Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

76°F

24°C

Humidity 47%
Wind Speed N 5 mph
Barometer 30.13 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Aug 12:35 pm CDT
Extended Forecast for

Calumet City IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. South southeast wind around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 83. West southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. West wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

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

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. South southeast wind around 5 mph.
Tonight
Mostly cloudy, with a low around 63. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83. West southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 65. West wind 5 to 10 mph.
Thursday
Sunny, with a high near 78. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 85.
Sunday Night
A chance of showers. Partly cloudy, with a low around 71.
Monday
A chance of showers. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Calumet City IL
 41.59°N 87.55°W
9:31 am CDT Aug 25, 2026
12pm CDT Aug 25, 2026-6pm CDT Aug 31, 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