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

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

54°F

12°C

Humidity 100%
Wind Speed S 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 0.50 mi
Last update 26 Aug 09:00 AM PDT
Extended Forecast for

Calistoga CA

  • Today

    Today: Sunny, with a high near 92. West wind 3 to 8 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind 5 to 8 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 92. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 92 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. West southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 85 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 85.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 92. West wind 3 to 8 mph.
Tonight
Mostly clear, with a low around 58. West wind 5 to 8 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 92. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 58. West southwest wind 5 to 8 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 52.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 82.
Sunday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 50.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 76.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 49.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Calistoga CA
 38.58°N 122.59°W (Elev. 525 ft)
Last Update:
2:52 am PDT Aug 26, 2026
Forecast Valid:
9am PDT Aug 26, 2026-6pm PDT Sep 1, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation