Severe Weather Expected From the South to the Midwest; Critical Fire Weather in the Southwest; Excessive Heat in Texas

Isolated to scattered severe thunderstorms are expected to develop from the southern Plains to portions of the Midwest Friday. Damaging winds and very large hail will be the primary hazards. On the drier side of the system, critical fire weather conditions will be possible across the Southwest. Meanwhile, excessive heat concerns continue to impact portions of southern Texas and Florida. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Mostly Cloudy

84°F

29°C

Humidity	67%
Wind Speed	S 15 G 23 mph
Barometer	29.74 in (1006.7 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	24 May 10:53 am CDT

More Information:

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

Extended Forecast for

Affton MO

Today
High: 85 °F
Chance
T-storms
Tonight
Low: 62 °F
Chance
T-storms
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 67 °F
Mostly Clear
then Chance
T-storms
Sunday
High: 89 °F
Showers then
T-storms
Sunday Night
Low: 64 °F
T-storms
Likely
Memorial Day
High: 80 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 85. South wind around 10 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. South wind 5 to 8 mph becoming northwest after midnight.

Saturday

Sunny, with a high near 83. North wind around 5 mph becoming light and variable in the morning.

Saturday Night

A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 67. Southeast wind 3 to 7 mph. Chance of precipitation is 40%.

Sunday

Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm. High near 89. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Sunday Night

Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 64. Chance of precipitation is 60%.

Memorial Day

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80.

Monday Night

Mostly clear, with a low around 59.

Tuesday

Sunny, with a high near 80.

Tuesday Night

Mostly clear, with a low around 57.

Wednesday

Sunny, with a high near 78.