Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
33°F
1°C
| Humidity | 43% |
| Wind Speed | SW 5 mph |
| Barometer | 30.19 in (1022.8 mb) |
| Dewpoint | 13°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 30 Dec 5:53 pm CST |
Extended Forecast for
Granite City IL
Tonight
Low: 28 °F
Mostly Clear
Wednesday
High: 44 °F
Increasing
CloudsWednesday Night
Low: 26 °F
Partly Cloudy
New Year's Day
High: 38 °F
Partly Sunny
Thursday Night
Low: 29 °F
Mostly Cloudy
Friday
High: 43 °F
Mostly Cloudy
Friday Night
Low: 25 °F
Mostly Cloudy
Saturday
High: 41 °F
Mostly Sunny
Saturday Night
Low: 27 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 28. Southwest wind 6 to 8 mph.
Wednesday
Increasing clouds, with a high near 44. West wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 26. West wind around 6 mph becoming light and variable after midnight.
New Year's Day
Partly sunny, with a high near 38. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 29. Calm wind.
Friday
Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 48.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Granite City IL
38.71°N 90.14°W (Elev. 410 ft)
38.71°N 90.14°W (Elev. 410 ft)
5:11 pm CST Dec 30, 2025
6pm CST Dec 30, 2025-6pm CST Jan 6, 2026
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