Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
36°F
2°C
| Humidity | 73% |
| Wind Speed | SE 5 mph |
| Barometer | 30.10 in (1019.2 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 14 Feb 1:52 am CST |
Extended Forecast for
Anna IL
Overnight

Low: 39 °F
Mostly Cloudy
Saturday
High: 53 °F
Chance Rain
then RainSaturday Night

Low: 46 °F
Rain
Sunday
High: 55 °F
Chance Rain
then Partly
SunnySunday Night

Low: 39 °F
Partly Cloudy
Washington's Birthday

High: 60 °F
Mostly Sunny
Monday Night

Low: 44 °F
Mostly Cloudy
Tuesday

High: 64 °F
Mostly Cloudy
Tuesday Night
Low: 56 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 39. Light south wind.
Saturday
Rain, mainly after noon. High near 53. Light and variable wind becoming east southeast 5 to 9 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
Rain. Low around 46. South southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Sunday
A 50 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 39. North wind 5 to 7 mph becoming calm in the evening.
Washington's Birthday
Mostly sunny, with a high near 60. Calm wind becoming south around 6 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 64. South wind 7 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 56. Breezy, with a south wind 16 to 20 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 51. South southwest wind 7 to 9 mph.
Thursday
A slight chance of rain. Mostly sunny, with a high near 71. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 46. West wind 8 to 11 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 60. West wind 8 to 10 mph.
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ABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
2:06 am CST Feb 14, 2026
2am CST Feb 14, 2026-6pm CST Feb 20, 2026


