National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast and Windy

56°F

13°C

Humidity 81%
Wind Speed S 35 G 46 mph
Barometer 29.70 in (1005.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Feb 11:52 pm CST
Extended Forecast for

Pomona IL

  • Overnight

    Overnight: A slight chance of showers between 1am and 4am. Cloudy, with a temperature rising to around 59 by 5am. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    Low: 56 °F⇑

    Slight Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Partly cloudy, with a low around 56. South wind around 7 mph.

    Low: 56 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 72. South southwest wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. West wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. West northwest wind 5 to 9 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 35. North wind 3 to 6 mph.

    Low: 35 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after noon. Mostly sunny, with a high near 48. North northeast wind 6 to 8 mph.

    High: 48 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Partly cloudy, with a low around 29. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Overnight
A slight chance of showers between 1am and 4am. Cloudy, with a temperature rising to around 59 by 5am. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Wednesday Night
A 30 percent chance of showers after midnight. Partly cloudy, with a low around 56. South wind around 7 mph.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 72. South southwest wind 7 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 43. West wind 9 to 11 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 55. West northwest wind 5 to 9 mph.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 35. North wind 3 to 6 mph.
Saturday
A chance of showers, mainly after noon. Mostly sunny, with a high near 48. North northeast wind 6 to 8 mph.
Saturday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Partly cloudy, with a low around 29. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 41. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 22. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 40. North northwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 22. Calm wind.
Tuesday
Mostly sunny, with a high near 47. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pomona IL
 37.64°N 89.35°W
Last Update:
10:36 pm CST Feb 17, 2026
Forecast Valid:
12am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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