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.

Fair

32°F

0°C

Humidity 88%
Wind Speed NW 7 mph
Barometer 30.23 in (1023.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 7 Feb 12:52 am CST
Extended Forecast for

Anna IL

  • Overnight

    Overnight: Mostly clear, with a low around 24. North wind 6 to 8 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 35. North northeast wind 5 to 7 mph becoming calm in the afternoon.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. East southeast wind 3 to 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. South southwest wind 5 to 9 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. Calm wind becoming southwest around 5 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South southwest wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after noon. Mostly cloudy, with a high near 64. South southwest wind 6 to 9 mph.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 44. South southwest wind around 8 mph becoming northwest after midnight.

    Low: 44 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 24. North wind 6 to 8 mph.
Saturday
Sunny, with a high near 35. North northeast wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 24. East southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 48. South southwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 32. Light and variable wind.
Monday
Sunny, with a high near 58. Calm wind becoming southwest around 5 mph.
Monday Night
Partly cloudy, with a low around 42. South southwest wind 3 to 6 mph.
Tuesday
A slight chance of showers after noon. Mostly cloudy, with a high near 64. South southwest wind 6 to 9 mph.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 44. South southwest wind around 8 mph becoming northwest after midnight.
Wednesday
A chance of showers, mainly before noon. Mostly cloudy, with a high near 55. North northwest wind 7 to 10 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 34. North wind around 6 mph.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 47. North wind around 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 31. North northeast wind around 6 mph.
Friday
A chance of showers. Mostly sunny, with a high near 46. North wind around 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
Last Update:
12:22 am CST Feb 7, 2026
Forecast Valid:
1am CST Feb 7, 2026-6pm CST Feb 13, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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