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

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in (1012.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 14 Jun 4:53 am CDT
Extended Forecast for

Scott Air Force Base / Belleville IL

  • Overnight

    Overnight: Isolated showers. Patchy fog. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Isolated showers, then scattered showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. Light north wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 82 °F

    Scattered
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: Isolated showers before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 67. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    Showers then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Northeast wind 3 to 5 mph.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Light and variable wind.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Isolated showers. Patchy fog. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Saturday
Isolated showers, then scattered showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. Light north wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Saturday Night
Isolated showers before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 67. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Northeast wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 69. Light and variable wind.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Scott Air Force Base / Belleville IL
 38.54°N 89.84°W (Elev. 417 ft)
Last Update:
3:21 am CDT Jun 14, 2025
Forecast Valid:
5am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
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