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

Warren County Airport (KI68)

Lat: 39.46°NLon: 84.25°WElev: 989ft.

Fair

19°F

-7°C

Humidity 58%
Wind Speed SE 8 mph
Barometer 30.25 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 21 Jan 2:35 am EST
Extended Forecast for

Mason OH

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. South wind around 10 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm.  Cloudy, with a high near 39. South wind 11 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 26. Southwest wind 11 to 13 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 34. West wind around 10 mph.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. West wind 3 to 6 mph.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 19.

    High: 19 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm.  Mostly cloudy, with a high near 14. Chance of precipitation is 40%.

    High: 14 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow likely.  Mostly cloudy, with a low around 10. Chance of precipitation is 70%.

    Low: 10 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. South wind around 10 mph.
Wednesday
A chance of rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm. Cloudy, with a high near 39. South wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 26. Southwest wind 11 to 13 mph.
Thursday
Mostly sunny, with a high near 34. West wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 13. West wind 3 to 6 mph.
Friday
Mostly cloudy, with a high near 19.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 14. Chance of precipitation is 40%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 10. Chance of precipitation is 70%.
Sunday
A chance of snow before 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Mostly sunny, with a high near 20.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mason OH
 39.35°N 84.3°W (Elev. 758 ft)
12:28 am EST Jan 21, 2026
2am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database