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.

A Few Clouds

70°F

21°C

Humidity 79%
Wind Speed S 6 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Jun 12:53 am EDT
Extended Forecast for

Upper Sandusky OH

Extreme Heat Watch June 22, 12:00pm until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Overnight

    Overnight: Partly cloudy, with a low around 68. South wind around 8 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am. Sunny, with a high near 91. Heat index values as high as 95. Southwest wind 10 to 17 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Southwest wind 11 to 15 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Heat index values as high as 102. Southwest wind 11 to 13 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. Southwest wind 8 to 10 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. South wind around 8 mph.
Saturday
A slight chance of showers and thunderstorms before 10am. Sunny, with a high near 91. Heat index values as high as 95. Southwest wind 10 to 17 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 75. Southwest wind 11 to 15 mph.
Sunday
Sunny, with a high near 96. Heat index values as high as 102. Southwest wind 11 to 13 mph.
Sunday Night
Clear, with a low around 74. Southwest wind 8 to 10 mph.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Wednesday Night
A chance of thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Sandusky OH
 40.84°N 83.28°W (Elev. 801 ft)
Last Update:
8:01 pm EDT Jun 20, 2025
Forecast Valid:
1am EDT Jun 21, 2025-6pm EDT Jun 27, 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