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

Hazardous Weather Outlook

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

72°F

22°C

Humidity	76%
Wind Speed	E 5 mph
Barometer	30.02 in (1016.2 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	26 May 8:53 am CDT

More Information:

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

Extended Forecast for

3 Miles SE Swansea IL

Today
High: 79 °F
Cloudy then
Slight Chance
T-storms
Tonight
Low: 64 °F
Chance
Showers
Wednesday
High: 82 °F
Slight Chance
T-storms
Wednesday Night
Low: 64 °F
Partly Cloudy
Thursday
High: 84 °F
Partly Sunny
Thursday Night
Low: 64 °F
Mostly Cloudy
Friday
High: 79 °F
Mostly Cloudy
Friday Night
Low: 61 °F
Mostly Cloudy
Saturday
High: 80 °F
Partly Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming east 5 to 7 mph in the afternoon.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Wednesday

A slight chance of showers, with thunderstorms also possible after 10am. Cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

Wednesday Night

Partly cloudy, with a low around 64. Light northeast wind.

Thursday

Partly sunny, with a high near 84. East wind 5 to 10 mph.

Thursday Night

Mostly cloudy, with a low around 64.

Friday

Mostly cloudy, with a high near 79.

Friday Night

Mostly cloudy, with a low around 61.

Saturday

Partly sunny, with a high near 80.