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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Overcast

72°F

22°C

Humidity 83%
Wind Speed NE 7 mph
Barometer 30.16 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Sep 7:55 pm EDT
Extended Forecast for

4 Miles SSE West Mansfield OH

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 55. Northeast wind 5 to 9 mph becoming calm after midnight.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. Light and variable wind becoming southwest around 6 mph in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 77. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 55. Northeast wind 5 to 9 mph becoming calm after midnight.
Saturday
A chance of showers, with thunderstorms also possible after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. Light and variable wind becoming southwest around 6 mph in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 77. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers. Cloudy, with a low around 54. Chance of precipitation is 50%.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE West Mansfield OH
 40.34°N 83.5°W (Elev. 1079 ft)
Last Update:
7:11 pm EDT Sep 18, 2026
Forecast Valid:
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 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