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

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

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Hardin County Airport (KI95)

Lat: 40.61°NLon: 83.64°WElev: 1029ft.

Overcast

18°F

-8°C

Humidity 68%
Wind Speed S 13 mph
Barometer 30.15 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 21 Jan 5:15 am EST
Extended Forecast for

Roundhead OH

  • Overnight

    Overnight: A slight chance of snow. Cloudy, with a steady temperature around 21. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow between 7am and 3pm. Mostly cloudy, with a high near 36. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. West wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7. West wind 6 to 11 mph.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 12.

    High: 12 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -4.

    Low: -4 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 8.

    High: 8 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 50%.

    Low: 4 °F

    Chance Snow

Detailed Forecast

Overnight
A slight chance of snow. Cloudy, with a steady temperature around 21. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
A chance of snow between 7am and 3pm. Mostly cloudy, with a high near 36. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 21. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 26. West wind 14 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 7. West wind 6 to 11 mph.
Friday
Mostly cloudy, with a high near 12.
Friday Night
Mostly cloudy, with a low around -4.
Saturday
Partly sunny and cold, with a high near 8.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 50%.
Sunday
A chance of snow. Mostly cloudy, with a high near 15. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 16.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roundhead OH
 40.58°N 83.83°W (Elev. 1001 ft)
Last Update:
4:00 am EST Jan 21, 2026
Forecast Valid:
5am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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