Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
61°F
16°C
| Humidity | 93% |
| Wind Speed | S 10 mph |
| Barometer | 30.01 in (1016.1 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 5 Mar 9:52 am CST |
Extended Forecast for
Anna IL
Flood Warning until March 5, 11:00am
NOW until 11:00am Thu
Flood Warning
Today
High: 69 °F
Chance
Showers and
Patchy Fog
then Showers
LikelyTonight

Low: 59 °F
Chance
T-storms and
Patchy FogFriday

High: 76 °F
Partly Sunny
Friday Night
Low: 63 °F
Mostly Cloudy
then Showers
LikelySaturday
High: 72 °F
Showers then
Chance
T-stormsSaturday Night
Low: 43 °F
Chance
Showers then
Partly CloudySunday

High: 64 °F
Mostly Sunny
Sunday Night

Low: 49 °F
Mostly Clear
Detailed Forecast
Today
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 69. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 59. South wind around 6 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 76. South wind 7 to 16 mph, with gusts as high as 26 mph.
Friday Night
Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 63. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. High near 72. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 43. North northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 49. South southwest wind 3 to 5 mph.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 74. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 61. South southwest wind around 10 mph.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 75. South southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. South southwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 70. South southwest wind 13 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Anna IL
37.45°N 89.24°W
37.45°N 89.24°W
9:46 am CST Mar 5, 2026
10am CST Mar 5, 2026-6pm CDT Mar 11, 2026



