Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
20°F
-7°C
| Humidity | 85% |
| Wind Speed | NW 3 mph |
| Barometer | 30.18 in (1022.4 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 9.00 mi |
| Last update | 5 Dec 1:52 am CST |
Extended Forecast for
Anna ILSimilar City Names
Overnight

Low: 22 °F
Mostly Cloudy
Friday

High: 40 °F
Sunny
Friday Night

Low: 27 °F
Increasing
CloudsSaturday

High: 44 °F
Partly Sunny
Saturday Night
Low: 31 °F
Mostly Cloudy
then Slight
Chance
ShowersSunday
High: 45 °F
Slight Chance
Showers then
Mostly CloudySunday Night
Low: 20 °F
Slight Chance
Rain/Snow
then Mostly
CloudyMonday

High: 35 °F
Mostly Sunny
Monday Night

Low: 24 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 22. Calm wind.
Friday
Sunny, with a high near 40. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 27. South southwest wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 44. Calm wind.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 31. Light east southeast wind.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 45. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Sunday Night
A slight chance of rain showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Mostly cloudy, with a low around 20. North wind 6 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 35. North wind around 6 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 8 mph after midnight.
Tuesday
Sunny, with a high near 46. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 50. South southwest wind 9 to 14 mph becoming west 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 24. Northwest wind around 8 mph.
Thursday
Partly sunny, with a high near 36. Northwest wind 6 to 8 mph becoming south in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Anna ILSimilar City Names
37.45°N 89.24°W
37.45°N 89.24°W
1:31 am CST Dec 5, 2025
2am CST Dec 5, 2025-6pm CST Dec 11, 2025


