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

65°F

18°C

Humidity 40%
Wind Speed S 16 mph
Barometer 29.74 in (1006.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 11 Mar 10:52 pm CDT
Extended Forecast for

4 Miles NNW Pomona IL

  • Tonight

    Tonight: Clear, with a low around 51. South southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. South wind 6 to 8 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 73. South wind 3 to 6 mph.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. South southeast wind around 6 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 78. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. Breezy, with a south wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 67. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 34 mph.

    High: 67 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 39. South southwest wind around 9 mph becoming northwest after midnight.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 51. South southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 74. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. South wind 6 to 8 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 73. South wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 55. South southeast wind around 6 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 78. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. Breezy, with a south wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Saturday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 67. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 34 mph.
Saturday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 39. South southwest wind around 9 mph becoming northwest after midnight.
Sunday
Mostly sunny, with a high near 51. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 33. West northwest wind 5 to 9 mph.
Monday
Sunny, with a high near 62. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 47. South wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 68. South wind 11 to 17 mph, with gusts as high as 30 mph.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Pomona IL
 37.7°N 89.37°W
Last Update:
9:32 pm CDT Mar 11, 2025
Forecast Valid:
11pm CDT Mar 11, 2025-6pm CDT Mar 18, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation