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.

Overcast

39°F

4°C

Humidity 100%
Wind Speed SW 15 G 26 mph
Barometer 29.99 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 21 Jan 5:55 pm EST
Extended Forecast for

Mason OH

  • Tonight

    Tonight: A slight chance of rain and snow before 8pm.  Cloudy, then gradually becoming partly cloudy, with a low around 25. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. Southwest wind 3 to 6 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 21. Northwest wind around 10 mph.

    High: 21 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. North wind around 9 mph.

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after 1pm.  Cloudy, with a high near 14. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 14 °F

    Slight Chance
    Snow then
    Snow Likely

  • Saturday Night

    Saturday Night: Snow.  Low around 12. Chance of precipitation is 90%.

    Low: 12 °F

    Snow

  • Sunday

    Sunday: Snow likely, mainly before 1pm.  Cloudy, with a high near 20. Chance of precipitation is 60%.

    High: 20 °F

    Snow Likely

  • Sunday Night

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

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 25. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 33. West wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 15. Southwest wind 3 to 6 mph.
Friday
Mostly cloudy, with a high near 21. Northwest wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 6. North wind around 9 mph.
Saturday
Snow likely, mainly after 1pm. Cloudy, with a high near 14. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow. Low around 12. Chance of precipitation is 90%.
Sunday
Snow likely, mainly before 1pm. Cloudy, with a high near 20. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Partly sunny, with a high near 16.
Monday Night
Partly cloudy, with a low around 0.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason OH
 39.35°N 84.3°W (Elev. 758 ft)
4:00 pm EST Jan 21, 2026
6pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database