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

Marion, Marion Municipal Airport (KMNN)

Lat: 40.62°NLon: 83.07°WElev: 994ft.

A Few Clouds

84°F

29°C

Humidity 55%
Wind Speed S 10 G 17 mph
Barometer 30.15 in (1020.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 6 Aug 12:53 pm EDT
Extended Forecast for

Sparta OH

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. West wind around 7 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 67. Light and variable wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 8am, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Southwest wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Southwest wind 9 to 11 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely then
    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 85. West wind around 7 mph.
Tonight
A chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 67. Light and variable wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly before 8am, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Southwest wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Southwest wind 9 to 11 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta OH
 40.38°N 82.72°W (Elev. 1368 ft)
Last Update:
1:16 pm EDT Aug 6, 2026
Forecast Valid:
1pm EDT Aug 6, 2026-6pm EDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation