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.

Overcast

76°F

24°C

Humidity 74%
Wind Speed S 5 mph
Barometer 29.73 in (1006.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 2 Aug 11:53 am EDT
Extended Forecast for

Upper Sandusky OH

Flood Watch until August 2, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 2, 05:00pm

    NOW until 5:00pm Sun

    Flood Watch

  • This Afternoon

    High: 79 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 64. North wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Northeast wind 9 to 11 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Northeast wind 3 to 5 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 79. East wind 5 to 8 mph becoming north. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 64. North wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Northeast wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 59. Northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. 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:
Upper Sandusky OH
 40.81°N 83.28°W (Elev. 801 ft)
Last Update:
3:46 am EDT Aug 2, 2026
Forecast Valid:
12pm EDT Aug 2, 2026-6pm EDT Aug 8, 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