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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

58°F

14°C

Humidity 36%
Wind Speed SE 15 G 25 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 14 Mar 12:53 pm CDT
Extended Forecast for

Granite City IL

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. Southeast wind around 14 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 67. Breezy, with a south wind 18 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Slight Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then a chance of snow. Low around 21. Breezy, with a west wind 25 to 29 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow and
    Breezy then
    Chance Snow
    and Blustery

  • Monday

    Monday: A 30 percent chance of snow, mainly between 7am and 1pm. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 22 to 28 mph, with gusts as high as 41 mph.

    High: 28 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 64. Southeast wind around 14 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 56. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 67. Breezy, with a south wind 18 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then a chance of snow. Low around 21. Breezy, with a west wind 25 to 29 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow, mainly between 7am and 1pm. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 22 to 28 mph, with gusts as high as 41 mph.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Granite City IL
 38.73°N 90.11°W (Elev. 417 ft)
Last Update:
11:41 am CDT Mar 14, 2026
Forecast Valid:
1pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation