Periods of clouds and sunshine with a thunderstorm in spots this afternoon
Precipitation Chance: 55%
Sunrise:
5:36 AM
Sunset:
8:30 PM
UV Index: 10
Wind: SSW 8.1 mph
Humidity: 60%
Wednesday Night
67° - Thunderstorms
A thunderstorm in spots this evening; otherwise, mostly cloudy and humid
Precipitation Chance: 55%
Moon Phase: WaxingGibbous
Wind: WSW 4.6 mph
Humidity: 88%
Thursday
06/25
90%
83° /
69°
↓
Thursday
83° - Thunderstorms
Mostly cloudy and humid; a couple of afternoon showers and a thunderstorm
Precipitation Chance: 90%
Sunrise:
5:37 AM
Sunset:
8:30 PM
UV Index: 4
Wind: SSW 5.8 mph
Humidity: 77%
Thursday Night
69° - Thunderstorms
Cloudy and humid with a couple of showers and a heavy thunderstorm; watch for flooding
Precipitation Chance: 99%
Moon Phase: WaxingGibbous
Wind: ESE 6.9 mph
Humidity: 91%
Friday
06/26
95%
78° /
69°
↓
Friday
78° - Thunderstorms
Cloudy and humid with a couple of showers and a heavy thunderstorm; thunderstorms can bring flooding downpours, hail and damaging wind gusts
Precipitation Chance: 95%
Sunrise:
5:37 AM
Sunset:
8:30 PM
UV Index: 3
Wind: SW 11.5 mph
Humidity: 84%
Friday Night
69° - Cloudy
An evening thunderstorm in spots; otherwise, cloudy and humid
Precipitation Chance: 55%
Moon Phase: WaxingGibbous
Wind: NE 4.6 mph
Humidity: 94%
Saturday
06/27
55%
86° /
73°
↓
Saturday
86° - Intermittent clouds
Periods of clouds and sunshine with a thunderstorm; humid
Precipitation Chance: 55%
Sunrise:
5:37 AM
Sunset:
8:30 PM
UV Index: 6
Wind: S 9.2 mph
Humidity: 75%
Saturday Night
73° - Mostly clear
Mostly clear, warm and humid with a thunderstorm in spots
Precipitation Chance: 55%
Moon Phase: WaxingGibbous
Wind: SSE 6.9 mph
Humidity: 85%
Sunday
06/28
55%
93° /
71°
↓
Sunday
93° - Partly sunny
Partly sunny, hot and humid with a thunderstorm in the afternoon; possible danger of dehydration and heatstroke while doing strenuous activities
Precipitation Chance: 55%
Sunrise:
5:38 AM
Sunset:
8:30 PM
UV Index: 11
Wind: SSW 9.2 mph
Humidity: 64%
Sunday Night
71° - Mostly clear
Clear to partly cloudy and humid with widely separated thunderstorms
Precipitation Chance: 55%
Moon Phase: WaxingGibbous
Wind: SSW 6.9 mph
Humidity: 84%
Weather Cams
Alton Riverfront
Alton Marina
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67° - Thunderstorms
69° - Cloudy
73° - Mostly clear
