Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
72°F
22°C
| Humidity | 69% |
| Wind Speed | S 14 G 25 mph |
| Barometer | 29.75 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 9 Mar 5:50 pm CDT |
Extended Forecast for
2 Miles WSW Alton IL
Tonight

Low: 60 °F
Mostly Clear
Tuesday

High: 82 °F
Partly Sunny
Tuesday Night
Low: 54 °F
Slight Chance
T-storms then
RainWednesday

High: 64 °F⇓
Showers
Wednesday Night

Low: 33 °F
Mostly Cloudy
Thursday

High: 55 °F
Sunny
Thursday Night

Low: 44 °F
Mostly Cloudy
Friday

High: 63 °F
Mostly Cloudy
Friday Night

Low: 40 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 60. South wind 8 to 15 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 82. South wind 7 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3am. Low around 54. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 10am, then showers, mainly after 10am. Temperature rising to near 64 by 10am, then falling to around 49 during the remainder of the day. Southwest wind 11 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, with a low around 33. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly cloudy, with a high near 63.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 50.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 65. Breezy.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 41.
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)
5:51 pm CDT Mar 9, 2026
6pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026


