Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
76°F
24°C
| Humidity | 58% |
| Wind Speed | SE 13 mph |
| Barometer | 29.71 in |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 17 Apr 10:35 pm CDT |
Extended Forecast for
2 Miles WSW Alton IL
Tornado Watch April 17, 10:44pm until April 17, 11:00pm
Severe T-storm Warning April 17, 10:44pm until April 17, 10:45pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 48 °F
Severe
Thunderstorms
then ShowersSaturday
High: 59 °F
Chance
Showers then
SunnySaturday Night
Low: 39 °F
Clear
Sunday
High: 68 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Clear
Monday
High: 69 °F
Sunny
Monday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could be severe. Low around 48. South wind 11 to 15 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind around 17 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 68. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 41. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 84.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Additional Forecasts and Information
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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)
10:11 pm CDT Apr 17, 2026
10pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026
Additional Resources
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