Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
71°F
22°C
| Humidity | 78% |
| Wind Speed | S 13 mph |
| Barometer | 29.84 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 3:35 am CDT |
Extended Forecast for
Pierron IL
Overnight

Low: 68 °F
Mostly Cloudy
Wednesday
High: 81 °F
Scattered
Showers then
T-storms
LikelyWednesday Night
Low: 63 °F
T-storms
Likely then
ShowersThursday

High: 80 °F
Scattered
ShowersThursday Night

Low: 58 °F
Mostly Clear
Friday
High: 84 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 54 °F
Chance
T-storms then
Showers
LikelySaturday

High: 67 °F
Chance
T-stormsSaturday Night
Low: 39 °F
Slight Chance
Showers then
Slight Chance
Rain/Snow
Detailed Forecast
Overnight
Mostly cloudy, with a low around 68. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 63. South wind 9 to 11 mph. Chance of precipitation is 90%.
Thursday
Scattered showers between 7am and 10am, then scattered showers and thunderstorms after 10am. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 9 to 14 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 58. South wind 3 to 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 67. Chance of precipitation is 50%.
Saturday Night
A slight chance of rain showers before 4am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 39. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 60.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 74.
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)
1:26 am CDT Apr 15, 2026
3am CDT Apr 15, 2026-6pm CDT Apr 21, 2026



