Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fog
48°F
9°C
| Humidity | 100% |
| Wind Speed | S 5 mph |
| Barometer | 29.57 in (1001.3 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 0.25 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 19 Feb 5:53 am CST |
Extended Forecast for
4 Miles SW Waterloo IL
Dense Fog Advisory until February 19, 09:00am
NOW until 9:00am Thu
Dense Fog Advisory
Today
High: 70 °F
Scattered
T-storms and
Patchy Dense
FogTonight
Low: 36 °F
Mostly Clear
Friday
High: 50 °F
Sunny
Friday Night
Low: 30 °F
Partly Cloudy
Saturday
High: 46 °F
Mostly Sunny
then Slight
Chance
Rain/SnowSaturday Night
Low: 25 °F
Mostly Clear
Sunday
High: 39 °F
Sunny
Sunday Night
Low: 20 °F
Mostly Clear
Detailed Forecast
Today
Scattered showers and thunderstorms, mainly before 2pm. Patchy dense fog between 7am and 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Tonight
Mostly clear, with a low around 36. West wind 9 to 18 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 50. West wind 12 to 17 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Partly cloudy, with a low around 30. North wind 3 to 6 mph.
Saturday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 46. North wind 6 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Waterloo IL
38.29°N 90.19°W (Elev. 633 ft)
38.29°N 90.19°W (Elev. 633 ft)
6:26 am CST Feb 19, 2026
6am CST Feb 19, 2026-6pm CST Feb 25, 2026
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