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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

56°F

13°C

Humidity 44%
Wind Speed Calm
Barometer 29.79 in (1008.7 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Last update 13 Jan 8:52 pm CST
Extended Forecast for

5 Miles NNE Wolf Lake IL

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 2am. Cloudy, with a low around 40. West wind 6 to 9 mph. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 33 by 5pm. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 43 °F⇓

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. North northwest wind 8 to 13 mph, with gusts as high as 26 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 33. North northwest wind around 7 mph becoming south southwest in the afternoon.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. South wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46. West wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. West northwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14. Northwest wind around 9 mph.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly between 11pm and 2am. Cloudy, with a low around 40. West wind 6 to 9 mph. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 33 by 5pm. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 19. North northwest wind 8 to 13 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 33. North northwest wind around 7 mph becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 26. South wind 6 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 46. West wind 11 to 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 22. West northwest wind around 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 30. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 14. Northwest wind around 9 mph.
Sunday
Sunny, with a high near 31. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 19. West southwest wind around 9 mph.
M.L.King Day
Sunny, with a high near 36. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 14. North northwest wind around 7 mph.
Tuesday
Sunny, with a high near 33. North northwest wind 6 to 8 mph becoming south in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Wolf Lake IL
 37.59°N 89.41°W
Last Update:
8:16 pm CST Jan 13, 2026
Forecast Valid:
9pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation