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Hazardous Weather Conditions

Heat Advisory until July 21, 07:00 PM CDT

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66° N Lon: 90.66° W Elev: 463 ft.

A Few Clouds

90°F

32°C

Humidity	45%
Wind Speed	NW 12 mph
Barometer	29.82 in (1008.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	21 Jul 4:54 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

St. Charles County

Tonight

Mostly clear. Cooler with lows in the upper 60s. North winds 10 to 15 mph.

Wednesday

Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph.

Wednesday Night

Partly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds 5 to 10 mph.

Thursday

Sunny. Highs in the lower 80s. Northeast winds around 5 mph.

Thursday Night

Partly cloudy. Lows in the lower 60s. East winds around 5 mph.

Friday

Partly sunny in the morning, then becoming mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 50 percent.

Friday Night

Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent.

Saturday

Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent.

Saturday Night And Sunday

Mostly clear. Hot. Lows around 70. Highs in the mid 90s. Heat index values up to 110.

Sunday Night

Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.

Monday

Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110.

Monday Night

Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening.

Tuesday

Sunny. Highs in the lower 90s.