Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

50°F

10°C

Humidity 62%
Wind Speed E 9 mph
Barometer 29.89 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 26 Feb 10:52 am CST
Extended Forecast for

Anna IL

  • Today

    Today: Sunny, with a high near 57. North northeast wind 3 to 7 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 43. South southwest wind around 6 mph becoming west northwest after midnight.

    Low: 43 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 67. Northwest wind 5 to 9 mph becoming east southeast in the morning.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight.  Mostly clear, with a low around 36. South southwest wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers.  Mostly cloudy, with a high near 45. Northeast wind around 11 mph, with gusts as high as 20 mph.

    High: 45 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain and snow showers likely before midnight, then rain showers, snow showers, and freezing rain likely.  Cloudy, with a low around 32. Northeast wind around 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Wintry Mix
    Likely

  • Monday

    Monday: A chance of rain and snow showers before noon, then a slight chance of rain showers.  Cloudy, with a high near 43. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 43 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 57. North northeast wind 3 to 7 mph.
Tonight
Patchy fog after 5am. Otherwise, clear, with a low around 35. Light and variable wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 43. South southwest wind around 6 mph becoming west northwest after midnight.
Saturday
Sunny, with a high near 67. Northwest wind 5 to 9 mph becoming east southeast in the morning.
Saturday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 36. South southwest wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 45. Northeast wind around 11 mph, with gusts as high as 20 mph.
Sunday Night
Rain and snow showers likely before midnight, then rain showers, snow showers, and freezing rain likely. Cloudy, with a low around 32. Northeast wind around 10 mph, with gusts as high as 18 mph.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Cloudy, with a high near 43. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 32. Northeast wind 6 to 8 mph.
Tuesday
A chance of showers. Cloudy, with a high near 49. Northeast wind around 8 mph becoming southwest in the afternoon.
Tuesday Night
A chance of showers. Cloudy, with a low around 36. North wind around 7 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 55. East wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
10:42 am CST Feb 26, 2026
11am CST Feb 26, 2026-6pm CST Mar 4, 2026
 
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Additional Resources

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