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

Butler County Regional Airport (KHAO)

Lat: 39.36°NLon: 84.52°WElev: 607ft.

Overcast

46°F

8°C

Humidity 83%
Wind Speed E 3 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 26 Dec 3:53 am EST
Extended Forecast for

3 Miles ESE Overpeck OH

  • Overnight

    Overnight: A slight chance of rain.  Cloudy, with a low around 42. Southeast wind around 7 mph.  Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain likely, mainly before 11am.  Areas of fog between 9am and 10am.  Otherwise, cloudy, with a high near 63. Southeast wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain Likely
    and Areas Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. West wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 53. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 53 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Cloudy, with a low around 46. East wind around 6 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers after 7am.  High near 66. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Showers.  Low around 34. Chance of precipitation is 100%.

    Low: 34 °F

    Showers

  • Monday

    Monday: A chance of rain and snow showers before 1pm.  Mostly cloudy, with a high near 37. Breezy.  Chance of precipitation is 30%.

    High: 37 °F

    Chance
    Rain/Snow and
    Breezy

  • Monday Night

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

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain. Cloudy, with a low around 42. Southeast wind around 7 mph. Chance of precipitation is 20%.
Friday
Rain likely, mainly before 11am. Areas of fog between 9am and 10am. Otherwise, cloudy, with a high near 63. Southeast wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 42. West wind 5 to 9 mph becoming light and variable after midnight.
Saturday
Mostly cloudy, with a high near 53. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 46. East wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm, then showers after 7am. High near 66. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers. Low around 34. Chance of precipitation is 100%.
Monday
A chance of rain and snow showers before 1pm. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Overpeck OH
 39.41°N 84.41°W (Elev. 699 ft)
12:42 am EST Dec 26, 2025
4am EST Dec 26, 2025-6pm EST Jan 1, 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