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

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Partly Cloudy

70°F

21°C

Humidity 50%
Wind Speed S 7 mph
Barometer 29.70 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Jun 8:35 pm EDT
Extended Forecast for

4 Miles SSW Ostrander OH

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight.  Mostly cloudy, with a low around 56. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 79. Southwest wind 7 to 11 mph.

    High: 79 °F

    Increasing
    Clouds

  • 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 67. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Breezy.
    Chance
    T-storms then
    Heavy Rain

  • Thursday

    Thursday: A chance of showers, mainly before 7am.  Mostly sunny, with a high near 78. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

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

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Mostly cloudy, with a low around 56. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Increasing clouds, with a high near 79. Southwest wind 7 to 11 mph.
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 67. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers, mainly before 7am. Mostly sunny, with a high near 78. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 57. West wind 6 to 11 mph, with gusts as high as 21 mph.
Juneteenth
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Ostrander OH
 40.22°N 83.23°W (Elev. 925 ft)
7:04 pm EDT Jun 16, 2026
8pm EDT Jun 16, 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