Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Partly Cloudy

63°F

17°C

Humidity 58%
Wind Speed S 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Mar 04:53 PM PST
Extended Forecast for

6 Miles SSW Saint Helena CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 10pm and 4am.  Mostly cloudy, with a low around 50. West southwest wind 3 to 7 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain before 10am.  Mostly sunny, with a high near 61. Light west wind.  New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. Light west northwest wind.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. West wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly between 10pm and 4am. Mostly cloudy, with a low around 50. West southwest wind 3 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 61. Light west wind. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 48. Light west northwest wind.
Tuesday
Sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Partly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.43°N 122.52°W (Elev. 1093 ft)
12:26 pm PST Mar 1, 2026
5pm PST Mar 1, 2026-6pm PDT Mar 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database