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 >

Current conditions at

Monroe Municipal Airport (KEFT)

Lat: 42.62°NLon: 89.59°WElev: 1082ft.

Light Snow

22°F

-6°C

Humidity 81%
Wind Speed SW 12 mph
Barometer 29.85 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 21 Jan 1:15 pm CST
Extended Forecast for

3 Miles S Dakota IL

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Winter Weather Advisory January 21, 05:00pm until January 22, 12:00am
Click here for hazard details and duration
Extreme Cold Watch
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Snow showers likely, mainly after 5pm.  Mostly cloudy, with a high near 25. Southwest wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly before 9pm.  Patchy blowing snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -10. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: A 20 percent chance of snow showers after noon.  Mostly sunny, with a high near 19. Wind chill values as low as -10. West wind around 15 mph, with gusts as high as 25 mph.

    High: 19 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -14. Wind chill values as low as -35. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: -14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -5.

    High: -5 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -15.

    Low: -15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 1.

    High: 1 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

Detailed Forecast

This Afternoon
Snow showers likely, mainly after 5pm. Mostly cloudy, with a high near 25. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely, mainly before 9pm. Patchy blowing snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -10. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 19. Wind chill values as low as -10. West wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -14. Wind chill values as low as -35. Northwest wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and cold, with a high near -5.
Friday Night
Mostly cloudy, with a low around -15.
Saturday
Partly sunny and cold, with a high near 1.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Partly sunny and cold, with a high near 10.
Sunday Night
Partly cloudy, with a low around -6.
Monday
Sunny, with a high near 13.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly sunny, with a high near 21.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Dakota IL
 42.34°N 89.53°W (Elev. 833 ft)
11:26 am CST Jan 21, 2026
1pm CST Jan 21, 2026-6pm CST 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