Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22° N Lon: 83.35° W Elev: 1021 ft.

Mostly Cloudy

73°F

23°C

Humidity 69%
Wind Speed SW 17 G 25 mph
Barometer 30.08 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 3 Apr 10:35 am EDT
Detailed forecast for

Union County

Today
Partly cloudy. Showers likely this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent.
Tonight
Showers likely with a chance of thunderstorms. Unseasonably warm with lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
Saturday
Partly cloudy with a chance of showers in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90 percent.
Saturday Night
Showers with a chance of thunderstorms in the evening, then showers after midnight. Much cooler. Less muggy with lows in the lower 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
Sunday
Partly cloudy. A slight chance of showers in the morning. Much cooler with highs in the upper 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
Sunday Night
Partly cloudy in the evening, then clearing. Lows in the mid 30s.
Monday
Partly cloudy. Highs in the lower 50s.
Monday Night
Partly cloudy. Lows in the upper 20s.
Tuesday
Partly cloudy. Unseasonably cold with highs in the mid 40s.
Tuesday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s.
Wednesday
Partly cloudy. Warmer with highs around 60.
Wednesday Night
Partly cloudy. Warmer with lows in the upper 40s.
Thursday
Partly cloudy. Highs in the lower 70s.



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404 AM EDT Fri Apr 3 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database