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

Hazardous Weather Conditions

Current conditions at

Marion, Marion Municipal Airport (KMNN)

Lat: 40.62°NLon: 83.07°WElev: 994ft.

Fair

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 30.14 in (1020.0 mb)
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 16 Aug 4:53 am EDT
Extended Forecast for

2 Miles SW Sycamore OH

  • Today

    Today: Patchy fog between 7am and 9am. Otherwise, increasing clouds, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 6 mph in the morning.

    High: 91 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. West wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 67. Northeast wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Northeast wind 3 to 6 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Patchy fog between 7am and 9am. Otherwise, increasing clouds, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 6 mph in the morning.
Tonight
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. West wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 67. Northeast wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 87. Northeast wind 3 to 6 mph.
Monday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Sycamore OH
 40.92°N 83.21°W (Elev. 801 ft)
Last Update:
3:42 am EDT Aug 16, 2025
Forecast Valid:
5am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation