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.

Fair

43°F

6°C

Humidity 65%
Wind Speed E 5 mph
Barometer 30.10 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 25 Mar 4:35 am CDT
Extended Forecast for

Pierron IL

  • Today

    Today: Mostly sunny, with a high near 75. Light and variable wind becoming south 8 to 13 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 61. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 87. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 4am, then rain after 4am. Low around 42. Southwest wind 11 to 18 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%.

    Low: 42 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Rain, mainly before 7am. High near 51. North wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 51 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. Light and variable wind becoming south 8 to 13 mph in the morning.
Tonight
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 61. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 87. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Showers and possibly a thunderstorm, mainly before 4am, then rain after 4am. Low around 42. Southwest wind 11 to 18 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%.
Friday
Rain, mainly before 7am. High near 51. North wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 79.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 60.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 78.
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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:
3:51 am CDT Mar 25, 2026
Forecast Valid:
4am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation