Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

78°F

26°C

Humidity 71%
Wind Speed SE 5 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 Aug 7:53 pm CDT
Extended Forecast for

Millstadt IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Light southeast wind.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88. Southwest wind 3 to 6 mph.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 66. Light and variable wind.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. North wind 3 to 8 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. North wind around 6 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. Light southeast wind.
Wednesday
Partly sunny, with a high near 88. Southwest wind 3 to 6 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 66. Light and variable wind.
Thursday
Sunny, with a high near 86. North wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 65. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny, with a high near 94.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Millstadt IL
 38.46°N 90.1°W (Elev. 604 ft)
7:26 pm CDT Aug 25, 2026
8pm CDT Aug 25, 2026-6pm CDT Sep 1, 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