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

Heat Advisory in effect from June 9, 12:00 PM CDT until June 9, 10:00 PM CDT

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75° N Lon: 90.37° W Elev: 604 ft.

Mostly Cloudy

82°F

28°C

Humidity	74%
Wind Speed	SW 15 mph
Barometer	29.98 in (1014.0 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	9 Jun 8:51 am CDT

More Information:

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

Detailed forecast for

St. Louis City

Today

Mostly cloudy this morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 107 this afternoon.

Tonight

Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 108 early in the evening.

Wednesday

Sunny with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105.

Wednesday Night

Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. South winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening.

Thursday

Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. Heat index values up to 106.

Thursday Night

Showers with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 80 percent. Heat index values up to 105 early in the evening.

Friday

Mostly sunny. Highs in the mid 80s.

Friday Night

Mostly clear. Lows in the mid 60s.

Saturday

Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.

Saturday Night

Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the upper 60s. Chance of rain 50 percent.

Sunday And Sunday Night

Mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 50 percent.

Monday

Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent.