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Weather Forecast and Conditions for Alton, IL

Partly cloudy
63°
Feels like 64°
Partly cloudy
Home tip: Maintenance today prevents repairs tomorrow
Michael Ryan Exteriors - Roofing Professionals handles roofing, siding, gutters, and repairs for Metro East homeowners.
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Winds: ENE 1.7 mph
Humidity: 87%
Pressure: 30.18 inHg
Visibility: 13 miles
UV Index: 0
Precip chance: 2%
Precip today: 0 in
Dew Point: 59° F
Sunrise: 5:36 AM
Sunset: 8:22 PM
Today: Partly sunny
Tonight: Partly cloudy
Updated June 4, 5:28 AM
AirQuality 66 Moderate
Grass 2 Low
Mold 0 Low
Ragweed 0 Low
Tree 750 High
UVIndex 11 Extreme
Thursday
06/04
Partly sunny
2%
85° / 68°
Friday
06/05
Partly sunny w/ t-storms
55%
88° / 69°
Saturday
06/06
Partly sunny w/ t-storms
55%
88° / 70°
Sunday
06/07
Mostly cloudy w/ t-storms
88%
85° / 70°
Monday
06/08
Cloudy
57%
76° / 69°
Alton Riverfront
Alton Marina

Weather data provided by AccuWeather

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