Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
60°F
16°C
| Humidity | 94% |
| Wind Speed | S 7 mph |
| Barometer | 29.87 in |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 6:15 am CDT |
Extended Forecast for
2 Miles WSW Alton IL
Today

High: 84 °F
Sunny
Tonight
Low: 53 °F
Slight Chance
T-storms then
T-stormsWednesday
High: 64 °F⇓
T-storms then
Showers and
BreezyWednesday Night

Low: 34 °F
Decreasing
CloudsThursday

High: 55 °F
Sunny
Thursday Night

Low: 46 °F
Mostly Cloudy
Friday

High: 63 °F
Partly Sunny
Friday Night

Low: 39 °F
Mostly Cloudy
Saturday

High: 69 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 84. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 53. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. 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. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 49.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
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)
5:31 am CDT Mar 10, 2026
6am CDT Mar 10, 2026-6pm CDT Mar 16, 2026



