


Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
77°F
25°C
Humidity | 51% |
Wind Speed | E 8 mph |
Barometer | 30.09 in |
Dewpoint | 57°F (14°C) |
Visibility | 10.00 mi |
Heat Index | 79°F (26°C) |
Last update | 3 Aug 2:50 pm CDT |
Extended Forecast for
East Alton IL
Tonight
Low: 61 °F
Mostly Cloudy
Monday
High: 81 °F
Mostly Cloudy
then Chance
T-stormsMonday Night
Low: 67 °F
Chance
T-storms then
Partly CloudyTuesday
High: 84 °F
Partly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 69 °F
Mostly Clear
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 71 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 61. Northeast wind 3 to 6 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 81. Northeast wind 5 to 7 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. East wind around 6 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 68. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
East Alton IL
38.88°N 90.11°W (Elev. 436 ft)
38.88°N 90.11°W (Elev. 436 ft)
1:26 pm CDT Aug 3, 2025
3pm CDT Aug 3, 2025-6pm CDT Aug 10, 2025