Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

63°F

17°C

Humidity 45%
Wind Speed WNW 13 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 16 May 08:15 PM PDT
Extended Forecast for

Saint Helena CA

Coastal Flood Advisory May 16, 10:00pm until May 19, 03:00am
Click here for hazard details and duration
Coastal Flood Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 53. West northwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Light northwest wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 31 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60. North wind 10 to 14 mph, with gusts as high as 34 mph.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. North wind 6 to 10 mph, with gusts as high as 28 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57. North wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West northwest wind 5 to 10 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 77. Light northwest wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 31 mph.
Sunday Night
Clear, with a low around 60. North wind 10 to 14 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 86. North wind 6 to 10 mph, with gusts as high as 28 mph.
Monday Night
Clear, with a low around 57. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 90.
Thursday Night
Clear, with a low around 55.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena CA
 38.49°N 122.48°W (Elev. 318 ft)
1:26 pm PDT May 16, 2026
8pm PDT May 16, 2026-6pm PDT May 23, 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