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 >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

73°F

23°C

Humidity 69%
Wind Speed SE 6 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 25 Aug 8:53 am CDT
Extended Forecast for

Sauget IL

  • Today

    Today: Mostly sunny, with a high near 88. Southeast wind 3 to 5 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. East wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 70. West wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming north 5 to 8 mph in the morning.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 88. Southeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Calm wind becoming north 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Sauget IL
 38.6°N 90.18°W (Elev. 404 ft)
6:01 am CDT Aug 25, 2026
9am 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