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

70°F

21°C

Humidity 34%
Wind Speed E 5 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 14 May 12:53 pm CDT
Extended Forecast for

Hecker IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. South wind around 6 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 54. South wind 7 to 9 mph.

    Low: 54 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm. Partly sunny, with a high near 81. East wind 10 to 14 mph becoming south in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 65. South wind around 9 mph.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Southwest wind around 10 mph.

    High: 85 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 74. South wind around 6 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 54. South wind 7 to 9 mph.
Friday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm. Partly sunny, with a high near 81. East wind 10 to 14 mph becoming south in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 65. South wind around 9 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Southwest wind around 10 mph.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 69.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hecker IL
 38.32°N 89.99°W (Elev. 449 ft)
Last Update:
1:26 pm CDT May 14, 2026
Forecast Valid:
1pm CDT May 14, 2026-6pm CDT May 20, 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