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.

Fair

72°F

22°C

Humidity 73%
Wind Speed S 13 G 24 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Apr 12:52 am CDT
Extended Forecast for

2 Miles NNW Wolf Lake IL

  • Overnight

    Overnight: Partly cloudy, with a low around 70. South southwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers between 3am and 4am. Partly cloudy, with a low around 68. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 81. South southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 62. South southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. South southwest wind around 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 87. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers between 3am and 4am. Partly cloudy, with a low around 68. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 81. South southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 62. South southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. South wind around 11 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. South southwest wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 44. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 69. Northwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 43. Northwest wind 5 to 8 mph becoming east northeast after midnight.
Monday
Sunny, with a high near 71. East southeast wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Wolf Lake IL
 37.57°N 89.46°W
Last Update:
1:26 am CDT Apr 14, 2026
Forecast Valid:
1am CDT Apr 14, 2026-6pm CDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation