Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
71°F
22°C
| Humidity | 66% |
| Wind Speed | N 8 mph |
| Barometer | 30.04 in (1016.8 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 23 Aug 11:53 pm CDT |
Extended Forecast for
Granite City IL
Overnight
Low: 60 °F
Clear
Sunday
High: 79 °F
Sunny
Sunday Night
Low: 56 °F
Mostly Clear
Monday
High: 78 °F
Increasing
CloudsMonday Night
Low: 54 °F
Partly Cloudy
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 52 °F
Mostly Clear
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 60. Northwest wind around 6 mph.
Sunday
Sunny, with a high near 79. Light northwest wind increasing to 9 to 14 mph in the morning.
Sunday Night
Mostly clear, with a low around 56. Northwest wind 5 to 8 mph.
Monday
Increasing clouds, with a high near 78. North wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 62.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
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)
11:56 pm CDT Aug 23, 2025
12am CDT Aug 24, 2025-6pm CDT Aug 30, 2025
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