Pacific Storm System Impacting the Western U.S.; Critical to Extremely Critical Fire Weather in the Central U.S.

A Pacific storm will move through the western U.S. today and Tuesday with areas of heavy mountain snow, gusty to high winds, and lower elevation rain. Ahead of this storm, gusty winds and dry conditions over the central and southern Plains will contribute to widespread critical to extremely critical fire weather through Tuesday. Read More >

Hazardous Weather Conditions

Frost Advisory in effect from March 18, 02:00 AM PDT until March 18, 09:00 AM PDT

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Mostly Cloudy

55°F

13°C

Humidity	66%
Wind Speed	WSW 16 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	44°F (7°C)
Visibility	9.00 mi
Last update	17 Mar 03:15 PM PDT

More Information:

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

Extended Forecast for

3 Miles NNW Sonoma CA

Frost Advisory March 18, 02:00am until March 18, 09:00am

Click here for hazard details and duration

Frost Advisory

This Afternoon
High: 55 °F
Showers
Likely
Tonight
Low: 35 °F
Slight Chance
T-storms then
Patchy Frost
Tuesday
High: 61 °F
Areas Frost
then Sunny
Tuesday Night
Low: 36 °F
Mostly Clear
Wednesday
High: 59 °F
Slight Chance
Rain
Wednesday Night
Low: 41 °F
Rain then
Chance Rain
Thursday
High: 63 °F
Patchy Fog
then Mostly
Sunny
Thursday Night
Low: 39 °F
Partly Cloudy
Friday
High: 63 °F
Partly Sunny

Detailed Forecast

This Afternoon

Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 55. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. Northwest wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Tuesday

Areas of frost before 9am. Otherwise, sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 36. Light northwest wind.

Wednesday

A 20 percent chance of rain after 11am. Partly sunny, with a high near 59. Calm wind becoming south southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain, mainly before 11pm. Low around 41. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 63.

Thursday Night

Partly cloudy, with a low around 39.

Friday

Partly sunny, with a high near 63.

Friday Night

Mostly cloudy, with a low around 43.

Saturday

Partly sunny, with a high near 68.