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

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Partly Cloudy

64°F

18°C

Humidity	96%
Wind Speed	Calm
Barometer	29.77 in (1007.6 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	17 May 3:54 am CDT

More Information:

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

Extended Forecast for

Chesterfield MO

Today
High: 78 °F
Partly Sunny
then
Scattered
Showers
Tonight
Low: 60 °F
Partly Cloudy
then Patchy
Fog
Saturday
High: 84 °F
Patchy Fog
then Sunny
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 67 °F
Partly Cloudy
Monday
High: 90 °F
Partly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 70 °F
Chance
T-storms
Tuesday
High: 92 °F
Chance
T-storms

Detailed Forecast

Today

Isolated showers, then scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

Tonight

Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. Light south wind.

Saturday

Patchy fog before 7am. Otherwise, sunny, with a high near 84. Light and variable wind.

Saturday Night

Mostly clear, with a low around 63. Calm wind.

Sunday

Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 67.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90.