Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

67°F

19°C

Humidity 79%
Wind Speed E 5 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Jun 3:54 am CDT
Extended Forecast for

3 Miles E Allenton MO

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Showers and thunderstorms, mainly after 1pm.  High near 83. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 83 °F

    Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 11pm.  Low around 62. Southwest wind around 7 mph becoming northwest after midnight.  Chance of precipitation is 90%.

    Low: 62 °F

    T-storms then
    Chance
    T-storms

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind 5 to 7 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. North wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly after 1pm. High near 83. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms, mainly before 11pm. Low around 62. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 90%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Calm wind.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 62. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Allenton MO
 38.54°N 90.69°W (Elev. 797 ft)
3:11 am CDT Jun 21, 2026
4am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database