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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

47°F

8°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Last update 21 May 04:53 AM PDT
Extended Forecast for

Santa Rosa CA

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 49. South wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 49. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 75 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Memorial Day

    Memorial Day: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Areas Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 49. South wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 49. Southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 49.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 47.
Memorial Day
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.73°W (Elev. 131 ft)
Last Update:
1:25 am PDT May 21, 2026
Forecast Valid:
5am PDT May 21, 2026-6pm PDT May 27, 2026
 
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Additional Resources

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Chance of Precipitation