Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
69°F
21°C
| Humidity | 68% |
| Wind Speed | NE 8 mph |
| Barometer | 30.31 in (1026.3 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 8.00 mi |
| Last update | 2 Aug 8:53 am CDT |
Extended Forecast for
Granite City IL
Today
High: 81 °F
Mostly Sunny
Tonight
Low: 60 °F
Partly Cloudy
Sunday
High: 83 °F
Mostly Sunny
Sunday Night
Low: 65 °F
Partly Cloudy
Monday
High: 84 °F
Partly Sunny
Monday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 87 °F
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 81. Northeast wind 8 to 11 mph.
Tonight
Partly cloudy, with a low around 60. Northeast wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 83. Northeast wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 65. Northeast wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 84. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 94.
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)
5:26 am CDT Aug 2, 2025
9am CDT Aug 2, 2025-6pm CDT Aug 8, 2025
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