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.

Overcast

9°F

-13°C

Humidity 80%
Wind Speed Calm
Barometer 30.40 in (1030.0 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 28 Jan 4:52 am CST
Extended Forecast for

3 Miles WNW Mulkeytown IL

  • Today

    Today: Mostly sunny, with a high near 29. Wind chill values as low as -9. West wind 3 to 8 mph.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 10. Light and variable wind.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 27. Calm wind becoming northeast around 6 mph in the morning.

    High: 27 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. Wind chill values as low as zero. North wind around 6 mph.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 19. North wind 6 to 10 mph.

    High: 19 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. North northwest wind 6 to 8 mph.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 16. Northwest wind 7 to 10 mph.

    High: 16 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 29. Wind chill values as low as -9. West wind 3 to 8 mph.
Tonight
Mostly cloudy, with a low around 10. Light and variable wind.
Thursday
Mostly cloudy, with a high near 27. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 9. Wind chill values as low as zero. North wind around 6 mph.
Friday
Partly sunny, with a high near 19. North wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 2. North northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 16. Northwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 25. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 12. South southwest wind around 6 mph.
Monday
Partly sunny, with a high near 34. West southwest wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 17. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 35. South southeast wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Mulkeytown IL
 37.97°N 89.19°W
Last Update:
4:41 am CST Jan 28, 2026
Forecast Valid:
4am CST Jan 28, 2026-6pm CST Feb 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation