
Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.
Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >
Hazardous Weather Conditions
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
77°F
25°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 30.20 in (1022.3 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 16 Sep 5:53 pm CDT |
Herculaneum MO
NOW until 8:00pm Sat
Heat Advisory
Tonight
Low: 72 °F
Chance
T-storms then
Partly CloudyThursday
High: 98 °F
Sunny then
Slight Chance
T-stormsThursday Night

Low: 72 °F
Mostly Clear
Friday

High: 96 °F
Sunny
Friday Night

Low: 70 °F
Mostly Clear
Saturday

High: 97 °F
Hot
Saturday Night
Low: 70 °F
Partly Cloudy
then Slight
Chance
T-stormsSunday
High: 94 °F
Mostly Sunny
then Slight
Chance
Showers
Detailed Forecast
Additional Forecasts and Information
ABOUT THIS FORECAST
38.27°N 90.39°W (Elev. 456 ft)



