Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Thunderstorm Light Rain
60°F
16°C
| Humidity | 90% |
| Wind Speed | W 12 mph |
| Barometer | 29.90 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 7 Mar 2:15 am CST |
Extended Forecast for
Pierron IL
Overnight

Low: 61 °F
Heavy Rain
Saturday
High: 66 °F⇓
Showers then
Slight Chance
ShowersSaturday Night

Low: 37 °F
Decreasing
CloudsSunday

High: 64 °F
Sunny
Sunday Night

Low: 45 °F
Clear
Monday

High: 75 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
then Chance
RainTuesday
High: 77 °F
Chance Rain
then Rain
Likely and
BreezyTuesday Night

Low: 53 °F
Rain and
Breezy
Detailed Forecast
Overnight
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 61. Southwest wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 1pm. Temperature rising to near 66 by 11am, then falling to around 56 during the remainder of the day. Southwest wind 9 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind 6 to 11 mph becoming light west after midnight.
Sunday
Sunny, with a high near 64. Light west wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 45. South wind 6 to 8 mph.
Monday
Sunny, with a high near 75.
Monday Night
A slight chance of rain and thunderstorms, then a chance of rain after midnight. Mostly clear, with a low around 59. Chance of precipitation is 30%.
Tuesday
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 53. Breezy. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then a chance of rain. High near 64. Breezy. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 64. Breezy.
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)
2:21 am CST Mar 7, 2026
2am CST Mar 7, 2026-6pm CDT Mar 13, 2026



