Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
52°F
11°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.99 in (1015.3 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 9:53 pm CDT |
Extended Forecast for
Granite City IL
Tonight
Low: 53 °F
Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 55 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 59 °F
Clear
Saturday
High: 91 °F
Sunny
Saturday Night
Low: 61 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 53. South wind 3 to 5 mph.
Wednesday
Sunny, with a high near 90. Southwest wind 5 to 8 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. North wind around 5 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 60.
Columbus Day
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 62.
Tuesday
A 30 percent chance of showers. Sunny, with a high near 84.
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)
7:31 pm CDT Oct 6, 2026
10pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
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