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

22°F

-6°C

Humidity 65%
Wind Speed W 7 mph
Barometer 30.27 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 23 Feb 8:55 pm CST
Extended Forecast for

Lake Summerset IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Light west southwest wind becoming south 5 to 10 mph after midnight.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain showers between 2pm and 3pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 41. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%.

    High: 41 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 18. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. West northwest wind 5 to 15 mph.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20. West northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.

    Low: 20 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. Light west southwest wind becoming south 5 to 10 mph after midnight.
Tuesday
A slight chance of rain showers between 2pm and 3pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 41. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 18. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 31. West northwest wind 5 to 15 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. West northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 25.
Friday
Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
A chance of snow. Partly sunny, with a high near 29.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17.
Monday
A chance of snow. Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Summerset IL
 42.44°N 89.4°W
Last Update:
8:51 pm CST Feb 23, 2026
Forecast Valid:
9pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation