National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

49°F

9°C

Humidity 52%
Wind Speed Calm
Barometer 30.06 in (1018.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 Feb 8:51 am CST
Extended Forecast for

Saint Louis MO

  • Today

    Today: Rain, mainly after 10am. High near 51. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 100%.

    High: 51 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 45. East wind 8 to 11 mph becoming northeast after midnight. Chance of precipitation is 100%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 58. Northeast wind 6 to 11 mph.

    High: 58 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly after 10am. High near 51. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 100%.
Tonight
Rain. Low around 45. East wind 8 to 11 mph becoming northeast after midnight. Chance of precipitation is 100%.
Sunday
A 20 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 58. Northeast wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 39. Light and variable wind.
Washington's Birthday
Mostly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly cloudy, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 70.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
8:32 am CST Feb 14, 2026
Forecast Valid:
9am CST Feb 14, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation