National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

74°F

23°C

Humidity 56%
Wind Speed NE 5 mph
Barometer 30.15 in (1020.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Jun 7:52 pm CDT
Extended Forecast for

2 Miles S Oraville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 66. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Light south wind. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 68. Light south southeast wind. Chance of precipitation is 90%.

    Low: 68 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 7am. High near 83. West southwest wind 5 to 9 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South wind 3 to 7 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 3 to 6 mph.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 66. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Light south wind. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm. Low around 68. Light south southeast wind. Chance of precipitation is 90%.
Friday
Showers, with thunderstorms also possible after 7am. High near 83. West southwest wind 5 to 9 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South wind 3 to 7 mph. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 3 to 6 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 6 mph.
Sunday
Sunny, with a high near 93. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 75. South wind 7 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 95. South southwest wind 7 to 10 mph.
Monday Night
Clear, with a low around 76. South wind 5 to 9 mph.
Tuesday
Sunny and hot, with a high near 97. South southwest wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Oraville IL
 37.86°N 89.45°W
Last Update:
8:06 pm CDT Jun 23, 2026
Forecast Valid:
8pm CDT Jun 23, 2026-6pm CDT Jun 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation