Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Carmel, Mount Carmel Municipal Airport (KAJG)

Lat: 38.61°NLon: 87.73°WElev: 423ft.

Fair

77°F

25°C

Humidity 86%
Wind Speed S 9 mph
Barometer 30.10 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 9 Sep 6:15 am CDT
Extended Forecast for

5 Miles NNE Lancaster IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 95. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 95 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight.  Low around 72. West southwest wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm.  High near 83. Calm wind becoming north northwest 5 to 8 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 65. North wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Light and variable wind becoming east around 6 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm.  Mostly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

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

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 95. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 72. West southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 83. Calm wind becoming north northwest 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 65. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 85. Light and variable wind becoming east around 6 mph.
Friday Night
Partly cloudy, with a low around 67. Calm wind.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 71.
Tuesday
A chance of showers. Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Lancaster IL
 38.61°N 87.88°W (Elev. 456 ft)
5:56 am CDT Sep 9, 2026
6am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
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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