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.

Overcast

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 19 Aug 11:55 am CDT
Extended Forecast for

Sumner IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 81. West southwest wind around 6 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north northeast around 6 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 81. West southwest wind around 6 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Light and variable wind.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north northeast around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 65. Calm wind.
Saturday
Mostly sunny, with a high near 85. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 86.
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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:
11:41 am CDT Aug 19, 2026
Forecast Valid:
12pm CDT Aug 19, 2026-6pm CDT Aug 25, 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