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

68°F

20°C

Humidity	84%
Wind Speed	NA
Barometer	29.92 in (1012.8 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	18 May 7:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles SSE Festus MO

Flood Watch May 18, 08:46pm until May 19, 01:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 18, 08:46pm until May 19, 01:00pm
NOW until 1:00pm Tue
Flood Watch
Tonight
Low: 67 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 83 °F
Chance
T-storms then
T-storms
Likely
Tuesday Night
Low: 55 °F
T-storms
Likely then
Showers
Likely
Wednesday
High: 69 °F
Chance
Showers
Wednesday Night
Low: 50 °F
Mostly Cloudy
Thursday
High: 73 °F
Mostly Cloudy
then Slight
Chance
Showers
Thursday Night
Low: 56 °F
Slight Chance
Showers then
Showers
Likely
Friday
High: 76 °F
Showers

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Tuesday

Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 83. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Tuesday Night

Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 4am, then showers likely after 4am. Cloudy, with a low around 55. North wind 3 to 5 mph. Chance of precipitation is 70%.

Wednesday

A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 69. North wind around 6 mph.

Wednesday Night

Mostly cloudy, with a low around 50. Northeast wind 3 to 5 mph.

Thursday

A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 73.

Thursday Night

A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

Friday

Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.

Saturday Night

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

Sunday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

Sunday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 62.