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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

47°F

8°C

Humidity 99%
Wind Speed SSE 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 13 Apr 03:07 AM PDT
Extended Forecast for

6 Miles SSW Saint Helena CA

  • Overnight

    Overnight: Mostly clear, with a low around 43. Light northwest wind.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. West northwest wind around 6 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. West wind 6 to 8 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Light northwest wind.
Monday
Sunny, with a high near 59. Light and variable wind becoming west 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 43. West northwest wind around 6 mph.
Tuesday
Sunny, with a high near 61. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. West wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 63.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A slight chance of rain. Mostly sunny, with a high near 65.
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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:
1:26 am PDT Apr 13, 2026
Forecast Valid:
3am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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