Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
70°F
21°C
| Humidity | 73% |
| Wind Speed | Calm |
| Barometer | 30.11 in (1019.5 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 29 Sep 7:53 pm CDT |
Extended Forecast for
Granite City IL
Tonight
Low: 62 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 60 °F
Partly Cloudy
Wednesday
High: 88 °F
Partly Sunny
Wednesday Night
Low: 62 °F
Mostly Cloudy
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 63 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 62. Calm wind.
Tuesday
Sunny, with a high near 91. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 88. Calm wind becoming east around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 63.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 88.
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)
6:06 pm CDT Sep 29, 2025
8pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
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