Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Thunderstorm in Vicinity Rain Fog/Mist

67°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 29.90 in (1012.2 mb)
Dewpoint 65°F (18°C)
Visibility 6.00 mi
Last update 19 Apr 12:53 am CDT
Extended Forecast for

Scott Air Force Base / Belleville IL

Flood Watch until April 21, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 21, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • Overnight

    Low: 60 °F

    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 64. North wind 5 to 7 mph.  Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am.  Low around 55. North wind around 7 mph.  Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am.  Mostly cloudy, with a high near 78. East wind 9 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am.  Low around 55. South wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%.

    Low: 55 °F

    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 60. Northwest wind around 8 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 64. North wind 5 to 7 mph. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Low around 55. North wind around 7 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 78. East wind 9 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 55. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 79.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Scott Air Force Base / Belleville IL
 38.54°N 89.84°W (Elev. 417 ft)
12:51 am CDT Apr 19, 2025
1am CDT Apr 19, 2025-6pm CDT Apr 25, 2025
 
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Additional Resources

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