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.

Partly Cloudy

66°F

19°C

Humidity 37%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 28 Feb 3:52 pm CST
Extended Forecast for

3 Miles WNW Mulkeytown IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 63. South southwest wind around 6 mph.

    High: 63 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 33 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 49. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain showers before midnight, then rain likely, possibly mixed with snow showers. Cloudy, with a low around 35. East northeast wind around 9 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Monday

    Monday: Showers likely, mainly before noon. Cloudy, with a high near 47. East wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 47 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. Cloudy, with a low around 43. East wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 69. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 57. South wind 7 to 10 mph.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 70 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 63. South southwest wind around 6 mph.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
Partly sunny, with a high near 49. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday Night
A chance of rain showers before midnight, then rain likely, possibly mixed with snow showers. Cloudy, with a low around 35. East northeast wind around 9 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly before noon. Cloudy, with a high near 47. East wind 7 to 10 mph. Chance of precipitation is 60%.
Monday Night
Showers likely, mainly after midnight. Cloudy, with a low around 43. East wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 69. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 57. South wind 7 to 10 mph.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. South southwest wind around 9 mph.
Thursday
Showers likely. Partly sunny, with a high near 71. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind 7 to 9 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. South southwest wind 8 to 15 mph, with gusts as high as 21 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:
3:51 pm CST Feb 28, 2026
Forecast Valid:
4pm CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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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