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

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

49°F

9°C

Humidity 83%
Wind Speed Calm
Barometer 29.88 in (1011.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 21 Mar 7:54 am CDT
Extended Forecast for

4 Miles ENE New Melle MO

  • Today

    Today: Sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Light south wind becoming southwest 5 to 10 mph in the evening. Winds could gust as high as 21 mph.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 88. Southwest wind 10 to 17 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 88 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Breezy, with a north wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 39 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. North wind 7 to 9 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 66. Light south wind becoming southwest 5 to 10 mph in the evening. Winds could gust as high as 21 mph.
Sunday
Increasing clouds, with a high near 88. Southwest wind 10 to 17 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Breezy, with a north wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Monday
Mostly sunny, with a high near 57. North wind 7 to 9 mph.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 74.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE New Melle MO
 38.72°N 90.82°W (Elev. 630 ft)
Last Update:
7:41 am CDT Mar 21, 2026
Forecast Valid:
8am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation