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Severe Thunderstorms and Heavy Rain Exacerbate Ongoing Flooding; Cold and Wintry Continue Out West

A developing wave will bring a threat of severe thunderstorms Saturday from the Arklatex area to the Middle Mississippi Valley; and may produce tornadoes, damaging winds, and large hail; including potential for significant tornadoes and very large hail. Additional heavy rain will increase ongoing flooding. Heavy western mountain and Upper Midwest snow; and ice in the Northeast is also expected. 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.




Humidity 80%
Wind Speed NW 7 mph
Barometer 30.25 in (1024.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 23 Feb 2:51 pm CST
Detailed forecast for

St. Louis City

Late This Afternoon
Cloudy with a 20 percent chance of showers. Temperature falling to the upper 40s. Light wind.
Showers in the evening, then showers and slight chance of thunderstorms after midnight. Patchy fog through the night. Low in the lower 40s. Light wind in the evening becoming northeast around 10 mph after midnight. Chance of rain near 100 percent.
Warmer. Showers and chance of thunderstorms. High around 60. East wind around 10 mph in the morning shifting to the southeast in the afternoon. Chance of rain 90 percent.
Saturday Night
Breezy. Mostly cloudy with rain showers likely and chance of thunderstorms in the evening, then partly cloudy after midnight. Low in the mid 30s. Southwest wind 10 to 15 mph in the evening shifting to the west after midnight. Gusts up to 30 mph. Chance of rain 60 percent.
Sunny. High in the mid 50s. Southwest wind around 10 mph.
Sunday Night
Mostly clear. Low in the lower 30s. Light wind.
Sunny. High around 60.
Monday Night
Clear. Low in the upper 30s.
Partly cloudy. High in the mid 60s.
Tuesday Night
Showers likely. Low in the upper 40s. Chance of rain 60 percent.
Cloudy with a 40 percent chance of showers. High in the lower 60s.
Wednesday Night
Showers likely. Low in the mid 40s. Chance of rain 70 percent.
Breezy. Partly sunny with a 30 percent chance of showers. High in the upper 50s.
Thursday Night And Friday
Partly cloudy. Low in the mid 30s. High in the mid 50s.

Click Map For Forecast
321 PM CST Fri Feb 23 2018

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database