Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
72°F
22°C
| Humidity | 73% |
| Wind Speed | S 14 mph |
| Barometer | 29.72 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 8:50 pm CDT |
Extended Forecast for
2 Miles WSW Alton IL
Tonight
Low: 54 °F
Mostly Cloudy
then T-storms
LikelyWednesday
High: 67 °F⇓
Showers then
Chance
Showers and
BreezyWednesday Night

Low: 32 °F
Partly Cloudy
Thursday

High: 55 °F
Sunny
Thursday Night

Low: 45 °F
Mostly Cloudy
Friday

High: 61 °F
Partly Sunny
Friday Night

Low: 38 °F
Mostly Cloudy
Saturday

High: 68 °F
Partly Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 54. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm before 3pm, then a slight chance of showers between 3pm and 4pm. Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 14 to 21 mph becoming northwest in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 90%.
Wednesday Night
Partly cloudy, with a low around 32. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 45. South wind 10 to 17 mph, with gusts as high as 28 mph.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 68.
Saturday Night
A 30 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 50.
Sunday
Rain and possibly a thunderstorm. High near 65. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Partly sunny, with a high near 43.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WSW Alton IL
38.88°N 90.19°W (Elev. 407 ft)
38.88°N 90.19°W (Elev. 407 ft)
6:00 pm CDT Mar 10, 2026
9pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026



