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 Chill | 51°F (11°C) |
| Last update | 25 Nov 3:52 am CST |
Extended Forecast for
2 Miles N Saint Johns IL
Overnight

Low: 51 °F
Showers
Tuesday

High: 61 °F
Chance
ShowersTuesday Night

Low: 37 °F
Mostly Cloudy
Wednesday
High: 46 °F
Mostly Sunny
and Breezy
then SunnyWednesday Night

Low: 29 °F
Partly Cloudy
Thanksgiving Day

High: 43 °F
Sunny
Thursday Night

Low: 21 °F
Mostly Clear
Friday

High: 41 °F
Mostly Sunny
Friday Night
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.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles N Saint Johns IL
38.06°N 89.24°W
38.06°N 89.24°W
3:41 am CST Nov 25, 2025
3am CST Nov 25, 2025-6pm CST Dec 1, 2025



