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.

Light Rain Fog/Mist

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 30.26 in (1024.0 mb)
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 17 Sep 6:53 am EDT
Extended Forecast for

Sycamore OH

  • Today

    Today: A chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms and
    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 77. Northeast wind 9 to 11 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. East wind 5 to 9 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 77. Southeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers before 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 77. Northeast wind 9 to 11 mph.
Friday Night
Partly cloudy, with a low around 58. East wind 5 to 9 mph.
Saturday
A chance of showers. Partly sunny, with a high near 77. Southeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Monday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore OH
 40.96°N 83.17°W (Elev. 801 ft)
Last Update:
3:47 am EDT Sep 17, 2026
Forecast Valid:
7am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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