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

18°F

-8°C

Humidity 84%
Wind Speed S 3 mph
Barometer 30.30 in (1026.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 24 Feb 1:52 am CST
Extended Forecast for

Bush IL

  • Overnight

    Overnight: Partly cloudy, with a low around 20. Calm wind becoming south around 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Breezy, with a south southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 50 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Light and variable wind becoming east northeast around 6 mph in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. East wind 3 to 7 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before noon. Partly sunny, with a high near 53. East northeast wind 7 to 10 mph becoming north in the afternoon.

    High: 53 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South southwest wind around 7 mph.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 20. Calm wind becoming south around 6 mph.
Tuesday
Partly sunny, with a high near 50. Breezy, with a south southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly cloudy, with a high near 56. Light and variable wind becoming east northeast around 6 mph in the afternoon.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. East wind 3 to 7 mph.
Thursday
A 40 percent chance of showers before noon. Partly sunny, with a high near 53. East northeast wind 7 to 10 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 31. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 62. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 67. South southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 34. South wind 8 to 10 mph becoming north after midnight.
Sunday
A slight chance of rain showers and sleet. Partly sunny, with a high near 50. Northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 34. East northeast wind around 10 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 54. East southeast wind 9 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bush IL
 37.85°N 89.14°W
Last Update:
12:26 am CST Feb 24, 2026
Forecast Valid:
2am CST Feb 24, 2026-6pm CST Mar 2, 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