Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
33°F
1°C
| Humidity | 61% |
| Wind Speed | W 9 mph |
| Barometer | 29.93 in (1013.9 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 17 Jan 12:52 am CST |
Extended Forecast for
Anna IL
Overnight
Low: 24 °F
Slight Chance
Snow ShowersSaturday
High: 31 °F
Slight Chance
Snow ShowersSaturday Night
Low: 13 °F
Mostly Clear
Sunday
High: 30 °F
Sunny
Sunday Night
Low: 17 °F
Partly Cloudy
M.L.King Day
High: 25 °F
Mostly Sunny
Monday Night
Low: 11 °F
Mostly Clear
Tuesday
High: 35 °F
Sunny
Tuesday Night
Low: 28 °F
Mostly Clear
Detailed Forecast
Overnight
A slight chance of snow showers before 2am, then a chance of flurries between 2am and 5am. Partly cloudy, with a low around 24. Northwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
A chance of flurries with a slight chance of snow showers before 1pm, then a chance of flurries between 1pm and 2pm. Partly sunny, with a high near 31. Light west northwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 13. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 30. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 17. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
M.L.King Day
Mostly sunny, with a high near 25. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 11. Light and variable wind.
Tuesday
Sunny, with a high near 35. Light southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 28. South wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 45. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. Southwest wind around 6 mph becoming north after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 36. North wind around 7 mph.
Thursday Night
A slight chance of snow showers. Partly cloudy, with a low around 20. North northeast wind around 6 mph becoming east after midnight.
Friday
A slight chance of showers. Mostly sunny, with a high near 38. East wind 6 to 8 mph becoming south southwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
12:41 am CST Jan 17, 2026
1am CST Jan 17, 2026-6pm CST Jan 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
