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.

Thunderstorm Light Rain Fog/Mist

67°F

19°C

Humidity	93%
Wind Speed	N 6 mph
Barometer	29.98 in (1015.0 mb)
Dewpoint	65°F (18°C)
Visibility	3.00 mi
Last update	18 May 11:53 am CDT

More Information:

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

Extended Forecast for

2 Miles W Fairview Heights IL

Flood Watch May 18, 12:12pm until May 18, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 18, 12:12pm until May 18, 07:00pm
NOW until 7:00pm Mon
Flood Watch
This Afternoon
High: 78 °F
T-storms
Tonight
Low: 67 °F
Showers
Likely then
Partly Cloudy
Tuesday
High: 86 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 59 °F
Showers
Wednesday
High: 70 °F
Mostly Cloudy
Wednesday Night
Low: 53 °F
Mostly Cloudy
Thursday
High: 74 °F
Partly Sunny
Thursday Night
Low: 59 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 78. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

Tonight

Showers and thunderstorms likely before 10pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 67. South wind 11 to 15 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 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

Tuesday Night

Showers and possibly a thunderstorm. Low around 59. Northwest wind 7 to 10 mph. Chance of precipitation is 80%.

Wednesday

Mostly cloudy, with a high near 70. North wind around 10 mph.

Wednesday Night

Mostly cloudy, with a low around 53.

Thursday

Partly sunny, with a high near 74.

Thursday Night

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

Friday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.