Summer Heat In Multiple Spots

A large dome of high pressure is expected to deliver summer heat with humidity in multiple sections of the country to start off the week. Excessive heat warnings and heat advisories are in effect across the south-central Plains, Mid to Lower Mississippi Valley and from the Mid-Atlantic into the Northeast. This includes the cities of New York, Philadelphia, Dallas, Oklahoma City and Kansas City. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

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

Fair

80°F

27°C

Humidity 71%
Wind Speed S 5 mph
Barometer 29.94 in (1012.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Aug 11:51 pm CDT
Detailed forecast for

St. Louis City

Tonight
Mostly clear. Patchy fog after midnight. Low in the lower to mid 70s. Light wind.
Monday
Hot and humid. Patchy fog in the morning. Partly cloudy with a 30 percent chance of showers and thunderstorms. High in the lower 90s. Highest heat index readings of around 100 in the afternoon. Light wind.
Monday Night
Mostly clear. A 20 percent chance of showers and thunderstorms in the evening. Low in the 70s. Light wind.
Tuesday
Hot and humid. Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. High in the mid 90s. Highest heat index readings of around 109 in the afternoon. Light wind.
Tuesday Night
Partly cloudy with a 30 percent chance of showers and thunderstorms. Low in the 70s. Highest heat index readings of around 100 early in the evening. Light wind.
Wednesday
Hot and humid. Mostly cloudy with a 40 percent chance of showers and thunderstorms. High around 90. Temperature falling into the 80s in the afternoon. Heat index readings of around 106.
Wednesday Night
Mostly cloudy with a 30 percent chance of showers and thunderstorms. Low around 70.
Thursday
Mostly cloudy with a 40 percent chance of showers and thunderstorms. High in the lower 80s.
Thursday Night
Partly cloudy with a 20 percent chance of showers and thunderstorms. Low in the mid 60s.
Friday
Partly cloudy with a 30 percent chance of showers and thunderstorms. High in the lower 80s.
Friday Night
Partly cloudy. Low in the mid 60s.
Saturday
Partly cloudy with a 20 percent chance of showers and thunderstorms. High in the mid 80s.
Saturday Night And Sunday
Partly cloudy. Low in the upper 60s. High in the upper 80s.



Click Map For Forecast
1136 PM CDT Sun Aug 18 2019
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database