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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Dayton / Wright-Patterson Air Force Base (KFFO)

Lat: 39.83°NLon: 84.05°WElev: 823ft.

Overcast

43°F

6°C

Humidity 79%
Wind Speed SE 6 mph
Barometer 29.87 in (1012.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 26 Dec 5:55 am EST
Extended Forecast for

Dayton / Wright-Patterson Air Force Base OH

  • Today

    Today: Rain, mainly before noon. Patchy fog between 9am and noon. High near 63. Southeast wind 9 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Cloudy, with a low around 44. Southeast wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers. High near 66. South wind 8 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 34. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 34 °F

    Showers

  • Monday

    Monday: A chance of rain and snow showers before 1pm. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 40%.

    High: 35 °F

    Chance
    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly before noon. Patchy fog between 9am and noon. High near 63. Southeast wind 9 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 39. Northwest wind 5 to 10 mph becoming light north after midnight.
Saturday
Mostly cloudy, with a high near 52. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers after 1am. Cloudy, with a low around 44. Southeast wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers. High near 66. South wind 8 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 34. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday
A chance of rain and snow showers before 1pm. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton / Wright-Patterson Air Force Base OH
 39.83°N 84.05°W (Elev. 804 ft)
Last Update:
4:00 am EST Dec 26, 2025
Forecast Valid:
6am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation