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 Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

66°F

19°C

Humidity	93%
Wind Speed	S 3 mph
Barometer	30.00 in (1015.6 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	19 May 6:53 am CDT

More Information:

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

Extended Forecast for

2 Miles SE Scott Air Force Base / Belleville IL

Flood Watch May 19, 07:23am until May 19, 01:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 19, 07:23am until May 19, 01:00pm
NOW until 1:00pm Tue
Flood Watch
Today
High: 78 °F
Showers then
Chance
T-storms
Tonight
Low: 57 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 70 °F
Slight Chance
T-storms then
Mostly Cloudy
Wednesday Night
Low: 52 °F
Mostly Cloudy
Thursday
High: 72 °F
Mostly Cloudy
Thursday Night
Low: 57 °F
Slight Chance
Showers then
Showers
Likely
Friday
High: 73 °F
Showers
Friday Night
Low: 59 °F
Chance
Showers

Detailed Forecast

Today

Showers, with thunderstorms also possible after 10am. High near 78. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Tonight

A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 57. North wind 7 to 10 mph.

Wednesday

A 20 percent chance of showers and thunderstorms before 9am. Mostly cloudy, with a high near 70. North wind around 10 mph.

Wednesday Night

Mostly cloudy, with a low around 52. Northeast wind 7 to 9 mph.

Thursday

Mostly cloudy, with a high near 72. East wind 8 to 10 mph.

Thursday Night

A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

Friday

Showers and possibly a thunderstorm. High near 73. Chance of precipitation is 80%.

Friday Night

A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59.

Saturday

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

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.

Sunday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.