Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
74°F
23°C
| Humidity | 33% |
| Wind Speed | S 16 G 25 mph |
| Barometer | 29.59 in (1001.9 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 18 Mar 6:53 pm CDT |
Extended Forecast for
O'Fallon IL
Wind Advisory March 19, 09:00am until March 19, 07:00pm
Tonight
Low: 59 °F
Mostly Cloudy
Wednesday
High: 71 °F
Breezy.
Mostly Sunny
then Slight
Chance
T-stormsWednesday Night
Low: 35 °F
Breezy.
Chance Rain
then Chance
Rain/SnowThursday
High: 51 °F
Breezy.
Chance Snow
then SunnyThursday Night
Low: 33 °F
Mostly Clear
Friday
High: 62 °F
Mostly Sunny
then Partly
Sunny and
BreezyFriday Night
Low: 42 °F
Slight Chance
RainSaturday
High: 60 °F
Mostly Sunny
Saturday Night
Low: 42 °F
Partly Cloudy
then Chance
Rain
Detailed Forecast
Tonight
Mostly cloudy, with a low around 59. South wind 14 to 17 mph, with gusts as high as 33 mph.
Wednesday
A slight chance of showers and thunderstorms between noon and 3pm. Mostly sunny, with a high near 71. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain and snow before 4am, then a chance of rain between 4am and 5am, then a chance of rain and snow after 5am. Increasing clouds, with a low around 35. Breezy, with a southwest wind 23 to 28 mph becoming northwest after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 50%.
Thursday
A 30 percent chance of snow before 7am. Cloudy through mid morning, then gradual clearing, with a high near 51. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 32 mph.
Thursday Night
Mostly clear, with a low around 33. Northwest wind 5 to 8 mph becoming light and variable.
Friday
Partly sunny, with a high near 62. Breezy.
Friday Night
A 20 percent chance of rain before 1am. Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 42.
Sunday
Rain, with thunderstorms also possible after 1pm. High near 62. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of rain. Partly cloudy, with a low around 40.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 59.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 38.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
Additional Forecasts and Information
ABOUT THIS FORECAST
Point Forecast:
O'Fallon IL
38.59°N 89.92°W (Elev. 551 ft)
38.59°N 89.92°W (Elev. 551 ft)
7:36 pm CDT Mar 18, 2025
7pm CDT Mar 18, 2025-6pm CDT Mar 25, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
