


Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Mostly Cloudy
68°F
20°C
Humidity | 96% |
Wind Speed | Calm |
Barometer | 30.10 in (1018.8 mb) |
Dewpoint | 67°F (19°C) |
Visibility | 10.00 mi |
Last update | 5 Aug 12:52 am CDT |
Extended Forecast for
Anna ILSimilar City Names
Overnight
Low: 68 °F
Patchy Fog
Tuesday
High: 85 °F
Areas Fog
then Slight
Chance
T-stormsTuesday Night
Low: 68 °F
Mostly Clear
then Patchy
FogWednesday
High: 88 °F
Fog then
SunnyWednesday Night
Low: 69 °F
Mostly Clear
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 70 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 71 °F
Mostly Clear
Detailed Forecast
Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a steady temperature around 68. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 85. Light and variable wind.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 68. Calm wind.
Wednesday
Widespread fog, mainly before 7am. Otherwise, sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
Sunny, with a high near 89. Light east southeast wind.
Thursday Night
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. Light southeast wind.
Saturday
Sunny, with a high near 90. South wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 72. South southeast wind 3 to 5 mph.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 91. South wind 3 to 6 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 3 to 5 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 3 to 6 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
10:01 pm CDT Aug 4, 2025
1am CDT Aug 5, 2025-6pm CDT Aug 11, 2025