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

75°F

24°C

Humidity 55%
Wind Speed S 8 mph
Barometer 29.89 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 6:35 pm CDT
Extended Forecast for

Lake Summerset IL

  • Tonight

    Tonight: Increasing clouds, with a low around 62. South wind 5 to 10 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Southwest wind 10 to 15 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly between 10pm and 1am. Partly cloudy, with a low around 57. North wind around 5 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. South wind 5 to 10 mph.
Columbus Day
Sunny, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 66. Southwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 79. West northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely, mainly between 10pm and 1am. Partly cloudy, with a low around 57. North wind around 5 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 69.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 57. Breezy.
Friday Night
Partly cloudy, with a low around 34. Breezy.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 60. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Summerset IL
 42.46°N 89.4°W
Last Update:
3:36 pm CDT Oct 11, 2026
Forecast Valid:
6pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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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