Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fog/Mist
37°F
3°C
| Humidity | 89% |
| Wind Speed | S 8 mph |
| Barometer | 29.98 in (1015.6 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 5.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 6 Dec 7:52 pm CST |
Extended Forecast for
Anna IL
Tonight
Low: 34 °F
Patchy Fog
then Slight
Chance
Drizzle and
Patchy FogSunday
High: 45 °F
Slight Chance
Drizzle and
Patchy FogSunday Night
Low: 25 °F
Mostly Cloudy
Monday
High: 37 °F
Decreasing
CloudsMonday Night
Low: 25 °F
Partly Cloudy
Tuesday
High: 46 °F
Mostly Sunny
Tuesday Night
Low: 41 °F
Mostly Cloudy
Wednesday
High: 51 °F
Partly Sunny
Wednesday Night
Low: 29 °F
Slight Chance
Showers
Detailed Forecast
Tonight
A slight chance of drizzle after 4am. Patchy fog before 11pm, then patchy fog after 1am. Otherwise, cloudy, with a low around 34. South wind 3 to 5 mph.
Sunday
A slight chance of drizzle. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 45. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 25. North wind 8 to 10 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 25. Calm wind becoming south southwest 5 to 9 mph after midnight.
Tuesday
Mostly sunny, with a high near 46. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southwest wind around 15 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 51. Southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 29. Northwest wind around 6 mph becoming east after midnight.
Thursday
A chance of showers, mainly before noon. Mostly cloudy, with a high near 40. East wind 6 to 9 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 23. Northwest wind around 8 mph.
Friday
Partly sunny, with a high near 31. North northwest wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 12. North northwest wind around 8 mph.
Saturday
Mostly sunny, with a high near 28. North northwest wind 6 to 8 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
5:11 pm CST Dec 6, 2025
8pm CST Dec 6, 2025-6pm CST Dec 13, 2025
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