Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
68°F
20°C
| Humidity | 87% |
| Wind Speed | S 14 G 23 mph |
| Barometer | 29.99 in (1015.2 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 3 Apr 3:52 am CDT |
Extended Forecast for
Anna IL
Overnight

Low: 65 °F
Chance
ShowersFriday
High: 81 °F
Chance
T-storms then
Partly SunnyFriday Night
Low: 61 °F
Chance
Showers then
Showers
LikelySaturday

High: 69 °F
Showers
Saturday Night

Low: 41 °F
Partly Cloudy
Sunday

High: 61 °F
Sunny
Sunday Night

Low: 39 °F
Clear
Monday

High: 64 °F
Sunny
Monday Night

Low: 38 °F
Partly Cloudy
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 65. South southwest wind around 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, with a high near 81. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 61. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 69. Southwest wind 10 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 61. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 39. North northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 64. Light west northwest wind becoming north northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 38. North wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 56. Northeast wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 38. East southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 69. South wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 51. South wind around 9 mph.
Thursday
Mostly sunny, with a high near 74. South wind 9 to 14 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
3:21 am CDT Apr 3, 2026
4am CDT Apr 3, 2026-6pm CDT Apr 9, 2026



