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

33°F

1°C

Humidity 41%
Wind Speed NW 10 mph
Barometer 30.53 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 27 Mar 10:35 pm CDT
Extended Forecast for

Lake Summerset IL

  • Tonight

    Tonight: Clear, with a low around 21. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 49 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 71. Breezy.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 21. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 49. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 37. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 63. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 74.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 71. Breezy.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 45.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Summerset IL
 42.44°N 89.4°W
Last Update:
8:41 pm CDT Mar 27, 2026
Forecast Valid:
10pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation