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Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

NA

57°F

14°C

Humidity 99%
Wind Speed E 2 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 15 Nov 10:55 AM PST
Extended Forecast for

6 Miles SSW Saint Helena CA

  • Today

    Today: Rain. Steady temperature around 54. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Steady temperature around 53. West wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain then
    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 52. West northwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Slight Chance
    Rain then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. North northwest wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Rain, mainly after 10pm. Low around 47. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 55. Chance of precipitation is 100%.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 46.

    Low: 46 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Showers

Detailed Forecast

Today
Rain. Steady temperature around 54. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 4am. Steady temperature around 53. West wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 20 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 52. West northwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 40. North northwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Rain, mainly after 10pm. Low around 47. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain. High near 55. Chance of precipitation is 100%.
Wednesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 46.
Thursday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain before 10pm. Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 51.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Saturday
Rain likely. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.42°N 122.49°W (Elev. 1627 ft)
Last Update:
10:53 am PST Nov 15, 2026
Forecast Valid:
11am PST Nov 15, 2026-6pm PST Nov 21, 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