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

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in (1017.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 15 Jun 6:53 am CDT
Extended Forecast for

Dupo IL

  • Today

    Today: Partly sunny, with a high near 86. Northeast wind 3 to 6 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 70. East wind 3 to 6 mph.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 85. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 85 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind 3 to 8 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 86. Northeast wind 3 to 6 mph.
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 70. East wind 3 to 6 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 85. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind 3 to 8 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69.
Juneteenth
Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dupo IL
 38.51°N 90.21°W (Elev. 397 ft)
Last Update:
5:22 am CDT Jun 15, 2025
Forecast Valid:
7am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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