Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
A Few Clouds
70°F
21°C
| Humidity | 73% |
| Wind Speed | W 3 mph |
| Barometer | 29.93 in (1013.3 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 3 Sep 8:53 am CDT |
Extended Forecast for
Collinsville IL
Today
High: 86 °F
Sunny
Tonight
Low: 56 °F
Showers
LikelyThursday
High: 74 °F
Becoming
SunnyThursday Night
Low: 60 °F
Mostly Clear
Friday
High: 75 °F
Mostly Sunny
then Slight
Chance
ShowersFriday Night
Low: 52 °F
Chance
ShowersSaturday
High: 76 °F
Sunny
Saturday Night
Low: 51 °F
Mostly Clear
Sunday
High: 78 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 86. West wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely before 1am, then scattered showers. Mostly cloudy, with a low around 56. West wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 74. North wind around 7 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 60. Calm wind becoming south 5 to 7 mph after midnight.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 75. Northwest wind 7 to 10 mph.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 52.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Collinsville IL
38.68°N 89.97°W (Elev. 502 ft)
38.68°N 89.97°W (Elev. 502 ft)
7:51 am CDT Sep 3, 2025
9am CDT Sep 3, 2025-6pm CDT Sep 9, 2025
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