Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
25°F
-4°C
| Humidity | 78% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.11 in (1020.2 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 19°F (-7°C) |
| Last update | 2 Dec 12:53 pm CST |
Extended Forecast for
Granite City IL
This Afternoon
High: 27 °F
Partly Sunny
Tonight
Low: 20 °F
Partly Cloudy
Wednesday
High: 40 °F
Increasing
CloudsWednesday Night
Low: 15 °F
Slight Chance
SnowThursday
High: 23 °F
Mostly Sunny
Thursday Night
Low: 13 °F
Partly Cloudy
Friday
High: 38 °F
Mostly Sunny
Friday Night
Low: 23 °F
Partly Cloudy
Saturday
High: 37 °F
Partly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 27. West wind around 5 mph becoming light and variable.
Tonight
Partly cloudy, with a low around 20. Calm wind becoming south around 5 mph after midnight.
Wednesday
Increasing clouds, with a high near 40. South wind around 6 mph becoming northwest in the afternoon.
Wednesday Night
A 20 percent chance of snow after 9pm. Cloudy, with a low around 15. North wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 23. North wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 35.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Granite City IL
38.71°N 90.11°W (Elev. 413 ft)
38.71°N 90.11°W (Elev. 413 ft)
12:51 pm CST Dec 2, 2025
1pm CST Dec 2, 2025-6pm CST Dec 8, 2025
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