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

30°F

-1°C

Humidity 82%
Wind Speed W 3 mph
Barometer 30.32 in (1027.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Mar 6:54 am CDT
Extended Forecast for

4 Miles E Defiance MO

  • Today

    Today: Sunny, with a high near 57. Light west wind increasing to 5 to 10 mph in the morning.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Breezy, with a south wind 10 to 20 mph, with gusts as high as 37 mph.

    Low: 45 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 62. West wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. East wind 5 to 9 mph.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm, then rain after 1pm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Rain

  • Sunday Night

    Sunday Night: Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 60%.

    Low: 22 °F

    Rain/Snow
    Likely and
    Blustery

  • Monday

    Monday: Mostly sunny, with a high near 34. Breezy.

    High: 34 °F

    Partly Sunny
    and Breezy
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 57. Light west wind increasing to 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 45. Breezy, with a south wind 10 to 20 mph, with gusts as high as 37 mph.
Friday
Mostly sunny, with a high near 62. West wind 13 to 15 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 66. East wind 5 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 68. Chance of precipitation is 80%.
Sunday Night
Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 34. Breezy.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Defiance MO
 38.63°N 90.71°W (Elev. 564 ft)
Last Update:
5:56 am CDT Mar 12, 2026
Forecast Valid:
7am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation