Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
43°F
6°C
| Humidity | 76% |
| Wind Speed | S 3 mph |
| Barometer | 30.21 in (1023.2 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 2 Nov 10:53 pm CST |
Extended Forecast for
Granite City IL
Tonight
Low: 38 °F
Mostly Clear
Monday
High: 65 °F
Sunny
Monday Night
Low: 40 °F
Mostly Clear
Tuesday
High: 71 °F
Sunny
Tuesday Night
Low: 53 °F
Partly Cloudy
Wednesday
High: 73 °F
Sunny
Wednesday Night
Low: 42 °F
Clear
Thursday
High: 68 °F
Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 38. South wind 5 to 7 mph.
Monday
Sunny, with a high near 65. South wind 5 to 9 mph becoming north in the afternoon.
Monday Night
Mostly clear, with a low around 40. Light and variable wind.
Tuesday
Sunny, with a high near 71. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 53. South wind 7 to 11 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 54.
Friday
A 30 percent chance of showers before noon. Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 56.
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)
9:16 pm CST Nov 2, 2025
10pm CST Nov 2, 2025-6pm CST Nov 9, 2025
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