Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
28°F
-2°C
| Humidity | 43% |
| Wind Speed | S 17 mph |
| Barometer | 30.05 in (1018.3 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 18 Jan 2:52 pm CST |
Extended Forecast for
Anna IL
This Afternoon

High: 30 °F
Mostly Sunny
Tonight

Low: 16 °F
Partly Cloudy
M.L.King Day

High: 20 °F
Increasing
CloudsMonday Night

Low: 12 °F
Mostly Clear
Tuesday

High: 35 °F
Sunny
Tuesday Night

Low: 26 °F
Partly Cloudy
Wednesday

High: 44 °F
Slight Chance
ShowersWednesday Night

Low: 24 °F
Partly Cloudy
Thursday

High: 37 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 30. Southwest wind around 10 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 16. Southwest wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.
M.L.King Day
Increasing clouds, with a steady temperature around 20. Northwest wind 8 to 13 mph becoming light in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 12. Calm wind.
Tuesday
Sunny, with a high near 35. Calm wind becoming south southwest 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 26. South wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 44. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 24. Southwest wind around 6 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 37. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 23. Calm wind becoming south around 6 mph after midnight.
Friday
Partly sunny, with a high near 40. South southwest wind 6 to 9 mph becoming northeast in the afternoon.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 21. North northeast wind 7 to 10 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. North northeast wind around 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
2:21 pm CST Jan 18, 2026
3pm CST Jan 18, 2026-6pm CST Jan 24, 2026



