
Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.
Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >
Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66° N Lon: 90.66° W Elev: 463 ft.
Fair
70°F
21°C
| Humidity | 79% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1014.3 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 31 Aug 1:54 am CDT |
Detailed forecast for
St. Charles County
Rest Of Tonight
Mostly clear. Near steady temperature in the lower 70s. South winds 5 to 10 mph.
Monday
Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph.
Monday Night
Clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 101 early in the evening.
Tuesday
Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph.
Tuesday Night
Clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 104 early in the evening.
Wednesday
Sunny, hot with highs in the upper 90s.
Wednesday Night Through Thursday Night
Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 105.
Friday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 100.
Friday Night
Mostly clear. Lows in the mid 70s.
Saturday
Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
Saturday Night And Sunday
Mostly clear. Lows in the lower 70s. Highs in the lower 90s.
Additional Forecasts and Information
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