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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair

84°F

29°C

Humidity 66%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 16 Aug 11:07 am EDT
Extended Forecast for

Plain City OH

  • Today

    Today: Sunny, with a high near 90. Light west wind.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 69. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Northwest wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Northeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Mostly clear, with a low around 67. Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 90. Light west wind.
Tonight
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 69. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Northwest wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Northeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
A slight chance of showers after 2am. Mostly clear, with a low around 67. Chance of precipitation is 20%.
Tuesday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plain City OH
 40.11°N 83.27°W (Elev. 928 ft)
Last Update:
6:06 am EDT Aug 16, 2025
Forecast Valid:
11am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation