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.

Overcast

74°F

23°C

Humidity 88%
Wind Speed SE 5 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 22 Sep 11:53 am CDT
Extended Forecast for

4 Miles WSW Mascoutah IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind around 6 mph becoming southwest.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North wind 3 to 6 mph.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 72. Northeast wind 3 to 5 mph. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 64. Northeast wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 73. West wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind around 6 mph becoming southwest.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North wind 3 to 6 mph.
Monday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 72. Northeast wind 3 to 5 mph. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 64. Northeast wind around 5 mph becoming calm. Chance of precipitation is 80%.
Tuesday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 73. West wind 5 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 75.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 74.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mascoutah IL
 38.5°N 89.87°W (Elev. 449 ft)
Last Update:
11:22 am CDT Sep 22, 2024
Forecast Valid:
12pm CDT Sep 22, 2024-6pm CDT Sep 28, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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