Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

54°F

12°C

Humidity	87%
Wind Speed	SSE 5 MPH
Barometer	30.06 in (1017.95 mb)
Dewpoint	50°F (10°C)
Visibility	6.00 mi
Last update	11 Feb 06:15 PM PST

More Information:

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

Extended Forecast for

4 Miles E Saint Helena CA

Tonight
Low: 45 °F
Rain Likely
and Patchy
Fog
Thursday
High: 62 °F
Patchy Fog
then Sunny
Thursday Night
Low: 41 °F
Areas Fog
Friday
High: 65 °F
Mostly Sunny
Friday Night
Low: 43 °F
Patchy Fog
Saturday
High: 58 °F
Slight Chance
Rain and
Areas Fog
Saturday Night
Low: 44 °F
Rain Likely
and Patchy
Fog
Sunday
High: 56 °F
Rain and
Patchy Fog
Sunday Night
Low: 42 °F
Rain and
Patchy Fog

Detailed Forecast

Tonight

Rain likely, mainly before 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45. Southeast wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 62. North northeast wind 3 to 7 mph.

Thursday Night

Areas of fog after 10pm. Otherwise, mostly clear, with a low around 41. Calm wind.

Friday

Mostly sunny, with a high near 65. Calm wind.

Friday Night

Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.

Saturday

A 20 percent chance of rain after 10am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 58. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Rain likely, mainly after 4am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 44. Chance of precipitation is 60%.

Sunday

Rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 56.

Sunday Night

Rain. Patchy fog. Otherwise, cloudy, with a low around 42.

Washington's Birthday

Rain. Patchy fog before 9am. Otherwise, cloudy, with a high near 53.

Monday Night

Rain. Mostly cloudy, with a low around 38.

Tuesday

Rain. Mostly cloudy, with a high near 53.