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.

Overcast

67°F

19°C

Humidity 98%
Wind Speed E 6 mph
Barometer 30.09 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 25 Jul 8:35 am CDT
Extended Forecast for

Sumner IL

  • Today

    Today: A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 81. South southeast wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming west around 6 mph in the afternoon.

    High: 91 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Calm wind becoming south around 5 mph after midnight.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 97. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. North northwest wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 81. South southeast wind 3 to 7 mph. Chance of precipitation is 50%.
Tonight
Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 74. Calm wind becoming south around 5 mph after midnight.
Monday
Mostly sunny and hot, with a high near 97. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 77. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 93. North northwest wind 7 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IL
 38.72°N 87.87°W (Elev. 479 ft)
Last Update:
7:36 am CDT Jul 25, 2026
Forecast Valid:
8am CDT Jul 25, 2026-6pm CDT Jul 31, 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