National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

70°F

21°C

Humidity 88%
Wind Speed NW 10 G 21 mph
Barometer 29.77 in
Dewpoint 66°F (19°C)
Visibility 6.00 mi
Last update 2 Aug 6:52 am CDT
Extended Forecast for

4 Miles NE Anna IL

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. North northwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 66. North wind 3 to 8 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 84. North wind 3 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. Light northeast wind.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light north northeast wind.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the morning.

    High: 89 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. North northwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 66. North wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 84. North wind 3 to 7 mph.
Monday Night
Clear, with a low around 65. Light northeast wind.
Tuesday
Sunny, with a high near 87. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 90. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the morning.
Thursday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Light south wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the morning.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Anna IL
 37.5°N 89.19°W
Last Update:
7:01 am CDT Aug 2, 2026
Forecast Valid:
7am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation