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.

Partly Cloudy

86°F

30°C

Humidity 46%
Wind Speed NE 3 mph
Barometer 30.03 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 4 Aug 1:50 pm CDT
Extended Forecast for

4 Miles N Pomona IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Light east wind.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Light south southeast wind.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the morning.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.

    Low: 71 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South southwest wind 3 to 5 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light south southwest wind.

    High: 89 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Light east wind.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Light south southeast wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 70. Light south wind.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South southwest wind 3 to 5 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light south southwest wind.
Saturday Night
Mostly clear, with a low around 72. Light south wind.
Sunday
Sunny, with a high near 91. South southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 74. South wind around 7 mph.
Monday
Sunny, with a high near 94. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Pomona IL
 37.7°N 89.34°W
Last Update:
1:54 pm CDT Aug 4, 2026
Forecast Valid:
2pm CDT Aug 4, 2026-6pm CDT Aug 10, 2026
 
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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