Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
50°F
10°C
| Humidity | 54% |
| Wind Speed | NE 3 mph |
| Barometer | 29.79 in |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 25 Feb 5:52 pm CST |
Extended Forecast for
Anna IL
Tonight
Low: 39 °F
Slight Chance
Showers then
Showers
LikelyThursday

High: 56 °F
Partly Sunny
Thursday Night

Low: 36 °F
Mostly Clear
Friday

High: 64 °F
Sunny
Friday Night

Low: 42 °F
Clear
Saturday

High: 67 °F
Sunny
Saturday Night
Low: 36 °F
Slight Chance
Showers then
Mostly CloudySunday
High: 51 °F
Mostly Cloudy
then Chance
ShowersSunday Night
Low: 35 °F
Chance
Showers then
Rain/Snow
Likely
Detailed Forecast
Tonight
Showers likely, mainly between 3am and 5am. Mostly cloudy, with a low around 39. East northeast wind around 6 mph. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 56. East northeast wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 36. Calm wind.
Friday
Sunny, with a high near 64. Calm wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 42. South southwest wind around 6 mph.
Saturday
Sunny, with a high near 67. South southwest wind 5 to 9 mph.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. South southwest wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Sunday
A chance of showers after noon. Mostly cloudy, with a high near 51. East northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
A chance of rain showers before midnight, then rain likely, possibly mixed with snow showers. Cloudy, with a low around 35. Northeast wind around 10 mph.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Cloudy, with a high near 45. Northeast wind around 10 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers. Cloudy, with a low around 33. East northeast wind around 8 mph.
Tuesday
A chance of showers. Cloudy, with a high near 50. East wind 6 to 8 mph becoming west southwest in the afternoon.
Tuesday Night
A chance of showers. Cloudy, with a low around 38. North wind around 7 mph becoming east northeast after midnight.
Wednesday
A chance of showers. Mostly cloudy, with a high near 56. East wind around 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
2:36 pm CST Feb 25, 2026
6pm CST Feb 25, 2026-6pm CST Mar 4, 2026


