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

Hazardous Weather Conditions

Current conditions at

Mount Carmel, Mount Carmel Municipal Airport (KAJG)

Lat: 38.61°NLon: 87.73°WElev: 423ft.

68°F

20°C

Humidity 23%
Wind Speed SW 15 mph
Barometer 30.22 in
Dewpoint 28°F (-2°C)
Visibility NA
Last update 29 Mar 1:35 pm CDT
Extended Forecast for

Sumner IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. South southwest wind around 15 mph, with gusts as high as 23 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. South wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 78 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South southwest wind around 17 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 31 mph.

    High: 82 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 59. South southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 1pm. High near 71. West northwest wind 11 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm, then rain after 1am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 1pm. High near 72. Breezy. Chance of precipitation is 80%.

    High: 72 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. South southwest wind around 15 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 55. South wind 9 to 14 mph, with gusts as high as 21 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 64. South southwest wind around 17 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 82. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 31 mph.
Tuesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 59. South southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, with thunderstorms also possible after 1pm. High near 71. West northwest wind 11 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely and possibly a thunderstorm, then rain after 1am. Low around 58. Chance of precipitation is 80%.
Thursday
Rain, with thunderstorms also possible after 1pm. High near 72. Breezy. Chance of precipitation is 80%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Friday
A chance of rain. Mostly cloudy, with a high near 71.
Friday Night
A chance of rain. Mostly cloudy, with a low around 58.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 75.
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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:
1:26 pm CDT Mar 29, 2026
Forecast Valid:
1pm CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation