National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

52°F

11°C

Humidity 71%
Wind Speed SSE 5 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Apr 10:20 PM PDT
Extended Forecast for

4 Miles WNW Santa Rosa CA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 70. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain after 2am. Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 46. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: Rain. High near 62. South wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain

  • Monday Night

    Monday Night: Rain. Patchy fog after 11pm. Low around 48. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. Areas of fog before 11am. High near 62. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers and
    Areas Fog

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of rain. Areas of fog before 10am. Otherwise, partly sunny, with a high near 66.

    High: 66 °F

    Chance Rain
    and Areas Fog

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 70. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of rain after 2am. Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 46. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 62. South wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Patchy fog after 11pm. Low around 48. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. Areas of fog before 11am. High near 62. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Wednesday
A chance of rain. Areas of fog before 10am. Otherwise, partly sunny, with a high near 66.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 41.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 71.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Friday
Areas of fog. Otherwise, mostly sunny, with a high near 72.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Santa Rosa CA
 38.46°N 122.76°W (Elev. 118 ft)
Last Update:
8:46 pm PDT Apr 18, 2026
Forecast Valid:
10pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation