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

38°F

3°C

Humidity 44%
Wind Speed SW 8 mph
Barometer 30.51 in (1034.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Jan 2:54 pm CST
Extended Forecast for

4 Miles NNE Defiance MO

  • Tonight

    Tonight: Clear, with a low around 28. Southwest wind 3 to 7 mph.

    Low: 28 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 52. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Calm wind becoming southwest 5 to 9 mph in the evening.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 59. West wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 59 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. West wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42. Breezy.

    High: 42 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 28. Southwest wind 3 to 7 mph.
Monday
Sunny, with a high near 52. West wind 6 to 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 37. Calm wind becoming southwest 5 to 9 mph in the evening.
Tuesday
Increasing clouds, with a high near 59. West wind 10 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. West wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 42. Breezy.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Defiance MO
 38.7°N 90.77°W (Elev. 650 ft)
Last Update:
2:16 pm CST Jan 11, 2026
Forecast Valid:
3pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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