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

64°F

18°C

Humidity 96%
Wind Speed NW 6 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 25 May 1:53 am EDT
Extended Forecast for

4 Miles NNW Richwood OH

Dense Fog Advisory until May 25, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until May 25, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 57 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Northeast wind around 7 mph.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Overnight
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 57. Light northwest wind. Chance of precipitation is 20%.
Memorial Day
Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Northeast wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 82. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 61. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Richwood OH
 40.49°N 83.32°W (Elev. 925 ft)
Last Update:
6:38 pm EDT May 24, 2026
Forecast Valid:
2am EDT May 25, 2026-6pm EDT May 31, 2026
 
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