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.

Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed N 3 mph
Barometer 30.17 in (1022.2 mb)
Dewpoint 39°F (4°C)
Visibility 2.50 mi
Last update 4 Mar 1:53 am EST
Extended Forecast for

Marion OH

Dense Fog Advisory March 4, 02:45am until March 4, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 4, 02:45am until March 4, 11:00am

    NOW until 11:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 38 °F

    Slight Chance
    Rain and
    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 5pm. Patchy dense fog before 11am. Otherwise, cloudy, with a high near 54. Northeast wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Slight Chance
    Rain and
    Patchy Dense
    Fog then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain and thunderstorms. Patchy fog after 8pm. Low around 50. Southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 4pm. Patchy fog before noon. High near 64. South wind 6 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 74. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain. High near 69. Breezy. Chance of precipitation is 90%.

    High: 69 °F

    Rain and
    Breezy

Detailed Forecast

Overnight
A slight chance of rain after 4am. Patchy dense fog. Otherwise, cloudy, with a low around 38. Light northeast wind. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly after 5pm. Patchy dense fog before 11am. Otherwise, cloudy, with a high near 54. Northeast wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain and thunderstorms. Patchy fog after 8pm. Low around 50. Southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain, with thunderstorms also possible after 4pm. Patchy fog before noon. High near 64. South wind 6 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of rain. Mostly cloudy, with a high near 74. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
Rain. High near 69. Breezy. Chance of precipitation is 90%.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A chance of rain. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.59°N 83.16°W (Elev. 906 ft)
Last Update:
1:32 am EST Mar 4, 2026
Forecast Valid:
2am EST Mar 4, 2026-6pm EDT Mar 10, 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