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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

74°F

23°C

Humidity 66%
Wind Speed S 14 G 18 mph
Barometer 29.93 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 4 Apr 12:35 am CDT
Extended Forecast for

Pierron IL

  • Overnight

    Overnight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 55. South wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 55 °F

    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. Temperature falling to around 57 by noon. Southwest wind 10 to 15 mph becoming west in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 100%.

    High: 65 °F⇓

    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. West wind 7 to 15 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. Northwest wind 8 to 14 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. West wind 3 to 6 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 55. South wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. Temperature falling to around 57 by noon. Southwest wind 10 to 15 mph becoming west in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 38. West wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 57. Northwest wind 8 to 14 mph.
Sunday Night
Clear, with a low around 38. West wind 3 to 6 mph.
Monday
Sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
Last Update:
10:26 pm CDT Apr 3, 2026
Forecast Valid:
12am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation