friday
A chance of rain. Partly sunny, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.41°N 122.37°W (Elev. 364 ft)
Last Update:
12:27 am PST Feb 15, 2026
Forecast Valid:
1am PST Feb 15, 2026-6pm PST Feb 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation