NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Thunderstorm Heavy Rain

68°F

20°C

Humidity	84%
Wind Speed	N 17 G 30 mph
Barometer	29.94 in (1013.0 mb)
Dewpoint	63°F (17°C)
Visibility	0.75 mi
Last update	18 May 8:54 am CDT

More Information:

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

Extended Forecast for

Valley Park MO

Flood Watch May 18, 09:49am until May 18, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 18, 09:49am until May 18, 07:00pm
NOW until 7:00pm Mon
Flood Watch
Today
High: 73 °F
Showers then
T-storms
Tonight
Low: 67 °F
Showers
Likely then
Chance
T-storms
Tuesday
High: 86 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 56 °F
Showers
Wednesday
High: 70 °F
Mostly Cloudy
Wednesday Night
Low: 52 °F
Mostly Cloudy
Thursday
High: 75 °F
Partly Sunny
Thursday Night
Low: 58 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Today

Showers and possibly a thunderstorm. Steady temperature around 73. South wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

Tonight

Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 67. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Tuesday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 86. Southwest wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%.

Tuesday Night

Showers and possibly a thunderstorm. Low around 56. Northwest wind 5 to 7 mph. Chance of precipitation is 80%.

Wednesday

Mostly cloudy, with a high near 70. North wind around 7 mph.

Wednesday Night

Mostly cloudy, with a low around 52.

Thursday

Partly sunny, with a high near 75.

Thursday Night

A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 58.

Friday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

Friday Night

A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

Saturday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

Saturday Night

Partly cloudy, with a low around 62.

Sunday

Mostly sunny, with a high near 88.