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.

Mostly Cloudy

77°F

25°C

Humidity 62%
Wind Speed SW 16 G 23 mph
Barometer 29.98 in (1014.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Apr 11:52 am CDT
Extended Forecast for

3 Miles WNW Mulkeytown IL

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. South southwest wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 65. South southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 65 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 8 to 11 mph. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 61. South southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. South southwest wind 13 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 73 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 1am. Partly cloudy, with a low around 40. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. South southwest wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 65. South southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 8 to 11 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 61. South southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. South southwest wind 13 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A chance of showers, mainly before 1am. Partly cloudy, with a low around 40. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 65. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 40. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 70. South wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 48. South wind around 7 mph.
Tuesday
Sunny, with a high near 77. South southwest wind 7 to 14 mph, with gusts as high as 20 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:
12:02 pm CDT Apr 15, 2026
Forecast Valid:
12pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation