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.

Light Rain

69°F

21°C

Humidity	84%
Wind Speed	SW 6 G 18 mph
Barometer	30.03 in (1016.8 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	19 May 8:53 am CDT

More Information:

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

Extended Forecast for

3 Miles WSW Fairview Heights IL

Flood Watch May 19, 09:00am until May 19, 01:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 19, 09:00am until May 19, 01:00pm
NOW until 1:00pm Tue
Flood Watch
Today
High: 78 °F
Chance
T-storms
Tonight
Low: 59 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 71 °F
Slight Chance
Showers then
Mostly Cloudy
Wednesday Night
Low: 54 °F
Mostly Cloudy
Thursday
High: 73 °F
Mostly Cloudy
Thursday Night
Low: 59 °F
Slight Chance
Showers then
Showers
Likely
Friday
High: 74 °F
Showers
Friday Night
Low: 61 °F
Slight Chance
T-storms

Detailed Forecast

Today

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

Tonight

A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 59. North wind around 9 mph.

Wednesday

A 20 percent chance of showers before 8am. Mostly cloudy, with a high near 71. North wind 8 to 10 mph.

Wednesday Night

Mostly cloudy, with a low around 54. Northeast wind around 7 mph.

Thursday

Mostly cloudy, with a high near 73. East wind 7 to 9 mph.

Thursday Night

A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

Friday

Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61.

Saturday

Partly sunny, with a high near 81.

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.

Sunday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.