Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
59°F
15°C
| Humidity | 27% |
| Wind Speed | N 14 mph |
| Barometer | 30.27 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 6 Apr 5:50 pm CDT |
Extended Forecast for
2 Miles WSW Alton IL
Tonight
Low: 37 °F
Mostly Clear
then Slight
Chance
ShowersTuesday
High: 55 °F
Chance
Showers then
Partly SunnyTuesday Night

Low: 40 °F
Partly Cloudy
Wednesday

High: 73 °F
Partly Sunny
Wednesday Night

Low: 52 °F
Partly Cloudy
Thursday

High: 76 °F
Mostly Sunny
Thursday Night

Low: 56 °F
Chance
ShowersFriday
High: 75 °F
Chance
Showers then
Chance
T-stormsFriday Night

Low: 56 °F
Chance
T-storms
Detailed Forecast
Tonight
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 37. North wind 7 to 11 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 55. East wind 10 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 40. East wind around 9 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 73. South wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 8 to 13 mph.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
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)
5:36 pm CDT Apr 6, 2026
6pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026



