National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles ENE North Lewisburg OH

Dense Fog Advisory until February 17, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 17, 10:00am

    NOW until 10:00am Tue

    Dense Fog Advisory

  • Tonight

    Low: 36 °F

    Dense Fog

  • Tuesday

    Tuesday: Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 53. Calm wind becoming south 5 to 8 mph in the morning.

    High: 53 °F

    Dense Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 47. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 64. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Partly cloudy, with a low around 42. Southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly after 1pm. Partly sunny, with a high near 62. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Rain

  • Friday

    Friday: Mostly sunny, with a high near 53. Breezy.

    High: 53 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Tonight
Widespread dense fog. Otherwise, mostly cloudy, with a low around 36. Southwest wind around 6 mph.
Tuesday
Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 53. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 47. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 64. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain after 1am. Partly cloudy, with a low around 42. Southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Thursday
A chance of rain, mainly after 1pm. Partly sunny, with a high near 62. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 44. Chance of precipitation is 90%.
Friday
Mostly sunny, with a high near 53. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE North Lewisburg OH
 40.23°N 83.49°W (Elev. 1007 ft)
Last Update:
9:07 pm EST Feb 16, 2026
Forecast Valid:
11pm EST Feb 16, 2026-6pm EST Feb 23, 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