Hourly Weather Forecast - Alton, IL

12 AM
51°F
10%
4mph
W
Mostly Clear
Humidity
68%
Feels like
51°F
Dew Point
41°F
1 AM
51°F
10%
4mph
WSW
Clear
Humidity
68%
Feels like
51°F
Dew Point
41°F
2 AM
50°F
10%
4mph
SW
Clear
Humidity
69%
Feels like
48°F
Dew Point
40°F
3 AM
49°F
10%
4mph
SW
Mostly Clear
Humidity
70%
Feels like
47°F
Dew Point
39°F
4 AM
48°F
10%
4mph
SW
Mostly Clear
Humidity
71%
Feels like
46°F
Dew Point
39°F
5 AM
47°F
10%
4mph
SW
Partly Cloudy
Humidity
71%
Feels like
46°F
Dew Point
39°F
6 AM
48°F
10%
4mph
SW
Partly Cloudy
Humidity
70%
Feels like
47°F
Dew Point
39°F
6:00 AM
7 AM
50°F
10%
5mph
SW
Partly Cloudy
Humidity
66%
Feels like
50°F
Dew Point
40°F
8 AM
54°F
10%
6mph
WSW
Mostly Sunny
Humidity
60%
Feels like
54°F
Dew Point
40°F
9 AM
58°F
10%
8mph
WSW
Sunny
Humidity
54%
Feels like
58°F
Dew Point
41°F
10 AM
62°F
10%
9mph
WSW
Sunny
Humidity
49%
Feels like
62°F
Dew Point
42°F
11 AM
65°F
10%
10mph
WSW
Mostly Sunny
Humidity
44%
Feels like
65°F
Dew Point
43°F

Today's Severe Weather Outlook

Powerful Thunderstorms Target Lower Midwest

Intense severe thunderstorms will surge into the Lower Midwest and Mid-South today, bringing damaging winds, large hail, and tornadic activity.

Tuesday's Weather Outlook

Tuesday's Weather Outlook

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