Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

60°F

16°C

Humidity 84%
Wind Speed NW 5 mph
Barometer 30.08 in (1017.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Aug 5:51 am CDT
Extended Forecast for

Saint Ann MO

  • Today

    Today: Sunny, with a high near 81. Light northwest wind increasing to 8 to 13 mph in the morning.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 5 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Northwest wind 5 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the morning.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers.  Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 81. Light northwest wind increasing to 8 to 13 mph in the morning.
Tonight
Mostly clear, with a low around 57. Northwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 77. Northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Ann MO
 38.73°N 90.4°W (Elev. 597 ft)
5:41 am CDT Aug 24, 2025
6am CDT Aug 24, 2025-6pm CDT Aug 30, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database