Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
70°F
21°C
| Humidity | 77% |
| Wind Speed | S 12 mph |
| Barometer | 29.73 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 10:15 pm CDT |
Extended Forecast for
3 Miles SSW Piasa IL
Tonight
Low: 56 °F
Mostly Cloudy
then T-stormsWednesday
High: 65 °F⇓
Rain then
Chance Rain
and BreezyWednesday Night
Low: 30 °F
Mostly Cloudy
and Blustery
then Mostly
ClearThursday

High: 53 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 58 °F
Partly Sunny
Friday Night

Low: 37 °F
Mostly Cloudy
Saturday

High: 65 °F
Partly Sunny
Saturday Night
Low: 47 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Tonight
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am. Low around 56. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before 3pm, then a slight chance of rain between 3pm and 4pm. Temperature falling to around 46 by 5pm. Breezy, with a west wind 10 to 15 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Blustery, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 53. West wind 5 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 42. Breezy, with a south wind 11 to 21 mph, with gusts as high as 31 mph.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 65.
Saturday Night
A 30 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 47.
Sunday
Rain and possibly a thunderstorm. High near 62. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 41.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Piasa IL
39.08°N 90.15°W (Elev. 610 ft)
39.08°N 90.15°W (Elev. 610 ft)
9:51 pm CDT Mar 10, 2026
10pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026



