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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

28°F

-2°C

Humidity 51%
Wind Speed NW 9 mph
Barometer 30.46 in (1032.0 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 22 Feb 8:52 pm CST
Extended Forecast for

2 Miles ESE Grand Tower IL

  • Tonight

    Tonight: Partly cloudy, with a low around 15. North northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 34. North northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 34 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Calm wind becoming south around 6 mph after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 50 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. Southwest wind around 6 mph becoming south southeast in the afternoon.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 41. South southeast wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 41 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly before noon. Partly sunny, with a high near 53. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 15. North northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 34. North northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 19. Calm wind becoming south around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 50. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Partly sunny, with a high near 58. Southwest wind around 6 mph becoming south southeast in the afternoon.
Wednesday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 41. South southeast wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 60%.
Thursday
A chance of showers, mainly before noon. Partly sunny, with a high near 53. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 30. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 59. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 38. South wind around 7 mph.
Saturday
Sunny, with a high near 64. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 34. South southwest wind around 10 mph becoming north after midnight.
Sunday
A slight chance of showers. Partly sunny, with a high near 52. Northeast wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Grand Tower IL
 37.62°N 89.46°W
Last Update:
8:37 pm CST Feb 22, 2026
Forecast Valid:
9pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation