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.

Rain Fog/Mist

71°F

22°C

Humidity 90%
Wind Speed Calm
Barometer 30.05 in (1017.1 mb)
Dewpoint 68°F (20°C)
Visibility 4.00 mi
Last update 14 Jul 6:53 am EDT
Extended Forecast for

Sparta OH

  • Today

    Today: A chance of showers and thunderstorms, mainly before 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms and
    Patchy Fog
    then Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 67. North wind around 6 mph becoming light and variable in the evening.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    High: 86 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 86. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.

    High: 86 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 71. Chance of precipitation is 80%.

    Low: 71 °F

    T-storms then
    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 67. North wind around 6 mph becoming light and variable in the evening.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 86. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 71. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 67.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta OH
 40.38°N 82.72°W (Elev. 1368 ft)
Last Update:
5:18 am EDT Jul 14, 2025
Forecast Valid:
7am EDT Jul 14, 2025-6pm EDT Jul 20, 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