National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

41°F

5°C

Humidity 61%
Wind Speed E 15 G 23 mph
Barometer 30.14 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 14 Mar 8:45 am CDT
Extended Forecast for

3 Miles ESE Pierron IL

  • Today

    Today: Mostly sunny, with a high near 62. Southeast wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southeast wind 9 to 17 mph, with gusts as high as 28 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 4pm. High near 67. Breezy, with a south wind 22 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.

    High: 67 °F

    Breezy.
    Slight Chance
    Rain then
    Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then rain and snow between 10pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 22. Breezy, with a southwest wind 23 to 28 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 27. Breezy, with a northwest wind 24 to 28 mph, with gusts as high as 40 mph.

    High: 27 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12. Blustery.

    Low: 12 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. Southeast wind 9 to 14 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 52. Southeast wind 9 to 17 mph, with gusts as high as 28 mph.
Sunday
Rain, with thunderstorms also possible after 4pm. High near 67. Breezy, with a south wind 22 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 10pm, then rain and snow between 10pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 22. Breezy, with a southwest wind 23 to 28 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 27. Breezy, with a northwest wind 24 to 28 mph, with gusts as high as 40 mph.
Monday Night
Partly cloudy, with a low around 12. Blustery.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Pierron IL
 38.75°N 89.52°W (Elev. 476 ft)
Last Update:
7:31 am CDT Mar 14, 2026
Forecast Valid:
9am CDT Mar 14, 2026-6pm CDT Mar 20, 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