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

34°F

1°C

Humidity 48%
Wind Speed SE 8 mph
Barometer 30.20 in (1023.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 17 Mar 11:52 pm CDT
Extended Forecast for

2 Miles NNW Wolf Lake IL

  • Overnight

    Overnight: Mostly cloudy, with a temperature rising to around 38 by 5am. Light southeast wind becoming south 6 to 11 mph. Winds could gust as high as 20 mph.

    Low: 34 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 63. South wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 63 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 74. South wind around 6 mph becoming west southwest in the afternoon.

    High: 74 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northwest wind around 5 mph becoming light and variable in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Southwest wind around 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. West wind 3 to 7 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. South wind around 7 mph.

    Low: 56 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a temperature rising to around 38 by 5am. Light southeast wind becoming south 6 to 11 mph. Winds could gust as high as 20 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 63. South wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Increasing clouds, with a low around 43. South wind around 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 74. South wind around 6 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 49. Northwest wind around 5 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 55. Southwest wind around 6 mph.
Saturday
Sunny, with a high near 80. West wind 3 to 7 mph.
Saturday Night
Clear, with a low around 56. South wind around 7 mph.
Sunday
Sunny, with a high near 83. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 41. North wind 11 to 14 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 57. Northeast wind around 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 37. Northeast wind 6 to 8 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 61. East wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Wolf Lake IL
 37.57°N 89.46°W
Last Update:
12:21 am CDT Mar 18, 2026
Forecast Valid:
12am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

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