NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment
After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >
Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Light Rain
77°F
25°C
| Humidity | 74% |
| Wind Speed | W 3 mph |
| Barometer | 30.02 in (1016.3 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 19 May 3:53 pm CDT |
Extended Forecast for
4 Miles SW Waterloo IL
This Afternoon
High: 73 °F
Chance
T-stormsTonight
Low: 55 °F
Chance
T-stormsWednesday
High: 63 °F
Mostly Cloudy
Wednesday Night
Low: 52 °F
Mostly Cloudy
Thursday
High: 71 °F
Mostly Cloudy
Thursday Night
Low: 56 °F
Chance
Showers then
Showers
LikelyFriday
High: 73 °F
Showers
Friday Night
Low: 57 °F
Chance
ShowersSaturday
High: 79 °F
Partly Sunny
then Chance
T-storms
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 73. Southwest wind around 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 55. North wind 7 to 10 mph.
Wednesday
Mostly cloudy, with a high near 63. North wind 8 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 52. Northeast wind around 7 mph.
Thursday
Mostly cloudy, with a high near 71. East wind around 8 mph.
Thursday Night
Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm. High near 73. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 57.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Memorial Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Additional Forecasts and Information
Basemap Options
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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)
2:25 pm CDT May 19, 2026
4pm CDT May 19, 2026-6pm CDT May 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
