


Hazardous Weather Conditions
Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
A Few Clouds
83°F
28°C
Humidity | 70% |
Wind Speed | SW 7 mph |
Barometer | 30.17 in (1020.1 mb) |
Dewpoint | 72°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 88°F (31°C) |
Last update | 25 Jun 12:51 am CDT |
Extended Forecast for
Saint Louis MO
Heat Advisory June 25, 01:01am until June 26, 09:00pm
NOW until 9:00pm Thu
Heat Advisory
Overnight
Low: 77 °F
Mostly Clear
Wednesday
High: 96 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 77 °F
Chance
T-storms then
Mostly ClearThursday
High: 96 °F
Sunny
Thursday Night
Low: 77 °F
Mostly Clear
Friday
High: 95 °F
Sunny then
Slight Chance
T-stormsFriday Night
Low: 76 °F
Slight Chance
T-stormsSaturday
High: 94 °F
Chance
T-storms
Detailed Forecast
Overnight
Mostly clear, with a low around 77. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 96. Heat index values as high as 103. Southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 77. South wind 3 to 6 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Louis MO
38.64°N 90.23°W (Elev. 538 ft)
38.64°N 90.23°W (Elev. 538 ft)
12:52 am CDT Jun 25, 2025
1am CDT Jun 25, 2025-6pm CDT Jul 1, 2025