Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Carmel, Mount Carmel Municipal Airport (KAJG)

Lat: 38.61°NLon: 87.73°WElev: 423ft.

Thunderstorm

76°F

24°C

Humidity 88%
Wind Speed S 6 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 14 Jun 9:15 am CDT
Extended Forecast for

Sumner IL

  • Today

    Today: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 81. Light and variable wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 67. North northeast wind around 6 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. North northeast wind around 6 mph.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 7pm.  Mostly cloudy, with a low around 70. Calm wind becoming south southwest around 5 mph after midnight.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 86. Southwest wind 6 to 9 mph.

    High: 86 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Light and variable wind becoming north around 6 mph in the afternoon. Chance of precipitation is 50%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67. North northeast wind around 6 mph.
Sunday
Partly sunny, with a high near 83. North northeast wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A chance of thunderstorms before 7pm. Mostly cloudy, with a low around 70. Calm wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Southwest wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Juneteenth
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumner IL
 38.72°N 87.87°W (Elev. 479 ft)
8:10 am CDT Jun 14, 2025
9am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
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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