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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
18°F
-8°C
| Humidity | 57% |
| Wind Speed | SW 6 mph |
| Barometer | 30.21 in (1023.9 mb) |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | 10°F (-12°C) |
| Last update | 27 Jan 2:53 am CST |
Extended Forecast for
Granite City IL
Overnight
Low: 14 °F
Mostly Clear
Tuesday
High: 29 °F
Sunny
Tuesday Night
Low: 0 °F
Mostly Clear
Wednesday
High: 30 °F
Mostly Sunny
Wednesday Night
Low: 9 °F
Mostly Cloudy
Thursday
High: 20 °F
Cold
Thursday Night
Low: 1 °F
Mostly Cloudy
Friday
High: 16 °F
Cold
Friday Night
Low: 0 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 14. Southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 29. West wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 0. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 30. Calm wind becoming west around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 9. Light and variable wind.
Thursday
Mostly cloudy and cold, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 1.
Friday
Mostly sunny and cold, with a high near 16.
Friday Night
Mostly clear, with a low around 0.
Saturday
Mostly sunny and cold, with a high near 19.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 34.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Granite City IL
38.73°N 90.11°W (Elev. 417 ft)
38.73°N 90.11°W (Elev. 417 ft)
3:16 am CST Jan 27, 2026
3am CST Jan 27, 2026-6pm CST Feb 2, 2026
Additional Resources
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