Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
69°F
21°C
| Humidity | 33% |
| Wind Speed | SW 15 mph |
| Barometer | 29.87 in (1011.5 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 3 May 6:52 pm CDT |
Extended Forecast for
Anna ILSimilar City Names
Tonight

Low: 55 °F
Partly Cloudy
Monday

High: 79 °F
Mostly Sunny
Monday Night
Low: 58 °F
Slight Chance
T-storms then
Showers
LikelyTuesday

High: 69 °F
Showers
Tuesday Night

Low: 46 °F
Showers
Wednesday

High: 60 °F
Chance
ShowersWednesday Night

Low: 45 °F
Slight Chance
ShowersThursday

High: 64 °F
Mostly Sunny
Thursday Night

Low: 46 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 55. South southwest wind around 10 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 79. Southwest wind 9 to 18 mph, with gusts as high as 30 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 58. South southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 69. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 46. West wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 60. North northeast wind around 9 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 45. North wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 64. North northwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 46. Light and variable wind.
Friday
Sunny, with a high near 71. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Southwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 74. Northwest wind 5 to 8 mph.
Saturday Night
A slight chance of showers. Mostly clear, with a low around 55. Light east southeast wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. Southeast wind 5 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Anna ILSimilar City Names
37.45°N 89.24°W
37.45°N 89.24°W
5:31 pm CDT May 3, 2026
7pm CDT May 3, 2026-6pm CDT May 10, 2026



