Heat Wave from Montana to the South

An extensive heat wave will consume the Central half of the U.S for the next few days. Widespread excessive heat warnings and heat advisories stretch from Montana into the South with the potential for a few record high temperatures in the north-central High Plains. Also, severe thunderstorms with hail and damaging winds are expected the next couple of days in the Upper Midwest and Great Lakes. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

86°F

30°C

Humidity 57%
Wind Speed N 7 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 27 Jul 10:53 am CDT
Extended Forecast for

Valmeyer IL

Heat Advisory July 28, 12:00pm until July 29, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 93. Calm wind.

    Sunny

    High: 93 °F

  • Tonight

    Tonight: Clear, with a low around 68. Calm wind.

    Clear

    Low: 68 °F

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 106. Calm wind.

    Sunny

    High: 96 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 73. Calm wind.

    Mostly Clear

    Low: 73 °F

  • Thursday

    Thursday: Sunny and hot, with a high near 98. West wind 3 to 6 mph.

    Hot

    High: 98 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72.

    Slight Chance
    T-storms

    Low: 72 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 89.

    Chance
    T-storms

    High: 89 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 68.

    Mostly Cloudy
    then Chance
    T-storms

    Low: 68 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

Today
Sunny, with a high near 93. Calm wind.
Tonight
Clear, with a low around 68. Calm wind.
Wednesday
Sunny, with a high near 96. Heat index values as high as 106. Calm wind.
Wednesday Night
Mostly clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 98. West wind 3 to 6 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.
Monday
Sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Valmeyer IL
 38.31°N 90.3°W (Elev. 397 ft)
11:11 am CDT Jul 27, 2021
11am CDT Jul 27, 2021-6pm CDT Aug 2, 2021
 
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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