Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

43°F

6°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 18 Apr 02:53 AM PDT
Extended Forecast for

Santa Rosa CA

  • Overnight

    Overnight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 11pm.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 48. Southwest wind around 6 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 5pm.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 62. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Patchy fog after 11pm. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am.  Patchy fog before 8am.  Otherwise, cloudy, with a high near 61.

    High: 61 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Overnight
Mostly clear, with a low around 42. Calm wind.
Saturday
Sunny, with a high near 76. Light and variable wind.
Saturday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 47. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
A 30 percent chance of showers after 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 48. Southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, with thunderstorms also possible after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Patchy fog after 11pm. Low around 49. Chance of precipitation is 90%.
Tuesday
Showers, with thunderstorms also possible after 11am. Patchy fog before 8am. Otherwise, cloudy, with a high near 61.
Tuesday Night
Rain likely, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 66.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
1:41 am PDT Apr 18, 2026
3am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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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