Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Butler County Regional Airport (KHAO)

Lat: 39.36°NLon: 84.52°WElev: 607ft.

A Few Clouds

63°F

17°C

Humidity 87%
Wind Speed Vrbl 3 mph
Barometer 29.76 in (1007.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Jun 12:53 am EDT
Extended Forecast for

Hamilton, Butler County Regional Airport OH

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall.  Low around 69. South wind 14 to 16 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms likely before 8am, then a slight chance of showers between 8am and 2pm.  Partly sunny, with a high near 81. West wind 10 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Calm wind.
Wednesday
Partly sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 69. South wind 14 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and thunderstorms likely before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 81. West wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton, Butler County Regional Airport OH
 39.37°N 84.53°W (Elev. 699 ft)
7:04 pm EDT Jun 16, 2026
1am EDT Jun 17, 2026-6pm EDT Jun 23, 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