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

52°F

11°C

Humidity 82%
Wind Speed NW 7 mph
Barometer 30.01 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 6 May 10:50 am CDT
Extended Forecast for

Pierron IL

  • Today

    Today: Cloudy early, then gradual clearing, with a high near 60. Northwest wind 7 to 9 mph.

    High: 60 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. North wind 3 to 7 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny through mid morning, then becoming sunny, with a high near 65. Light south wind becoming southwest 8 to 13 mph in the morning.

    High: 65 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind becoming south around 6 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 73. Southwest wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 73 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Partly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    T-storms

Detailed Forecast

Today
Cloudy early, then gradual clearing, with a high near 60. Northwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 41. North wind 3 to 7 mph.
Thursday
Partly sunny through mid morning, then becoming sunny, with a high near 65. Light south wind becoming southwest 8 to 13 mph in the morning.
Thursday Night
Mostly clear, with a low around 46. Calm wind becoming south around 6 mph after midnight.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 73. Southwest wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Partly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 78.
Saturday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Sunny, with a high near 70.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 49.
Tuesday
Mostly 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:
10:41 am CDT May 6, 2026
Forecast Valid:
11am CDT May 6, 2026-6pm CDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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