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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

87°F

31°C

Humidity 46%
Wind Speed S 15 G 33 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 May 3:53 pm CDT
Extended Forecast for

Dupo IL

  • Tonight

    Tonight: Increasing clouds, with a low around 72. South wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 1pm and 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 88. South wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 88 °F

    Heavy Rain

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly after 7am. High near 87. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    High: 87 °F

    T-storms
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 58. North wind 7 to 9 mph. Chance of precipitation is 70%.

    Low: 58 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 72. South wind 13 to 16 mph, with gusts as high as 25 mph.
Monday
Showers and thunderstorms likely, mainly between 1pm and 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 88. South wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms, mainly after 7am. High near 87. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 58. North wind 7 to 9 mph. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dupo IL
 38.51°N 90.21°W (Elev. 397 ft)
Last Update:
4:06 pm CDT May 17, 2026
Forecast Valid:
4pm CDT May 17, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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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