Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Clear
63°F
17°C
| Humidity | 100% |
| Wind Speed | NW 5 mph |
| Barometer | 30.10 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 28 Aug 5:49 am CDT |
Extended Forecast for
Jonesboro IL
Today
High: 87 °F
Sunny
Tonight
Low: 64 °F
Mostly Clear
Saturday
High: 89 °F
Increasing
CloudsSaturday Night
Low: 65 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Sunday Night
Low: 71 °F
Clear
Monday
High: 95 °F
Sunny
Monday Night
Low: 73 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Detailed Forecast
Today
Sunny, with a high near 87. Calm wind becoming north northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 64. Calm wind.
Saturday
Increasing clouds, with a high near 89. Light and variable wind.
Saturday Night
Mostly clear, with a low around 65. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming south southwest 5 to 8 mph in the morning.
Sunday Night
Clear, with a low around 71. Light south southeast wind.
Monday
Sunny, with a high near 95. South southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 73. South wind 3 to 5 mph.
Tuesday
Sunny and hot, with a high near 97. South southwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 98. Calm wind becoming south southwest around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. Light south wind.
Thursday
A slight chance of showers. Sunny and hot, with a high near 99. Calm wind becoming south southwest 5 to 7 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Jonesboro IL
37.46°N 89.27°W
37.46°N 89.27°W
5:41 am CDT Aug 28, 2026
6am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
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