Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

24°F

-4°C

Humidity 71%
Wind Speed S 7 mph
Barometer 30.18 in (1022.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 24 Feb 6:52 am CST
Extended Forecast for

2 Miles N Saint Johns IL

  • Today

    Today: Partly sunny, with a high near 49. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 49 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. South southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54. Light and variable wind becoming north northwest around 5 mph.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 38. East wind 3 to 8 mph.

    Low: 38 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before noon.  Partly sunny, with a high near 52. East northeast wind 6 to 9 mph becoming north in the afternoon.

    High: 52 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South southwest wind 6 to 8 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67. South southwest wind 6 to 10 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 49. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Mostly cloudy, with a low around 37. South southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly cloudy, with a high near 54. Light and variable wind becoming north northwest around 5 mph.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 38. East wind 3 to 8 mph.
Thursday
A 30 percent chance of showers before noon. Partly sunny, with a high near 52. East northeast wind 6 to 9 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 61. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 67. South southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 33. South wind around 10 mph becoming north after midnight.
Sunday
A slight chance of showers. Partly sunny, with a high near 48. Northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33. East northeast wind around 10 mph.
Monday
A chance of showers. Partly sunny, with a high near 52. East southeast wind around 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Saint Johns IL
 38.06°N 89.24°W
5:26 am CST Feb 24, 2026
7am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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