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.

Partly Cloudy

66°F

19°C

Humidity 81%
Wind Speed S 13 G 23 mph
Barometer 29.48 in (998.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 8 Jan 6:54 pm CST
Extended Forecast for

Defiance MO

  • Tonight

    Tonight: Rain and thunderstorms likely before 9pm, then a slight chance of rain between 9pm and 11pm. Partly cloudy, with a low around 44. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely
    then Partly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 53. West wind 8 to 13 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph.

    High: 53 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Calm wind becoming northwest around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. West wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 24.

    Low: 24 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain and thunderstorms likely before 9pm, then a slight chance of rain between 9pm and 11pm. Partly cloudy, with a low around 44. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday
Mostly cloudy, with a high near 53. West wind 8 to 13 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Calm wind becoming northwest around 5 mph after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 23. West wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 37.
Sunday Night
Clear, with a low around 24.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Defiance MO
 38.63°N 90.77°W (Elev. 479 ft)
Last Update:
3:57 pm CST Jan 8, 2026
Forecast Valid:
7pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation