Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

54°F

12°C

Humidity 51%
Wind Speed S 7 mph
Barometer 30.51 in (1033.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 18 Oct 9:51 am CDT
Extended Forecast for

Saint Ann MO

  • Today

    Today: Sunny, with a high near 68. South wind around 8 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 68. South wind around 8 mph.
Tonight
Clear, with a low around 44. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 71. Light and variable wind.
Monday Night
Mostly clear, with a low around 46. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 52.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Ann MO
 38.73°N 90.4°W (Elev. 597 ft)
8:56 am CDT Oct 18, 2026
10am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database