Alton, Illinois Weather
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Weather Forecast for Alton, Illinois : Madison County
Issued: 3:52 pm CDT Apr 19, 2024 Latitude: 38.8906038 Longitude: -90.1842764 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Tonight Mostly Sunny on Saturday Sunny on Sunday Sunny on Monday 50% chance of thunderstorms on Tuesday Sunny on Wednesday 20% chance of on Thursday 60% chance of thunderstorms on Friday
Low: 42°F High: 59°F High: 61°F High: 69°F High: 71°F High: 67°F High: 67°F High: 71°F
Low: 38°F Low: 39°F Low: 52°F Low: 47°F Low: 44°F Low: 52°F  
Cloudy Mostly Sunny Sunny Sunny Thunderstorms Sunny Partly Sunny Thunderstorms
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Current Conditions at
ALTON - (KALN)
59°
Mostly Cloudy
as of 6:50 PM CDST
Rel. Humidity: 33%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
10 MPH
0° North
Cloud Level(s): Broken at 10000ft
Current Conditions at
ST CHARLES - (KSET)
59°
Clear
as of 6:54 PM CDST
Rel. Humidity: 30%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
9 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
59°
Mostly Cloudy
as of 6:51 PM CDST
Rel. Humidity: 38%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
7 MPH
350° North
Cloud Level(s): Few at 7000ft, Scattered at 10000ft, Broken at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
57°
Cloudy
as of 6:53 PM CDST
Rel. Humidity: 41%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
8 MPH
020° North
Cloud Level(s): Solid Overcast at 10000ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 42. North wind 5 to 9 mph becoming light northwest.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 59. Northwest wind 7 to 14 mph.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 38. Northwest wind 5 to 10 mph.
Sunny on Sunday Sunday... Sunny, with a high near 61. Light northwest wind increasing to 5 to 10 mph in the morning.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 39. Northwest wind 5 to 8 mph becoming calm in the evening.
Sunny on Monday Monday... Sunny, with a high near 69.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 52.
50% chance of thunderstorms Tuesday Tuesday... A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.
20% chance of thunderstorms Tuesday Night Tuesday Night... A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 47.
Sunny on Wednesday Wednesday... Sunny, with a high near 67.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 44.
20% chance of Thursday Thursday... A 20 percent chance of showers. Partly sunny, with a high near 67.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
60% chance of thunderstorms Friday Friday... Showers and thunderstorms likely. Partly sunny, with a high near 71. Breezy. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Alton, Illinois
Sunrise: 06:17 AM
Sunset: 7:42 PM
Civil Sunrise:05:49 AM
Civil Sunset: 8:10 PM
Nautical Sunrise: 05:16 AM
Nautical Sunset: 8:43 PM
Astro Sunrise: 04:41 AM
Astro Sunset: 9:19 PM
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