Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

33°F

1°C

Humidity 36%
Wind Speed S 16 mph
Barometer 30.18 in (1022.5 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 15 Dec 4:52 pm CST
Extended Forecast for

4 Miles NNW Pomona IL

  • Tonight

    Tonight: Partly cloudy, with a low around 26. South southwest wind 6 to 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52. Southwest wind around 6 mph.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after midnight.  Mostly cloudy, with a low around 42. South wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm.  High near 55. South wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 90%.

    High: 55 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 37. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. South wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. South southwest wind 6 to 10 mph.
Tuesday
Partly sunny, with a high near 45. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 33. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 52. Southwest wind around 6 mph.
Wednesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 42. South wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday
Rain and possibly a thunderstorm. High near 55. South wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
Partly cloudy, with a low around 22. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 37. Northwest wind 5 to 7 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 30. South wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 53. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 36. South southwest wind around 8 mph becoming north after midnight.
Sunday
Partly sunny, with a high near 50. North northeast wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 38. East wind around 6 mph.
Monday
Partly sunny, with a high near 56. East wind around 7 mph becoming south southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Pomona IL
 37.7°N 89.37°W
3:16 pm CST Dec 15, 2025
5pm CST Dec 15, 2025-6pm CST Dec 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database