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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

77°F

25°C

Humidity 94%
Wind Speed S 5 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 27 Jun 10:52 pm CDT
Extended Forecast for

4 Miles ENE Makanda IL

Extreme Heat Watch June 29, 11:00am until July 2, 08:00pm
Flood Watch June 27, 11:32pm until June 28, 07:00am
Heat Advisory June 28, 12:00pm until June 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Flood Watch
Heat Advisory
  •  
    Flood Watch June 27, 11:32pm until June 28, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • Tonight

    Low: 75 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 91. Heat index values as high as 105. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South wind 3 to 7 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 109. South southwest wind 5 to 9 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 3 to 7 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming south southwest around 6 mph in the morning.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 76. Light south wind.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Calm wind becoming south around 5 mph.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a steady temperature around 75. Calm wind.
Sunday
Sunny, with a high near 91. Heat index values as high as 105. Light south wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 75. South wind 3 to 7 mph.
Monday
Sunny, with a high near 94. Heat index values as high as 109. South southwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 75. South wind 3 to 7 mph.
Tuesday
Sunny, with a high near 95. Calm wind becoming south southwest around 6 mph in the morning.
Tuesday Night
Clear, with a low around 76. Light south wind.
Wednesday
Sunny, with a high near 95. Calm wind becoming south around 5 mph.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
Sunny, with a high near 94. Calm wind becoming south around 5 mph.
Thursday Night
Mostly clear, with a low around 76. Calm wind.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Light and variable wind.
Friday Night
Mostly clear, with a low around 76. Calm wind.
Independence Day
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Makanda IL
 37.65°N 89.18°W
Last Update:
9:26 pm CDT Jun 27, 2026
Forecast Valid:
11pm CDT Jun 27, 2026-6pm CDT Jul 4, 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