Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
A Few Clouds
75°F
24°C
| Humidity | 66% |
| Wind Speed | NE 3 mph |
| Barometer | 30.04 in (1016.8 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 24 Aug 7:53 pm CDT |
Extended Forecast for
Fairview Heights IL
Tonight
Low: 65 °F
Chance
Showers then
Partly CloudyTuesday

High: 87 °F
Mostly Sunny
Tuesday Night

Low: 69 °F
Increasing
CloudsWednesday
High: 91 °F
Partly Sunny
then Slight
Chance
T-stormsWednesday Night

Low: 69 °F
Slight Chance
T-stormsThursday

High: 88 °F
Sunny
Thursday Night

Low: 66 °F
Mostly Clear
Friday

High: 88 °F
Sunny
Friday Night

Low: 66 °F
Mostly Clear
Detailed Forecast
Tonight
A 30 percent chance of showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. East wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 87. Southeast wind around 6 mph.
Tuesday Night
Increasing clouds, with a low around 69. East wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 69. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 90.
Saturday Night
A 20 percent chance of showers. Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny, with a high near 95.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fairview Heights IL
38.59°N 90.01°W (Elev. 548 ft)
38.59°N 90.01°W (Elev. 548 ft)
7:21 pm CDT Aug 24, 2026
8pm CDT Aug 24, 2026-6pm CDT Aug 31, 2026


