Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Light Rain and Breezy
42°F
6°C
| Humidity | 82% |
| Wind Speed | W 23 G 36 mph |
| Barometer | 29.52 in (999.4 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 9.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 15 Mar 6:53 pm CDT |
Extended Forecast for
3 Miles E Valmeyer IL
Wind Advisory March 15, 07:26pm until March 16, 12:00pm
NOW until 12:00pm Mon
Wind Advisory
Tonight
Low: 22 °F
Rain/Snow
Likely and
BreezyMonday
High: 28 °F
Blustery.
Slight Chance
Snow then
Scattered
FlurriesMonday Night

Low: 15 °F
Mostly Clear
Tuesday

High: 37 °F
Mostly Sunny
Tuesday Night
Low: 31 °F
Slight Chance
Snow then
Slight Chance
Rain/SnowWednesday

High: 62 °F
Mostly Sunny
Wednesday Night

Low: 43 °F
Partly Cloudy
Thursday

High: 71 °F
Sunny
Detailed Forecast
Tonight
Rain and snow likely before 2am, then scattered flurries between 2am and 4am, then a slight chance of snow after 4am. Cloudy, with a low around 22. Breezy, with a west wind 24 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Scattered flurries with a slight chance of snow before noon, then scattered flurries between noon and 1pm. Cloudy, with a high near 28. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 15. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of snow before 1am, then a slight chance of rain. Mostly cloudy, with a low around 31. Southeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles E Valmeyer IL
38.31°N 90.25°W (Elev. 646 ft)
38.31°N 90.25°W (Elev. 646 ft)
6:51 pm CDT Mar 15, 2026
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026



