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

Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Overcast

64°F

18°C

Humidity 100%
Wind Speed NW 6 mph
Barometer 30.07 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 25 May 3:55 am EDT
Extended Forecast for

2 Miles NNW Irwin OH

Dense Fog Advisory until May 25, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until May 25, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 57 °F

    Cloudy

  • Memorial Day

    Memorial Day: Mostly cloudy, with a high near 76. Northeast wind around 7 mph.

    High: 76 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Light northeast wind.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

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

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 57. Light north wind.
Memorial Day
Mostly cloudy, with a high near 76. Northeast wind around 7 mph.
Monday Night
Partly cloudy, with a low around 55. Light northeast wind.
Tuesday
Partly sunny, with a high near 81. Calm wind.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Irwin OH
 40.16°N 83.47°W (Elev. 997 ft)
Last Update:
4:00 am EDT May 25, 2026
Forecast Valid:
4am EDT May 25, 2026-6pm EDT May 31, 2026
 
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