Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Rain
51°F
11°C
| Humidity | 95% |
| Wind Speed | N 5 mph |
| Barometer | 29.96 in |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 5 Mar 3:35 am CST |
Extended Forecast for
Pierron IL
Overnight

Low: 53 °F
Showers and
Patchy FogThursday
High: 66 °F
Showers
Likely and
Patchy Fog
then Mostly
CloudyThursday Night

Low: 56 °F
Chance
T-stormsFriday

High: 77 °F
Slight Chance
Showers and
BreezyFriday Night
Low: 59 °F
Slight Chance
T-storms then
ShowersSaturday
High: 68 °F
Showers
Likely then
Slight Chance
ShowersSaturday Night

Low: 39 °F
Partly Cloudy
Sunday

High: 62 °F
Sunny
Sunday Night

Low: 45 °F
Mostly Clear
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 53. South wind around 7 mph. Chance of precipitation is 90%.
Thursday
Showers and thunderstorms likely before 9am, then a chance of showers between 9am and 10am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 66. West wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 56. Light and variable wind becoming southeast 5 to 9 mph after midnight.
Friday
A slight chance of showers before 9am, then a slight chance of showers after noon. Partly sunny, with a high near 77. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 59. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Saturday
Showers likely, mainly before noon. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 74.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 58.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 51. Breezy. Chance of precipitation is 90%.
Wednesday
Showers likely. Cloudy, with a high near 61. Breezy. Chance of precipitation is 70%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Pierron IL
38.78°N 89.57°W (Elev. 512 ft)
38.78°N 89.57°W (Elev. 512 ft)
3:36 am CST Mar 5, 2026
3am CST Mar 5, 2026-6pm CDT Mar 11, 2026



