Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fog/Mist

71°F

22°C

Humidity 94%
Wind Speed N 3 mph
Barometer 30.09 in
Dewpoint 69°F (21°C)
Visibility 5.00 mi
Last update 12 Jul 5:54 am CDT
Extended Forecast for

Defiance MO

  • Today

    Today: Patchy fog before 8am.  Otherwise, sunny, with a high near 86. Northeast wind 3 to 7 mph.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Clear, with a low around 66. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 66 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 67. Light north wind.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Northeast wind 3 to 7 mph.
Tonight
Clear, with a low around 66. Northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Clear, with a low around 67. Light north wind.
Tuesday
Sunny, with a high near 90. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Defiance MO
 38.63°N 90.77°W (Elev. 479 ft)
5:52 am CDT Jul 12, 2026
6am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
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Additional Resources

Radar & Satellite Image

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