Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast and Breezy
67°F
19°C
| Humidity | 84% |
| Wind Speed | SW 22 G 40 mph |
| Barometer | 29.65 in (1003.6 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 28 Dec 11:52 am CST |
Extended Forecast for
Anna IL
Wind Advisory December 28, 06:00pm until December 29, 06:00am
This Afternoon

High: 68 °F
Severe
Thunderstorms
and BreezyTonight
Low: 21 °F
Blustery.
Heavy Rain
then Mostly
ClearMonday

High: 30 °F
Sunny
Monday Night

Low: 19 °F
Mostly Clear
Tuesday

High: 34 °F
Sunny
Tuesday Night

Low: 25 °F
Mostly Clear
Wednesday

High: 44 °F
Mostly Sunny
Wednesday Night

Low: 27 °F
Partly Cloudy
New Year's Day

High: 45 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms between 3pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 68. Breezy, with a southwest wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Tonight
Showers likely, mainly before 8pm. The rain could be heavy at times. Cloudy during the early evening, then gradual clearing, with a low around 21. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Monday
Sunny, with a high near 30. Northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 19. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 34. Northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly clear, with a low around 25. West southwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 44. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind 3 to 6 mph.
New Year's Day
Mostly sunny, with a high near 45. West northwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 24. Light north wind.
Friday
Partly sunny, with a high near 44. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 35. South southeast wind around 6 mph.
Saturday
Mostly cloudy, with a high near 52. South southeast wind 6 to 8 mph becoming southwest 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
10:31 am CST Dec 28, 2025
12pm CST Dec 28, 2025-6pm CST Jan 3, 2026



