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, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

57°F

14°C

Humidity	78%
Wind Speed	N 8 mph
Barometer	30.19 in (1021.9 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	20 May 4:54 am CDT

More Information:

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

Extended Forecast for

Chesterfield MO

Overnight
Low: 55 °F
Chance
Showers
Wednesday
High: 68 °F
Slight Chance
Showers then
Mostly Cloudy
Wednesday Night
Low: 52 °F
Mostly Cloudy
Thursday
High: 73 °F
Mostly Cloudy
Thursday Night
Low: 57 °F
Mostly Cloudy
then Chance
Showers
Friday
High: 72 °F
Showers
Friday Night
Low: 59 °F
Slight Chance
T-storms then
Slight Chance
Showers
Saturday
High: 82 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 62 °F
Slight Chance
T-storms then
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers. Cloudy, with a low around 55. North wind around 8 mph.

Wednesday

A 20 percent chance of showers before 8am. Mostly cloudy, with a high near 68. North wind 7 to 9 mph.

Wednesday Night

Mostly cloudy, with a low around 52. Northeast wind 3 to 6 mph.

Thursday

Mostly cloudy, with a high near 73. East wind 5 to 8 mph.

Thursday Night

A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 57. East wind around 7 mph. Chance of precipitation is 50%.

Friday

Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 90%.

Friday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

Saturday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

Saturday Night

A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62.

Sunday

A 50 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 62.

Memorial Day

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 64.