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

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

6°F

-14°C

Humidity 76%
Wind Speed Calm
Barometer 30.43 in (1032.0 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 20 Jan 1:54 am CST
Extended Forecast for

4 Miles ENE New Melle MO

  • Overnight

    Overnight: Mostly clear, with a low around 12. Southwest wind 3 to 5 mph.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 39. Southwest wind 5 to 9 mph.

    High: 39 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 32. Southwest wind 8 to 15 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 44. West wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 44 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22. Southwest wind 6 to 8 mph becoming northwest after midnight.

    Low: 22 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 18.

    High: 18 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 12. Southwest wind 3 to 5 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 39. Southwest wind 5 to 9 mph.
Tuesday Night
Increasing clouds, with a low around 32. Southwest wind 8 to 15 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 44. West wind 7 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 22. Southwest wind 6 to 8 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Mostly cloudy and cold, with a high near 18.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 13.
Saturday Night
A 30 percent chance of snow. Partly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly clear, with a low around 10.
Monday
Sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE New Melle MO
 38.72°N 90.82°W (Elev. 630 ft)
Last Update:
10:51 pm CST Jan 19, 2026
Forecast Valid:
2am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation