Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
47°F
8°C
| Humidity | 50% |
| Wind Speed | N 3 mph |
| Barometer | 30.09 in (1018.9 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 13 Mar 11:52 pm CDT |
Extended Forecast for
Anna IL
Overnight

Low: 39 °F
Mostly Clear
Saturday

High: 68 °F
Sunny
Saturday Night

Low: 54 °F
Partly Cloudy
Sunday
High: 71 °F
Breezy.
Mostly Cloudy
then Showers
LikelySunday Night
Low: 25 °F
Breezy.
Showers then
Rain/SnowMonday
High: 33 °F
Mostly Cloudy
and Breezy
then Mostly
CloudyMonday Night

Low: 16 °F
Mostly Clear
Tuesday

High: 38 °F
Sunny
Tuesday Night

Low: 29 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 39. Northeast wind around 6 mph.
Saturday
Sunny, with a high near 68. East northeast wind 7 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 54. South wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 18 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before 1am, then a slight chance of snow showers. Some thunder is also possible. Low around 25. Breezy, with a south wind 20 to 23 mph becoming west northwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%.
Monday
Mostly cloudy, with a high near 33. Breezy, with a west northwest wind 18 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 16. West northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 38. West northwest wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 29. South wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 58. South wind 13 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 41. South southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 70. Southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 48. South wind around 6 mph.
Friday
Sunny, with a high near 71. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
12:26 am CDT Mar 14, 2026
12am CDT Mar 14, 2026-6pm CDT Mar 20, 2026



