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

84°F

29°C

Humidity 30%
Wind Speed NE 3 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 1 Sep 1:52 pm CDT
Extended Forecast for

4 Miles NNW Pomona IL

  • Labor Day

    Labor Day: Sunny, with a high near 84. Light and variable wind becoming east northeast around 6 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Partly cloudy, with a low around 58. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 74. North northwest wind 6 to 8 mph.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. South southwest wind 6 to 10 mph becoming west northwest in the afternoon.

    High: 84 °F

    Sunny

Detailed Forecast

Labor Day
Sunny, with a high near 84. Light and variable wind becoming east northeast around 6 mph.
Tonight
Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Partly cloudy, with a low around 58. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 74. North northwest wind 6 to 8 mph.
Thursday Night
Clear, with a low around 53. Light and variable wind.
Friday
Sunny, with a high near 84. South southwest wind 6 to 10 mph becoming west northwest in the afternoon.
Friday Night
A chance of showers. Partly cloudy, with a low around 51. North wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 78. North northwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 52. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78. Calm wind becoming north northeast around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Pomona IL
 37.7°N 89.37°W
Last Update:
2:01 pm CDT Sep 1, 2025
Forecast Valid:
2pm CDT Sep 1, 2025-6pm CDT Sep 7, 2025
 
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Additional Resources

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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