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.

Mostly Cloudy

80°F

27°C

Humidity 45%
Wind Speed E 5 mph
Barometer 30.19 in (1022.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 23 Jun 12:52 pm CDT
Extended Forecast for

2 Miles S Pomona IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 82. Light north northeast wind.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

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

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 68. West southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A slight 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. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 86 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 70. Light south southwest wind. Chance of precipitation is 80%.

    Low: 70 °F

    T-storms
    Likely then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Southwest wind 5 to 8 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. South southwest wind 5 to 8 mph.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. Southwest wind 6 to 9 mph.

    High: 88 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 82. Light north northeast wind.
Tonight
Partly cloudy, with a low around 63. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 68. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A slight 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. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 70. Light south southwest wind. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Southwest wind 5 to 8 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. South southwest wind 5 to 8 mph.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. Southwest wind 6 to 9 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 7 mph.
Sunday
Sunny, with a high near 91. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 76. South wind 7 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 93. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Pomona IL
 37.61°N 89.35°W
Last Update:
12:11 pm CDT Jun 23, 2026
Forecast Valid:
1pm CDT Jun 23, 2026-6pm CDT Jun 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation