National Weather Service

News Headlines

Latest Information on the KXI-79, Hillsboro IL NOAA Weather Radio Outage

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75° N Lon: 90.37° W Elev: 604 ft.

Mostly Cloudy

79°F

26°C

Humidity	72%
Wind Speed	Calm
Barometer	30.00 in (1014.9 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	12 Jul 11:51 pm CDT

More Information:

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

Detailed forecast for

St. Louis County

Rest Of Tonight

Partly cloudy. Lows in the lower 70s. Light and variable winds, becoming northwest around 5 mph.

Sunday

Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Temperature falling into the lower 80s in the afternoon. East winds around 5 mph, becoming south in the afternoon. Chance of rain 50 percent.

Sunday Night

Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Monday

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 20 percent.

Monday Night

Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent.

Tuesday

Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.

Tuesday Night

Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.

Wednesday And Wednesday Night

Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100.

Thursday

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 100.

Thursday Night

Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 40 percent.

Friday

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

Friday Night And Saturday

Partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 20 percent.