Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Delaware Municipal Airport (KDLZ)

Lat: 40.28°NLon: 83.11°WElev: 945ft.

Fair

14°F

-10°C

Humidity 52%
Wind Speed S 7 mph
Barometer 30.37 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 20 Jan 6:55 pm EST
Extended Forecast for

5 Miles S Marengo OH

  • Tonight

    Tonight: Increasing clouds, with a low around 12. Wind chill values as low as zero. South wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 12 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of snow, mainly between 7am and 1pm.  Mostly cloudy, with a high near 37. South wind 14 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Scattered flurries before 3am.  Mostly cloudy, with a low around 24. Southwest wind around 15 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Scattered
    Flurries

  • Thursday

    Thursday: Partly sunny, with a high near 30. West wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11. West wind 7 to 10 mph.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 14.

    High: 14 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 12.

    High: 12 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow.  Mostly cloudy, with a low around 8. Chance of precipitation is 50%.

    Low: 8 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 12. Wind chill values as low as zero. South wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday
A chance of snow, mainly between 7am and 1pm. Mostly cloudy, with a high near 37. South wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Scattered flurries before 3am. Mostly cloudy, with a low around 24. Southwest wind around 15 mph, with gusts as high as 26 mph.
Thursday
Partly sunny, with a high near 30. West wind 11 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 11. West wind 7 to 10 mph.
Friday
Mostly cloudy, with a high near 14.
Friday Night
Mostly cloudy, with a low around -1.
Saturday
Mostly cloudy, with a high near 12.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 50%.
Sunday
A chance of snow before 1pm. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 18.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Marengo OH
 40.32°N 82.81°W (Elev. 1096 ft)
6:25 pm EST Jan 20, 2026
7pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database