Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair and Breezy
56°F
13°C
| Humidity | 27% |
| Wind Speed | W 23 G 36 mph |
| Barometer | 29.59 in (1001.7 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Last update | 20 Feb 12:52 am CST |
Extended Forecast for
Anna IL
Overnight
Low: 36 °F
Mostly Clear
Friday
High: 50 °F
Sunny
Friday Night
Low: 32 °F
Mostly Cloudy
then Slight
Chance
ShowersSaturday
High: 43 °F
Slight Chance
Snow Showers
then Mostly
SunnySaturday Night
Low: 24 °F
Mostly Clear
Sunday
High: 39 °F
Sunny
Sunday Night
Low: 17 °F
Clear
Monday
High: 34 °F
Sunny
Monday Night
Low: 18 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 36. West wind 9 to 11 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 50. West wind 5 to 10 mph becoming light northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 32. Calm wind becoming north northeast around 6 mph after midnight.
Saturday
A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 43. North northeast wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 24. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 39. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 17. North northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 34. North northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 18. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 46. South southwest wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind around 14 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 36. Southwest wind 6 to 9 mph becoming north northwest after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 55. North northwest wind 6 to 9 mph becoming east northeast in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
1:12 am CST Feb 20, 2026
1am CST Feb 20, 2026-6pm CST Feb 26, 2026
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