Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Partly Cloudy
66°F
19°C
| Humidity | 90% |
| Wind Speed | SW 9 mph |
| Barometer | 29.92 in (1013.1 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 2:52 am CDT |
Extended Forecast for
Anna IL
Overnight

Low: 62 °F
Cloudy
Tuesday

High: 78 °F
Mostly Cloudy
Tuesday Night
Low: 65 °F
Slight Chance
T-storms then
Chance
T-stormsWednesday
High: 71 °F
Showers
Likely then
ShowersWednesday Night
Low: 36 °F
Showers
Likely and
Breezy then
Slight Chance
ShowersThursday

High: 54 °F
Sunny
Thursday Night

Low: 41 °F
Partly Cloudy
Friday

High: 64 °F
Partly Sunny
Friday Night

Low: 42 °F
Mostly Clear
Detailed Forecast
Overnight
Cloudy, with a low around 62. South southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 78. South southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after midnight. Cloudy, with a low around 65. South southwest wind around 16 mph, with gusts as high as 26 mph.
Wednesday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 71. Southwest wind 15 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 36. Breezy, with a north wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 54. North wind around 7 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. South wind 6 to 15 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 64. South southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 42. South southwest wind around 6 mph becoming northeast in the evening.
Saturday
Sunny, with a high near 69. East southeast wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 55. South wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 67. Breezy, with a south southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Northwest wind 15 to 18 mph, with gusts as high as 28 mph.
Monday
A slight chance of snow showers. Mostly sunny, with a high near 39. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
2:26 am CDT Mar 10, 2026
2am CDT Mar 10, 2026-6pm CDT Mar 16, 2026


