Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075° N Lon: 122.27944° W Elev: 33 ft.

Overcast

54°F

12°C

Humidity 94%
Wind Speed NA
Barometer 30.36 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Jan 6:20 am PST
Detailed forecast for

North Bay Mountains

Today
Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the 50s. South winds 5 to 15 mph.
Tonight
A chance of showers in the evening, then rain after midnight. Lows in the lower 50s. South winds 5 to 10 mph increasing to 10 to 20 mph after midnight.
Sunday
Breezy. Rain in the morning, then rain likely in the afternoon. Highs in the lower to mid 50s. Southwest winds 10 to 20 mph increasing to 20 to 30 mph with gusts to around 45 mph in the afternoon.
Sunday Night
Mostly cloudy in the evening then becoming partly cloudy. Breezy. A chance of showers in the evening, then a slight chance of showers after midnight. Lows near 40. West winds 20 to 30 mph with gusts to around 45 mph. Chance of showers 50 percent.
Martin Luther King Jr Day
Sunny, breezy. Highs in the upper 40s to mid 50s. Northwest winds 20 to 30 mph decreasing to 10 to 20 mph in the afternoon.
Monday Night
Mostly clear. Lows around 40.
Tuesday
Sunny, breezy. Highs in the 50s.
Tuesday Night And Wednesday
Partly cloudy. Lows in the lower 40s. Highs in the mid 50s to lower 60s.
Wednesday Night Through Friday
Mostly clear. Lows in the lower 40s. Highs in the mid 50s to lower 60s.



Click Map For Forecast
600 AM PST Sat Jan 19 2019
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database