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Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. 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.

Partly Cloudy

90°F

32°C

Humidity 54%
Wind Speed S 10 mph
Barometer 30.00 in (1014.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 20 Aug 5:51 pm CDT
Detailed forecast for

St. Louis County

Tonight
Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Low in the 70s. South wind around 10 mph in the evening becoming light after midnight.
Monday
Partly sunny early in the morning then becoming mostly cloudy. A 30 percent chance of showers and thunderstorms. High around 90. Light wind.
Monday Night
Partly cloudy until early morning then becoming mostly cloudy. A 50 percent chance of showers and thunderstorms. Low in the mid 70s. Light wind.
Tuesday
Mostly cloudy. Showers and thunderstorms likely in the morning, then chance of showers and thunderstorms in the afternoon. High in the lower 80s. West wind around 10 mph. Chance of rain 70 percent.
Tuesday Night
Cooler. Partly cloudy. Low in the upper 50s to mid 60s. Light wind.
Wednesday
Mostly sunny. High around 80.
Wednesday Night
Clear. Low around 60.
Thursday And Thursday Night
Mostly clear. High around 80. Low near 60.
Friday Through Sunday
Partly cloudy. High in the lower 80s. Low in the upper 50s to upper 60s.



Click Map For Forecast
551 PM CDT Sun Aug 20 2017
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database