Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

39°F

4°C

Humidity 96%
Wind Speed Calm
Barometer 30.46 in (1031.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 17 Oct 11:54 pm CDT
Extended Forecast for

4 Miles E Catawissa MO

Frost Advisory October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Overnight

    Overnight: Patchy fog after 5am. Patchy frost after 3am.  Otherwise, clear, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Frost
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Areas of frost before 8am.  Otherwise, sunny, with a high near 69. Light southeast wind.

    High: 69 °F

    Areas Frost
    and Patchy
    Fog then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Calm wind.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Patchy frost after 3am. Otherwise, clear, with a low around 33. Calm wind.
Sunday
Patchy fog before 9am. Areas of frost before 8am. Otherwise, sunny, with a high near 69. Light southeast wind.
Sunday Night
Clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Catawissa MO
 38.43°N 90.69°W (Elev. 696 ft)
10:36 pm CDT Oct 17, 2026
12am CDT Oct 18, 2026-6pm CDT Oct 24, 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