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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

78°F

26°C

Humidity 69%
Wind Speed S 9 mph
Barometer 29.58 in (1001.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Jun 8:53 am CDT
Extended Forecast for

Scott Air Force Base / Belleville IL

Wind Advisory June 17, 01:00pm until June 17, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Mostly sunny, with a high near 91. Breezy, with a south wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 91 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Breezy, with a west wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers. Increasing clouds, with a high near 81. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Northwest wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 91. Breezy, with a south wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 46 mph.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Breezy, with a west wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers. Increasing clouds, with a high near 81. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 62. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Scott Air Force Base / Belleville IL
 38.54°N 89.87°W (Elev. 449 ft)
Last Update:
8:56 am CDT Jun 17, 2026
Forecast Valid:
9am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation