Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Partly Cloudy and Breezy
79°F
26°C
| Humidity | 45% |
| Wind Speed | S 22 G 30 mph |
| Barometer | 29.81 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 31 Mar 2:50 pm CDT |
Extended Forecast for
2 Miles WSW Alton IL
This Afternoon

High: 84 °F
Chance
T-stormsTonight
Low: 57 °F
T-storms
Likely then
ShowersWednesday

High: 73 °F
Showers
LikelyWednesday Night

Low: 65 °F
Chance
ShowersThursday
High: 79 °F
Breezy.
Chance
Showers then
ShowersThursday Night

Low: 59 °F
Showers
LikelyFriday
High: 82 °F
Chance
Showers then
Chance
T-stormsFriday Night
Low: 53 °F
Showers
Likely then
ShowersSaturday

High: 64 °F
Showers
Likely
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 84. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 57. West wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 73. Northeast wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 65. Southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 79. Breezy, with a south wind 17 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Friday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 69.
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)
2:56 pm CDT Mar 31, 2026
3pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026



