Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Light Rain
50°F
10°C
| Humidity | 86% |
| Wind Speed | NW 14 mph |
| Barometer | 29.92 in (1012.9 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 11 Mar 2:52 pm CDT |
Extended Forecast for
2 Miles N Saint Johns IL
This Afternoon

High: 47 °F
Slight Chance
T-storms and
BreezyTonight
Low: 31 °F
Mostly Cloudy
and Blustery
then Partly
CloudyThursday

High: 54 °F
Sunny
Thursday Night

Low: 41 °F
Mostly Clear
Friday

High: 63 °F
Partly Sunny
Friday Night

Low: 36 °F
Partly Cloudy
Saturday

High: 63 °F
Mostly Sunny
Saturday Night

Low: 50 °F
Mostly Cloudy
Sunday

High: 68 °F
Showers
Likely and
Breezy
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms before 4pm. Cloudy, with a steady temperature around 47. Breezy, with a north northwest wind 17 to 20 mph, with gusts as high as 30 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a north northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 54. Light and variable wind becoming west 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 41. South wind 9 to 18 mph, with gusts as high as 29 mph.
Friday
Partly sunny, with a high near 63. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 36. Northwest wind around 6 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 63. East northeast wind 6 to 10 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50. East southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
A chance of showers and thunderstorms, then showers likely after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 15 to 23 mph, with gusts as high as 33 mph.
Sunday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 21 to 24 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 38. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 18. North northwest wind 5 to 13 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 42. North northwest wind 6 to 8 mph becoming south southwest 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
1:26 pm CDT Mar 11, 2026
3pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026



