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.

Fog/Mist

32°F

0°C

Humidity 96%
Wind Speed Calm
Barometer 30.02 in (1016.8 mb)
Dewpoint 31°F (-1°C)
Visibility 1.50 mi
Last update 16 Feb 2:54 am CST
Extended Forecast for

2 Miles ESE Defiance MO

  • Overnight

    Overnight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 67. Calm wind becoming south 5 to 8 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind 3 to 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. South wind 11 to 15 mph, with gusts as high as 31 mph.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Calm wind.
Washington's Birthday
Mostly sunny, with a high near 67. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 43. South wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 67. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. South wind 11 to 15 mph, with gusts as high as 31 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Sunny, with a high near 74. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 51.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 51.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 29.
Sunday
Sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Defiance MO
 38.63°N 90.74°W (Elev. 440 ft)
Last Update:
3:36 am CST Feb 16, 2026
Forecast Valid:
3am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation