Heavy Rain and Flooding Threat in the Ohio Valley

Gulf moisture will combine with a cold front and will bring heavy rain and scattered flash flooding over parts of the Mid-South into the Ohio Valley through the morning and the Ohio Valley and Central Appalachians on Tuesday. Showers and thunderstorms, some severe, are expected over the Southern Rockies/Southern High Plains on Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

52°F

11°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 07 Oct 03:15 AM PDT
Extended Forecast for

4 Miles SE Saint Helena CA

  • Overnight

    Overnight: Mostly clear, with a low around 56. Light north northwest wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. North northwest wind around 5 mph becoming calm.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. West wind 5 to 9 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Light and variable wind becoming west southwest 9 to 14 mph in the morning.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 51. West southwest wind 11 to 16 mph becoming light southwest.

    Low: 51 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 71.

    High: 71 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Widespread fog, mainly after 5am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Fog

  • Friday

    Friday: A chance of rain.  Widespread fog, mainly before 8am.  Otherwise, partly sunny, with a high near 68.

    High: 68 °F

    Chance Rain
    and Fog

  • Friday Night

    Friday Night: A chance of rain, mainly before 11pm.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Light north northwest wind.
Tuesday
Sunny, with a high near 90. North northwest wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 53. West wind 5 to 9 mph becoming calm.
Wednesday
Sunny, with a high near 78. Light and variable wind becoming west southwest 9 to 14 mph in the morning.
Wednesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51. West southwest wind 11 to 16 mph becoming light southwest.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 71.
Thursday Night
Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 46.
Friday
A chance of rain. Widespread fog, mainly before 8am. Otherwise, partly sunny, with a high near 68.
Friday Night
A chance of rain, mainly before 11pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 46.
Saturday
Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 48.
Columbus Day
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Saint Helena CA
 38.45°N 122.41°W (Elev. 157 ft)
2:39 am PDT Oct 7, 2025
3am PDT Oct 7, 2025-6pm PDT Oct 13, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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