Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Light Snow Fog/Mist
11°F
-12°C
| Humidity | 84% |
| Wind Speed | NE 12 G 21 mph |
| Barometer | 30.33 in (1027.9 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 1.25 mi |
| Wind Chill | -4°F (-20°C) |
| Last update | 24 Jan 5:52 pm CST |
Extended Forecast for
2 Miles N Saint Johns IL
Cold Weather Advisory January 24, 06:51pm until January 26, 12:00am
Extreme Cold Warning January 26, 12:00am until January 27, 10:00am
Winter Storm Warning January 24, 06:51pm until January 25, 06:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 12 °F
Heavy Snow
Sunday
High: 16 °F
Snow
Sunday Night
Low: -4 °F
Gradual
ClearingMonday
High: 13 °F
Sunny
Monday Night
Low: 0 °F
Clear
Tuesday
High: 28 °F
Sunny
Tuesday Night
Low: 4 °F
Partly Cloudy
Wednesday
High: 24 °F
Partly Sunny
Detailed Forecast
Tonight
Snow. The snow could be heavy at times. Low around 12. Wind chill values as low as -1. Light east northeast wind becoming north northeast 6 to 11 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 4pm. High near 16. Wind chill values as low as -3. North wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around -4. Wind chill values as low as -18. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 13. Wind chill values as low as -19. Northwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 0. Light southwest wind becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 28. South southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 4. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 24. Calm wind becoming west 5 to 7 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 1. West southwest wind around 6 mph becoming north northwest after midnight.
Thursday
Partly sunny, with a high near 17. Northwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 1. North northwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 20. North northwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 2. Calm wind becoming north northwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 22. West northwest wind 5 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles N Saint Johns IL
38.06°N 89.24°W
38.06°N 89.24°W
6:27 pm CST Jan 24, 2026
6pm CST Jan 24, 2026-6pm CST Jan 31, 2026
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