Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
50°F
10°C
| Humidity | 62% |
| Wind Speed | E 9 mph |
| Barometer | 29.89 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 26 Feb 10:52 am CST |
Extended Forecast for
Anna IL
Today

High: 57 °F
Sunny
Tonight
Low: 35 °F
Clear then
Patchy FogFriday
High: 66 °F
Patchy Fog
then SunnyFriday Night

Low: 43 °F
Clear
Saturday

High: 67 °F
Sunny
Saturday Night
Low: 36 °F
Mostly Clear
then Slight
Chance
ShowersSunday

High: 45 °F
Chance
ShowersSunday Night

Low: 32 °F
Wintry Mix
LikelyMonday
High: 43 °F
Chance
Rain/Snow
then Slight
Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 57. North northeast wind 3 to 7 mph.
Tonight
Patchy fog after 5am. Otherwise, clear, with a low around 35. Light and variable wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 43. South southwest wind around 6 mph becoming west northwest after midnight.
Saturday
Sunny, with a high near 67. Northwest wind 5 to 9 mph becoming east southeast in the morning.
Saturday Night
A 20 percent chance of showers after midnight. Mostly clear, 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 40 percent chance of showers. Mostly cloudy, with a high near 45. Northeast wind around 11 mph, with gusts as high as 20 mph.
Sunday Night
Rain and snow showers likely before midnight, then rain showers, snow showers, and freezing rain likely. Cloudy, with a low around 32. Northeast wind around 10 mph, with gusts as high as 18 mph.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Cloudy, with a high near 43. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 32. Northeast wind 6 to 8 mph.
Tuesday
A chance of showers. Cloudy, with a high near 49. Northeast wind around 8 mph becoming southwest in the afternoon.
Tuesday Night
A chance of showers. Cloudy, with a low around 36. North wind around 7 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 55. East wind 6 to 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
10:42 am CST Feb 26, 2026
11am CST Feb 26, 2026-6pm CST Mar 4, 2026


