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

Monroe Municipal Airport (KEFT)

Lat: 42.62°NLon: 89.59°WElev: 1082ft.

Fair

40°F

4°C

Humidity 71%
Wind Speed SW 12 mph
Barometer 29.99 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Jan 4:55 pm CST
Extended Forecast for

Lake Summerset IL

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 51 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 25. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 25 °F

    Partly Sunny
    and Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Cloudy, with a high near 31.

    High: 31 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 34. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 51. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny, with a high near 25. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 11. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 25.
Thursday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Friday
Snow likely. Cloudy, with a high near 31.
Friday Night
A chance of snow. Mostly cloudy, with a low around 12.
Saturday
A chance of snow. Mostly cloudy, with a high near 16.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around 4.
M.L.King Day
Partly sunny, with a high near 18.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Summerset IL
 42.46°N 89.37°W
Last Update:
4:41 pm CST Jan 12, 2026
Forecast Valid:
5pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation