Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

39°F

4°C

Humidity 89%
Wind Speed SW 5 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 36°F (2°C)
Visibility 3.00 mi
Wind Chill35°F (2°C)
Last update 7 Dec 7:52 am CST
Extended Forecast for

2 Miles N Saint Johns IL

  • Today

    Today: A slight chance of drizzle before 5pm.  Mostly cloudy, with a high near 46. Light and variable wind becoming north 8 to 13 mph in the morning.

    High: 46 °F

    Slight Chance
    Drizzle

  • Tonight

    Tonight: Cloudy, with a low around 25. North wind 8 to 13 mph.

    Low: 25 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 5 to 7 mph becoming calm  in the afternoon.

    High: 37 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. Light south wind becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 18 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. South southwest wind 13 to 16 mph, with gusts as high as 23 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. South southwest wind around 17 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. Southwest wind 7 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight, then a slight chance of rain and snow.  Mostly cloudy, with a low around 29. Northwest wind around 6 mph becoming light and variable.

    Low: 29 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow.  Mostly cloudy, with a high near 39. East wind 6 to 9 mph becoming north in the afternoon.

    High: 39 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A slight chance of drizzle before 5pm. Mostly cloudy, with a high near 46. Light and variable wind becoming north 8 to 13 mph in the morning.
Tonight
Cloudy, with a low around 25. North wind 8 to 13 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 26. Light south wind becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 50. South southwest wind 13 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southwest wind around 17 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 51. Southwest wind 7 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 29. Northwest wind around 6 mph becoming light and variable.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 39. East wind 6 to 9 mph becoming north in the afternoon.
Thursday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 19. North northwest wind 6 to 10 mph.
Friday
Mostly sunny, with a high near 28. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 8. Northwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 24. West northwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Saint Johns IL
 38.06°N 89.24°W
7:21 am CST Dec 7, 2025
7am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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Additional Resources

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