Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Hazardous Weather Conditions

Flood Advisory in effect from November 17, 12:19 AM PST until November 17, 03:15 AM PST

Current conditions at

Napa, Napa County Airport (KAPC)

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

rain,mist

55°F

13°C

Humidity	93%
Wind Speed	SE 9 MPH
Barometer	29.72 in (1006.44 mb)
Dewpoint	54°F (12°C)
Visibility	5.00 mi
Last update	17 Nov 01:00 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles N Sonoma CA

Flood Advisory until November 17, 03:15am

Click here for hazard details and duration

Flood Advisory

Flood Advisory until November 17, 03:15am
NOW until 3:15am Mon
Flood Advisory
Overnight
Low: 47 °F
Showers
Monday
High: 50 °F
Showers
Likely and
Patchy Fog
Monday Night
Low: 47 °F
Chance Rain
then Partly
Cloudy
Tuesday
High: 53 °F
Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 55 °F
Partly Sunny
Wednesday Night
Low: 48 °F
Chance Rain
Thursday
High: 52 °F
Chance Rain

Detailed Forecast

Overnight

Showers and possibly a thunderstorm before 4am, then a chance of rain after 4am. Low around 47. South southwest wind 15 to 20 mph decreasing to 7 to 12 mph. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Monday

A chance of rain before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of rain and thunderstorms after 4pm. Patchy fog between 9am and 11am. Otherwise, mostly cloudy, with a high near 50. West northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 47. Northwest wind 6 to 9 mph becoming north northeast after midnight. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Sunny, with a high near 53. West northwest wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 48. Calm wind.

Wednesday

Partly sunny, with a high near 55.

Wednesday Night

A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 48.

Thursday

A chance of rain. Partly sunny, with a high near 52.

Thursday Night

A chance of rain, mainly before 10pm. Partly cloudy, with a low around 48.