Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy

87°F

31°C

Humidity 57%
Wind Speed Vrbl 7 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 25 Jun 12:52 pm CDT
Extended Forecast for

Coello IL

Flood Watch June 25, 04:00pm until June 27, 07:00am
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 88. Southwest wind 3 to 5 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am.  Low around 70. Light and variable wind.  Chance of precipitation is 80%.

    Low: 70 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 84. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm.  Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph becoming light south southwest  in the evening.  Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm.  Partly sunny, with a high near 89. Southwest wind 3 to 7 mph.  Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 95. South southwest wind 6 to 10 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. South wind 5 to 9 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 96. Light south southwest wind increasing to 5 to 9 mph in the morning.

    High: 96 °F

    Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 88. Southwest wind 3 to 5 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 70. Light and variable wind. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph becoming light south southwest in the evening. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Southwest wind 3 to 7 mph. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South wind 3 to 5 mph.
Sunday
Sunny, with a high near 95. South southwest wind 6 to 10 mph.
Sunday Night
Clear, with a low around 75. South wind 5 to 9 mph.
Monday
Sunny, with a high near 96. Light south southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 76. South wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 98. Calm wind becoming southwest around 5 mph.
Tuesday Night
Clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 98. Calm wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Coello IL
 38.03°N 89.1°W
1:21 pm CDT Jun 25, 2026
1pm CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
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