Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

A Few Clouds

54°F

12°C

Humidity 58%
Wind Speed Vrbl 3 mph
Barometer 30.58 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Oct 11:50 am CDT
Extended Forecast for

4 Miles NW Butler IL

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

    This Afternoon: Sunny, with a high near 59. Light northeast wind.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 4am.  Otherwise, clear, with a low around 33. Calm wind.

    Low: 33 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly between 7am and 8am.  Otherwise, sunny, with a high near 68. Calm wind becoming south around 6 mph in the morning.

    High: 68 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. Calm wind.

    High: 71 °F

    Sunny

  • Monday Night

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

    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 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 59. Light northeast wind.
Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 33. Calm wind.
Sunday
Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 68. Calm wind becoming south around 6 mph in the morning.
Sunday Night
Clear, with a low around 35. Calm wind.
Monday
Sunny, with a high near 71. Calm wind.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Butler IL
 39.24°N 89.6°W (Elev. 650 ft)
11:51 am CDT Oct 17, 2026
12pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
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