Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
53°F
12°C
| Humidity | 100% |
| Wind Speed | S 8 mph |
| Barometer | 29.67 in (1004.5 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 8.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 18 Feb 10:52 pm CST |
Extended Forecast for
Anna IL
Tonight
Low: 54 °F
Patchy Fog
Thursday
High: 70 °F
Showers
Likely and
Patchy FogThursday Night
Low: 41 °F
Mostly Clear
Friday
High: 56 °F
Sunny
Friday Night
Low: 34 °F
Mostly Cloudy
Saturday
High: 48 °F
Mostly Sunny
then Slight
Chance
ShowersSaturday Night
Low: 26 °F
Slight Chance
Showers then
Mostly ClearSunday
High: 41 °F
Sunny
Sunday Night
Low: 21 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54. South southwest wind around 6 mph.
Thursday
Showers and thunderstorms likely, mainly before 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 70. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 41. West southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 56. West wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 34. North wind 3 to 6 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 48. North wind 6 to 9 mph.
Saturday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 26. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 41. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 21. North northwest wind around 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 39. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 20. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 46. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 57. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
11:01 pm CST Feb 18, 2026
11pm CST Feb 18, 2026-6pm CST Feb 25, 2026
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