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.

Fog/Mist

29°F

-2°C

Humidity 92%
Wind Speed NW 3 mph
Barometer 30.24 in (1024.5 mb)
Dewpoint 27°F (-3°C)
Visibility 6.00 mi
Last update 4 Dec 12:52 am CST
Extended Forecast for

2 Miles SSW Pomona IL

  • Overnight

    Overnight: A slight chance of freezing rain before 3am. Mostly cloudy, with a low around 24. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Freezing Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 29. North northeast wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 29 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Light and variable wind.

    Low: 19 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. Southwest wind 3 to 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43. Light and variable wind.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 30. East northeast wind 3 to 6 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before noon. Mostly cloudy, with a high near 38. North wind 6 to 8 mph.

    High: 38 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. North wind 6 to 8 mph.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of freezing rain before 3am. Mostly cloudy, with a low around 24. North wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 29. North northeast wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Light and variable wind.
Friday
Sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 27. Southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 43. Light and variable wind.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 30. East northeast wind 3 to 6 mph.
Sunday
A slight chance of showers before noon. Mostly cloudy, with a high near 38. North wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 22. North wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 35. North wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 7 mph in the evening.
Tuesday
Mostly sunny, with a high near 44. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 34. South southwest wind 8 to 10 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 49. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Pomona IL
 37.62°N 89.38°W
Last Update:
12:46 am CST Dec 4, 2025
Forecast Valid:
1am CST Dec 4, 2025-6pm CST Dec 10, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation