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.
Fair
84°F
29°C
| Humidity | 70% |
| Wind Speed | W 8 mph |
| Barometer | 30.01 in (1015.6 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 9 Jun 9:53 am CDT |
Extended Forecast for
Waterloo IL
Heat Advisory June 9, 12:00pm until June 9, 10:00pm
Today
High: 90 °F
Chance
T-stormsTonight
Low: 73 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 74 °F
Mostly Clear
Thursday
High: 93 °F
Sunny then
Slight Chance
T-stormsThursday Night
Low: 68 °F
Showers
Friday
High: 84 °F
Mostly Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 87 °F
Slight Chance
Showers
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Partly sunny, with a high near 90. Heat index values as high as 108. Southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 73. Southwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 93. Heat index values as high as 105. South wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind 8 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. South wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 68. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 64.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Waterloo IL
38.33°N 90.16°W (Elev. 600 ft)
38.33°N 90.16°W (Elev. 600 ft)
8:36 am CDT Jun 9, 2026
10am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
