Alton, IL

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Current Weather Forecast for Alton

IL 62002  |   9:12am

Weather Conditions

75°
Feels Like 75°
Fair / Mostly Sunny
Fair
68° 88°
UV Index
3
UV Index
Air Quality
Moderate
Air Quality
Wind
S 15 mph
Wind
Rain
0 in
rain

Today

Sun 5/17
88°
Highest Temperature
Windy
1%
Mostly sunny. Becoming windy this afternoon. High 88F. Winds S at 20 to 30 mph. Higher wind gusts possible.

Tonight

Sun 5/17
74°
Lowest Temperature
Partly Cloudy
12%
Mostly clear early then increasing cloudiness after midnight. Low 74F. Winds S at 10 to 20 mph.

Tomorrow

Mon 5/18
79°
Highest Temperature
Thunderstorms
65%
Scattered thunderstorms in the morning becoming more widespread in the afternoon. High 79F. Winds S at 10 to 20 mph. Chance of rain 70%.

Local Weather Radar - Alton, IL

Live Alton Local Radar Forecast by FOX Weather

Next 12 Hours Forecast in Alton

Hourly Weather Forecast & Temperature

10AM
Sunny
1%
77°
Feels Like 77°
Sunny
Wind
S 16 mph
Wind
Pressure
1012 mb
Pressure
Humidity
66%
Humidity
UV Index
4
UV Index
Visibility
10mi
Visibility
Visibility
2%
Cloud Cover
11AM
Sunny
1%
79°
Feels Like 82°
Sunny
Wind
S 18 mph
Wind
Pressure
1012 mb
Pressure
Humidity
63%
Humidity
UV Index
7
UV Index
Visibility
10mi
Visibility
Visibility
0%
Cloud Cover
12PM
Fair / Mostly Sunny
81°
Feels Like 84°
Mostly Sunny
Wind
S 19 mph
Wind
Pressure
1011 mb
Pressure
Humidity
59%
Humidity
UV Index
8
UV Index
Visibility
10mi
Visibility
Visibility
20%
Cloud Cover
1PM
Windy
84°
Feels Like 87°
Partly Cloudy/Wind
Wind
S 20 mph
Wind
Pressure
1010 mb
Pressure
Humidity
55%
Humidity
UV Index
9
UV Index
Visibility
10mi
Visibility
Visibility
45%
Cloud Cover
2PM
Windy
84°
Feels Like 88°
Partly Cloudy/Wind
Wind
S 20 mph
Wind
Pressure
1010 mb
Pressure
Humidity
53%
Humidity
UV Index
8
UV Index
Visibility
10mi
Visibility
Visibility
42%
Cloud Cover
3PM
Windy
85°
Feels Like 88°
Mostly Sunny/Wind
Wind
S 20 mph
Wind
Pressure
1009 mb
Pressure
Humidity
50%
Humidity
UV Index
6
UV Index
Visibility
10mi
Visibility
Visibility
23%
Cloud Cover
4PM
Windy
86°
Feels Like 89°
Sunny/Wind
Wind
S 20 mph
Wind
Pressure
1009 mb
Pressure
Humidity
48%
Humidity
UV Index
4
UV Index
Visibility
10mi
Visibility
Visibility
13%
Cloud Cover
5PM
Sunny
86°
Feels Like 89°
Sunny
Wind
S 19 mph
Wind
Pressure
1009 mb
Pressure
Humidity
47%
Humidity
UV Index
2
UV Index
Visibility
10mi
Visibility
Visibility
10%
Cloud Cover
6PM
Sunny
85°
Feels Like 88°
Sunny
Wind
S 18 mph
Wind
Pressure
1009 mb
Pressure
Humidity
48%
Humidity
UV Index
1
UV Index
Visibility
10mi
Visibility
Visibility
11%
Cloud Cover
7PM
Sunny
85°
Feels Like 87°
Sunny
Wind
S 17 mph
Wind
Pressure
1009 mb
Pressure
Humidity
49%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
5%
Cloud Cover
8PM
Sunny
1%
83°
Feels Like 85°
Sunny
Wind
S 14 mph
Wind
Pressure
1009 mb
Pressure
Humidity
53%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
7%
Cloud Cover
9PM
Clear
1%
81°
Feels Like 83°
Clear
Wind
S 12 mph
Wind
Pressure
1009 mb
Pressure
Humidity
58%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
19%
Cloud Cover
Sun 5/17
Sun
Windy
1%
68°
88°
Windy with plenty of sun. Highs in the upper 80s and lows in the mid 70s.
Feels Like
89°
Feels Like
Wind
S 20 mph
Wind
Humidity
56%
Humidity
UV Index
9
UV Index
Visibility
5:46 AM
Sunrise
Visibility
8:08 PM
Sunset
Mon 5/18
Mon
Thunderstorms
65%
73°
79°
Thunderstorms. Highs in the upper 70s and lows in the low 70s.
Feels Like
83°
Feels Like
Wind
S 15 mph
Wind
Humidity
76%
Humidity
UV Index
5
UV Index
Visibility
5:45 AM
Sunrise
Visibility
8:09 PM
Sunset
Tue 5/19
Tue
Thunderstorms
72%
60°
75°
Showers and thunderstorms. Potential for severe thunderstorms. Highs in the mid 70s and lows in the mid 50s.
Feels Like
76°
Feels Like
Wind
SW 13 mph
Wind
Humidity
80%
Humidity
UV Index
5
UV Index
Visibility
5:44 AM
Sunrise
Visibility
8:10 PM
Sunset
Wed 5/20
Wed
Cloudy
7%
55°
68°
Mostly cloudy. Highs in the upper 60s and lows in the low 50s.
Feels Like
68°
Feels Like
Wind
N 11 mph
Wind
Humidity
62%
Humidity
UV Index
6
UV Index
Visibility
5:43 AM
Sunrise
Visibility
8:11 PM
Sunset
Thu 5/21
Thu
Partly / Cloudy
7%
52°
73°
Partly cloudy. Highs in the low 70s and lows in the upper 50s.
Feels Like
73°
Feels Like
Wind
ENE 11 mph
Wind
Humidity
58%
Humidity
UV Index
8
UV Index
Visibility
5:43 AM
Sunrise
Visibility
8:12 PM
Sunset
Fri 5/22
Fri
Showers
36%
58°
73°
Chance of showers. Highs in the low 70s and lows in the low 60s.
Feels Like
73°
Feels Like
Wind
E 10 mph
Wind
Humidity
70%
Humidity
UV Index
6
UV Index
Visibility
5:42 AM
Sunrise
Visibility
8:12 PM
Sunset
Sat 5/23
Sat
Scattered Thunderstorms
50%
60°
77°
Scattered thunderstorms possible. Highs in the upper 70s and lows in the low 60s.
Feels Like
77°
Feels Like
Wind
SSW 8 mph
Wind
Humidity
71%
Humidity
UV Index
6
UV Index
Visibility
5:41 AM
Sunrise
Visibility
8:13 PM
Sunset
Sun 5/24
Sun
Isolated Thunderstorms
36%
62°
83°
Partly cloudy with a stray thunderstorm. Highs in the low 80s and lows in the mid 60s.
Feels Like
84°
Feels Like
Wind
S 8 mph
Wind
Humidity
65%
Humidity
UV Index
9
UV Index
Visibility
5:41 AM
Sunrise
Visibility
8:14 PM
Sunset
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