Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy and Breezy

39°F

4°C

Humidity 76%
Wind Speed S 21 G 28 mph
Barometer 30.00 in (1016.4 mb)
Dewpoint 32°F (0°C)
Visibility 8.00 mi
Wind Chill29°F (-2°C)
Last update 9 Dec 10:52 am CST
Extended Forecast for

2 Miles N Saint Johns IL

  • Today

    Today: Partly sunny, with a high near 47. South southwest wind 11 to 17 mph, with gusts as high as 32 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 49 by 3am. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 38 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy
    then Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 37 by 5pm. Breezy, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 48 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph becoming light west northwest  after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 41. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 41 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. East southeast wind 5 to 7 mph.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46. Southeast wind 7 to 10 mph becoming northwest in the afternoon.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. North northwest wind 7 to 9 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32. North wind 6 to 8 mph.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 47. South southwest wind 11 to 17 mph, with gusts as high as 32 mph.
Tonight
Mostly cloudy, with a temperature rising to around 49 by 3am. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 38 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 37 by 5pm. Breezy, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 38 mph.
Wednesday Night
Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
Mostly cloudy, with a high near 41. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 31. East southeast wind 5 to 7 mph.
Friday
Partly sunny, with a high near 46. Southeast wind 7 to 10 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 20. North northwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 32. North wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 11. North wind around 7 mph.
Sunday
Mostly sunny, with a high near 25. North wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 15. North northeast wind around 6 mph becoming southeast after midnight.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 36. South wind 6 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Saint Johns IL
 38.06°N 89.24°W
10:31 am CST Dec 9, 2025
11am CST Dec 9, 2025-6pm CST Dec 15, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database