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

Dayton, Cox Dayton International Airport (KDAY)

Lat: 39.91°NLon: 84.22°WElev: 1007ft.

Overcast

22°F

-6°C

Humidity 46%
Wind Speed S 10 G 23 mph
Barometer 30.24 in (1025.6 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 21 Jan 2:56 am EST
Extended Forecast for

Cox Dayton International Airport OH

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. South wind around 14 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow, mainly between 9am and 2pm. Cloudy, with a high near 37. Breezy, with a south wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 30. West wind around 14 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: Partly sunny, with a high near 13.

    High: 13 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -2.

    Low: -2 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Mostly cloudy and cold, with a high near 10. Chance of precipitation is 30%.

    High: 10 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow likely. Mostly cloudy, with a low around 5. Chance of precipitation is 60%.

    Low: 5 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. South wind around 14 mph.
Wednesday
A chance of snow, mainly between 9am and 2pm. Cloudy, with a high near 37. Breezy, with a south wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 30. West wind around 14 mph.
Thursday Night
Mostly cloudy, with a low around 11. West wind 7 to 10 mph.
Friday
Partly sunny, with a high near 13.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
A chance of snow after 1pm. Mostly cloudy and cold, with a high near 10. Chance of precipitation is 30%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 5. Chance of precipitation is 60%.
Sunday
A chance of snow. Mostly cloudy, with a high near 15. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Mostly sunny, with a high near 16.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cox Dayton International Airport OH
 39.9°N 84.22°W (Elev. 994 ft)
Last Update:
12:28 am EST Jan 21, 2026
Forecast Valid:
3am 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