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

Mount Carmel, Mount Carmel Municipal Airport (KAJG)

Lat: 38.61°NLon: 87.73°WElev: 423ft.

29°F

-2°C

Humidity 58%
Wind Speed W 6 mph
Barometer 30.42 in
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 23 Feb 6:15 pm CST
Extended Forecast for

Sumner IL

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 45 °F

    Partly Sunny
    then Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 34. South southwest wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. West wind 5 to 7 mph becoming north in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely after midnight. Increasing clouds, with a low around 34. East northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: A 50 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 45. North wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 45 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. North wind 5 to 7 mph becoming light and variable.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 45. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 34. South southwest wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph.
Wednesday
Mostly sunny, with a high near 51. West wind 5 to 7 mph becoming north in the afternoon.
Wednesday Night
Rain likely after midnight. Increasing clouds, with a low around 34. East northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 50 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 45. North wind 8 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 29. North wind 5 to 7 mph becoming light and variable.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 32.
Monday
A chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sumner IL
 38.72°N 87.87°W (Elev. 479 ft)
Last Update:
5:36 pm CST Feb 23, 2026
Forecast Valid:
6pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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