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Current Weather Conditions for Alton, IL

A chance of showers and thunderstorms before 2am. Mostly cloudy. Low around 47, with temperatures rising to around 51 overnight. West wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
78°F

Conditions

Wind: 9 mph W
Humidity: 76%
Probability of Precipitation: 16%

Hourly Forcast (next 12 hours)

11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM
78° 75° 73° 70° 68° 64° 60° 56° 55° 54° 52° 51° 50°

Upcoming Week

Day Forecast High Low
Tonight
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Mostly cloudy. Low around 47, with temperatures rising to around 51 overnight. West wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
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Friday
Mostly Cloudy then Isolated Rain Showers
Isolated rain showers between 4pm and 5pm. Mostly cloudy, with a high near 55. Northwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
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Friday Night
Partly Cloudy
Partly cloudy, with a low around 36. North wind 7 to 20 mph, with gusts as high as 29 mph.
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Saturday
Sunny
Sunny, with a high near 60. North wind 2 to 6 mph.
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Saturday Night
Clear
Clear, with a low around 35. East wind around 2 mph.
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Sunday
Sunny
Sunny, with a high near 67.
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Sunday Night
Mostly Clear
Mostly clear, with a low around 38.
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Monday
Mostly Sunny
Mostly sunny, with a high near 71.
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Monday Night
Partly Cloudy
Partly cloudy, with a low around 42.
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Tuesday
Mostly Sunny
Mostly sunny, with a high near 76.
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Tuesday Night
Mostly Clear
Mostly clear, with a low around 46.
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Wednesday
Sunny
Sunny, with a high near 79.
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Wednesday Night
Mostly Clear
Mostly clear, with a low around 48.
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Thursday
Sunny
Sunny, with a high near 81.
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Data provided by weather.gov