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.

Mostly Cloudy

22°C

71°F

Humidity 61%
Wind Speed Calm
Barometer 1017.4 mb (30.05 in)
Dewpoint 14°C (57°F)
Visibility 16 km
Last update 5 May 1:53 pm CDT
Extended Forecast for

Granite City IL

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 1am. Cloudy, with a low around 16. East wind 5 to 10 km/h. Chance of precipitation is 30%.

    Low: 16 °C

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, with a high near 26. East wind around 11 km/h.

    High: 26 °C

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 17. Southeast wind 11 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 80%.

    Low: 17 °C

    Partly Cloudy
    then Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 29. South wind 16 to 24 km/h becoming west in the afternoon. Winds could gust as high as 37 km/h. Chance of precipitation is 80%.

    High: 29 °C

    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 16. West wind 10 to 13 km/h becoming south after midnight.

    Low: 16 °C

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 28. Chance of precipitation is 80%.

    High: 28 °C

    Chance
    Showers then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 15. Chance of precipitation is 60%.

    Low: 15 °C

    T-storms
    Likely

  • Thursday

    Thursday: Sunny, with a high near 24. Breezy.

    High: 24 °C

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °C

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 1am. Cloudy, with a low around 16. East wind 5 to 10 km/h. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, with a high near 26. East wind around 11 km/h.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 17. Southeast wind 11 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 29. South wind 16 to 24 km/h becoming west in the afternoon. Winds could gust as high as 37 km/h. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 16. West wind 10 to 13 km/h becoming south after midnight.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 28. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 15. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 24. Breezy.
Thursday Night
Partly cloudy, with a low around 12.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 21. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 11.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 22.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Sunny, with a high near 24.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Granite City IL
 38.73°N 90.11°W (Elev. 417 m)
Last Update:
2:23 pm CDT May 5, 2024
Forecast Valid:
3pm CDT May 5, 2024-6pm CDT May 12, 2024
 
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