Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Partly Cloudy
75°F
24°C
| Humidity | 61% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 29.85 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 31 Mar 5:50 pm CDT |
Extended Forecast for
Pierron IL
Tonight
Low: 58 °F
Chance
T-storms then
Showers
LikelyWednesday

High: 73 °F
Showers
LikelyWednesday Night
Low: 64 °F
Slight Chance
T-storms then
Chance
ShowersThursday
High: 76 °F
Breezy.
Chance
Showers then
ShowersThursday Night

Low: 60 °F
Showers
Likely and
BreezyFriday

High: 79 °F
Showers
LikelyFriday Night
Low: 53 °F
Chance
T-storms then
ShowersSaturday

High: 66 °F
Showers
Likely and
BreezySaturday Night

Low: 36 °F
Chance
Showers
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 58. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 73. Northeast wind 6 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 76. Breezy, with a south wind 21 to 29 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 60. Breezy, with a south wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 66. Breezy. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 67.
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)
5:01 pm CDT Mar 31, 2026
6pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026



