Hazardous Weather Conditions
Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Partly Cloudy
81°F
27°C
| Humidity | 42% |
| Wind Speed | SW 12 G 17 mph |
| Barometer | 29.69 in (1004.1 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 22 Mar 10:51 am CDT |
Extended Forecast for
Lambert-St. Louis International Airport MO
Today

High: 90 °F
Partly Sunny
Tonight
Low: 37 °F
Slight Chance
T-storms and
Breezy then
Mostly ClearMonday

High: 56 °F
Mostly Sunny
Monday Night

Low: 39 °F
Mostly Cloudy
Tuesday

High: 66 °F
Mostly Sunny
Tuesday Night

Low: 47 °F
Mostly Cloudy
Wednesday

High: 77 °F
Mostly Sunny
Wednesday Night

Low: 61 °F
Slight Chance
T-stormsThursday
High: 89 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Today
Partly sunny, with a high near 90. West wind 9 to 16 mph becoming north in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Breezy, with a north wind 13 to 22 mph, with gusts as high as 37 mph.
Monday
Mostly sunny, with a high near 56. Northeast wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 39. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 66. Southeast wind 7 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 54.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lambert-St. Louis International Airport MO
38.76°N 90.37°W (Elev. 551 ft)
38.76°N 90.37°W (Elev. 551 ft)
8:26 am CDT Mar 22, 2026
10am CDT Mar 22, 2026-6pm CDT Mar 28, 2026



