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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

82°F

28°C

Humidity 66%
Wind Speed S 5 mph
Barometer 30.11 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 8 Aug 10:52 am CDT
Extended Forecast for

5 Miles S Pinckneyville IL

  • Today

    Today: Mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 95. Light south wind increasing to 6 to 11 mph in the morning.

    High: 95 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 6 to 9 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. South southwest wind 7 to 9 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South southwest wind around 9 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. South southwest wind 7 to 9 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. South southwest wind 8 to 11 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. West southwest wind around 8 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 92. Calm wind.
Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 70. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 95. Light south wind increasing to 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind 6 to 9 mph.
Monday
Sunny and hot, with a high near 98. South southwest wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 76. South southwest wind around 9 mph.
Tuesday
Sunny and hot, with a high near 99. South southwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 77. South southwest wind 8 to 11 mph.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. West southwest wind around 8 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southwest wind 3 to 7 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. West southwest wind 3 to 5 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind around 5 mph becoming light and variable in the evening.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Southeast wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Pinckneyville IL
 37.99°N 89.38°W
Last Update:
11:11 am CDT Aug 8, 2026
Forecast Valid:
11am CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation