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Current Weather Conditions for Alton, IL

Mostly sunny. High near 52, with temperatures falling to around 45 in the afternoon. South wind around 10 mph, with gusts as high as 21 mph.
49°F

Conditions

Wind: 10 mph SW
Humidity: 42%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM
49° 50° 50° 51° 49° 45° 41° 41° 40° 39° 40° 39° 39°

Upcoming Week

Day Forecast High Low
This Afternoon
Mostly Sunny
Mostly sunny. High near 52, with temperatures falling to around 45 in the afternoon. South wind around 10 mph, with gusts as high as 21 mph.
51°F 41°F
Tonight
Mostly Cloudy
Mostly cloudy, with a low around 34. Southwest wind 6 to 9 mph.
51°F 41°F
Wednesday
Sunny
Sunny. High near 51, with temperatures falling to around 46 in the afternoon. Southwest wind 2 to 8 mph.
51°F 41°F
Wednesday Night
Mostly Cloudy then Chance Light Rain
A chance of rain after midnight. Mostly cloudy. Low around 41, with temperatures rising to around 49 overnight. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
51°F 41°F
Thursday
Rain then Slight Chance Rain And Snow
Rain before 3pm, then a slight chance of rain and snow. Partly sunny. High near 54, with temperatures falling to around 41 in the afternoon. Southwest wind 15 to 22 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
51°F 41°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around 19.
51°F 41°F
Friday
Sunny
Sunny, with a high near 37.
51°F 41°F
Friday Night
Partly Cloudy
Partly cloudy, with a low around 31.
51°F 41°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 54.
51°F 41°F
Saturday Night
Partly Cloudy
Partly cloudy, with a low around 29.
51°F 41°F
Sunday
Mostly Sunny
Mostly sunny, with a high near 44.
51°F 41°F
Sunday Night
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after midnight. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
51°F 41°F
Monday
Partly Sunny
Partly sunny, with a high near 45.
51°F 41°F
Monday Night
Mostly Cloudy
Mostly cloudy, with a low around 37.
51°F 41°F
Data provided by weather.gov