Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Light Rain Fog/Mist

53°F

12°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 53°F (12°C)
Visibility 6.00 mi
Wind Chill51°F (11°C)
Last update 25 Nov 3:52 am CST
Extended Forecast for

2 Miles N Saint Johns IL

  • Overnight

    Overnight: Showers, mainly before 5am.  Low around 51. South wind 3 to 6 mph.  Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am, then a slight chance of showers after 3pm.  Cloudy, with a high near 61. Light and variable wind becoming west 5 to 9 mph in the morning.  Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. West wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 33 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Breezy, with a west wind 13 to 20 mph, with gusts as high as 32 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West northwest wind 6 to 10 mph.

    Low: 29 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 43. West northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 41. Calm wind becoming south around 5 mph.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow showers after midnight.  Mostly cloudy, with a low around 31. Calm wind becoming southeast 5 to 8 mph after midnight.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Showers, mainly before 5am. Low around 51. South wind 3 to 6 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers before 8am, then a slight chance of showers after 3pm. Cloudy, with a high near 61. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 37. West wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 33 mph.
Wednesday
Mostly sunny, with a high near 46. Breezy, with a west wind 13 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind 6 to 10 mph.
Thanksgiving Day
Sunny, with a high near 43. West northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 21. West northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 41. Calm wind becoming south around 5 mph.
Friday Night
A chance of rain and snow showers after midnight. Mostly cloudy, with a low around 31. Calm wind becoming southeast 5 to 8 mph after midnight.
Saturday
Rain likely, possibly mixed with snow showers. Cloudy, with a high near 43. South southeast wind around 10 mph.
Saturday Night
Showers likely. Cloudy, with a low around 31. South southeast wind 7 to 9 mph becoming northwest after midnight.
Sunday
A chance of showers. Mostly cloudy, with a high near 44. Northwest wind 9 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 30. Southeast wind 7 to 9 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 44. South wind around 10 mph becoming north in the afternoon.
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
3:41 am CST Nov 25, 2025
3am CST Nov 25, 2025-6pm CST Dec 1, 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