National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 30.29 in (1025.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Jun 7:53 am CDT
Extended Forecast for

Mascoutah IL

  • Today

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

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 6 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 94. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. South wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny and hot, with a high near 97. Light south wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Mascoutah IL
 38.52°N 89.81°W (Elev. 423 ft)
Last Update:
6:06 am CDT Jun 20, 2024
Forecast Valid:
8am CDT Jun 20, 2024-6pm CDT Jun 26, 2024
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation