Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Thunderstorm Light Rain

72°F

22°C

Humidity	82%
Wind Speed	SW 9 G 17 mph
Barometer	29.77 in (1007.8 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	17 May 3:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles SW Mehlville MO

Flood Advisory May 17, 04:29pm until May 17, 06:30pm

Click here for hazard details and duration

Flood Advisory

Flood Advisory May 17, 04:29pm until May 17, 06:30pm
NOW until 6:30pm Fri
Flood Advisory
This Afternoon
High: 78 °F
Scattered
T-storms
Tonight
Low: 60 °F
Isolated
T-storms then
Patchy Fog
Saturday
High: 84 °F
Areas Fog
then Mostly
Sunny
Saturday Night
Low: 62 °F
Mostly Clear
Sunday
High: 88 °F
Patchy Fog
then Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind around 5 mph. Chance of precipitation is 30%.

Tonight

Isolated showers and thunderstorms before 9pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 60. Light south wind. Chance of precipitation is 20%.

Saturday

Areas of fog before 9am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 62. Light south wind.

Sunday

Patchy fog before 8am. Otherwise, sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 66.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

Tuesday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Wednesday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.

Thursday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 81.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Friday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.