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.

Partly Cloudy

66°F

19°C

Humidity 37%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 28 Feb 3:52 pm CST
Extended Forecast for

2 Miles NNW Wolf Lake IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 5pm. Mostly cloudy, with a steady temperature around 68. South southwest wind around 6 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind 5 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 51. North northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 51 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight. Cloudy, with a low around 37. East northeast wind 7 to 9 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before noon. Cloudy, with a high near 49. East wind around 7 mph. Chance of precipitation is 60%.

    High: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 44. East wind 6 to 9 mph becoming south after midnight.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 71. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 71 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 58. South wind 7 to 10 mph.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 5pm. Mostly cloudy, with a steady temperature around 68. South southwest wind around 6 mph.
Tonight
A 20 percent chance of showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind 5 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
Increasing clouds, with a high near 51. North northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
Showers likely, mainly after midnight. Cloudy, with a low around 37. East northeast wind 7 to 9 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly before noon. Cloudy, with a high near 49. East wind around 7 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44. East wind 6 to 9 mph becoming south after midnight.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 71. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58. South wind 7 to 10 mph.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South southwest wind around 9 mph.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind 7 to 9 mph.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. South southwest wind 8 to 14 mph, with gusts as high as 21 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:
3:51 pm CST Feb 28, 2026
Forecast Valid:
4pm CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation