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Current conditions at

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

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

Fair

77°F

25°C

Humidity	85%
Wind Speed	Calm
Barometer	30.11 in (1018.9 mb)
Dewpoint	72°F (22°C)
Visibility	9.00 mi
Heat Index	78°F (26°C)
Last update	15 Jul 7:54 am CDT

More Information:

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

Detailed forecast for

Jefferson County

Today

Sunny. A slight chance of showers and thunderstorms this afternoon. Highs around 90. East winds around 5 mph. Chance of rain 20 percent.

Tonight

Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Thursday

Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Light and variable winds, becoming south around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 101.

Thursday Night

Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent.

Friday

Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 101.

Friday Night

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Chance of rain 20 percent.

Saturday And Saturday Night

Mostly clear. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 105.

Sunday

Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.

Sunday Night

Mostly clear. Lows in the lower 70s. Heat index values up to 105 early in the evening.

Monday

Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105.

Monday Night

A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.

Tuesday

Mostly sunny. Highs in the lower 90s.