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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

78°F

26°C

Humidity 30%
Wind Speed S 6 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Oct 4:52 pm CDT
Extended Forecast for

4 Miles WNW Dowell IL

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. West southwest wind 3 to 8 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming north around 6 mph in the morning.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Light northeast wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Light and variable wind becoming southeast 5 to 8 mph in the morning.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Southeast wind 3 to 5 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Light south southeast wind becoming south 6 to 11 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 58. Southeast wind 5 to 7 mph.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 88. West southwest wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 57. Light and variable wind.
Thursday
Sunny, with a high near 84. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Clear, with a low around 53. Light northeast wind.
Friday
Sunny, with a high near 84. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 56. Southeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 86. Light south southeast wind becoming south 6 to 11 mph in the morning.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 58. Southeast wind 5 to 7 mph.
Sunday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 78. East wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 82. Calm wind becoming north northwest 5 to 8 mph in the morning.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 58. South wind 3 to 6 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82. South southwest wind 5 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Dowell IL
 37.97°N 89.3°W
Last Update:
1:16 pm CDT Oct 6, 2026
Forecast Valid:
5pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

Radar & Satellite Image

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