Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
48°F
9°C
| Humidity | 83% |
| Wind Speed | S 3 mph |
| Barometer | 29.92 in (1012.8 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 3:53 am CDT |
Extended Forecast for
Granite City IL
Today
High: 85 °F
Mostly Sunny
Tonight
Low: 50 °F
Partly Cloudy
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 61 °F
Clear
Sunday
High: 89 °F
Mostly Sunny
Sunday Night
Low: 42 °F
Partly Cloudy
Monday
High: 60 °F
Mostly Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 61 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 85. Southwest wind 5 to 11 mph becoming west in the afternoon.
Tonight
Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 61. South wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 89. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Sunny, with a high near 79.
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)
3:21 am CDT Mar 20, 2026
4am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
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