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Current Weather Conditions for Alton, IL

Mostly cloudy, with a low around 42. Southeast wind around 7 mph.
56°F

Conditions

Wind: 6 mph SE
Humidity: 34%
Probability of Precipitation: 3%

Hourly Forcast (next 12 hours)

1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM
56° 53° 52° 51° 50° 49° 47° 47° 44° 44° 44° 42° 45°

Upcoming Week

Day Forecast High Low
Tonight
Mostly Cloudy
Mostly cloudy, with a low around 42. Southeast wind around 7 mph.
73°F 59°F
Wednesday
Mostly Sunny
Mostly sunny, with a high near 77. South wind 5 to 12 mph.
73°F 59°F
Wednesday Night
Partly Cloudy
Partly cloudy, with a low around 62. South wind around 10 mph.
73°F 59°F
Thursday
Sunny then Slight Chance Light Rain
A slight chance of rain after 1pm. Sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
73°F 59°F
Thursday Night
Light Rain
Rain. Mostly cloudy. Low around 43, with temperatures rising to around 47 overnight. Northwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
73°F 59°F
Friday
Light Rain
Rain before 1pm. Partly sunny, with a high near 51. Chance of precipitation is 90%.
73°F 59°F
Friday Night
Mostly Clear
Mostly clear, with a low around 31.
73°F 59°F
Saturday
Sunny
Sunny, with a high near 57.
73°F 59°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 39.
73°F 59°F
Sunday
Mostly Sunny
Mostly sunny, with a high near 63.
73°F 59°F
Sunday Night
Mostly Cloudy
Mostly cloudy, with a low around 49.
73°F 59°F
Monday
Mostly Sunny
Mostly sunny, with a high near 79.
73°F 59°F
Monday Night
Partly Cloudy then Chance Light Rain
A chance of rain after 1am. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
73°F 59°F
Tuesday
Chance Light Rain
A chance of rain before 7am, then a chance of rain and a slight chance of thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
73°F 59°F
Data provided by weather.gov