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.

Mostly Cloudy and Breezy

82°F

28°C

Humidity 55%
Wind Speed S 21 G 28 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 3 Apr 3:50 pm CDT
Extended Forecast for

Pierron IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. South wind around 18 mph, with gusts as high as 25 mph.

    High: 78 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 58. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 2pm. Temperature falling to around 56 by 5pm. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 63 °F⇓

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. West wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °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.

    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

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. South wind around 18 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 58. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 2pm. Temperature falling to around 56 by 5pm. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday Night
Partly cloudy, with a low around 37. West wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 57. Northwest wind 8 to 14 mph.
Sunday Night
Clear, with a low around 38.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Pierron IL
 38.78°N 89.57°W (Elev. 512 ft)
Last Update:
2:26 pm CDT Apr 3, 2026
Forecast Valid:
4pm CDT Apr 3, 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