Hourly Weather Forecast - Alton, IL

12 AM
49°F
0%
2mph
NNW
Clear
Humidity
70%
Feels like
49°F
Dew Point
40°F
1 AM
48°F
0%
1mph
NNW
Clear
Humidity
72%
Feels like
48°F
Dew Point
40°F
2 AM
47°F
0%
1mph
NNW
Clear
Humidity
75%
Feels like
47°F
Dew Point
40°F
3 AM
47°F
0%
1mph
NNW
Clear
Humidity
77%
Feels like
47°F
Dew Point
40°F
4 AM
46°F
0%
0mph
NNW
Clear
Humidity
79%
Feels like
46°F
Dew Point
40°F
5 AM
46°F
0%
0mph
NW
Clear
Humidity
80%
Feels like
46°F
Dew Point
40°F
6 AM
46°F
0%
0mph
WNW
Mostly Clear
Humidity
81%
Feels like
46°F
Dew Point
40°F
6:04 AM
7 AM
47°F
0%
0mph
W
Partly Cloudy
Humidity
77%
Feels like
47°F
Dew Point
41°F
8 AM
51°F
0%
1mph
W
Partly Cloudy
Humidity
70%
Feels like
51°F
Dew Point
41°F
9 AM
55°F
0%
2mph
W
Partly Cloudy
Humidity
60%
Feels like
55°F
Dew Point
41°F
10 AM
58°F
0%
2mph
W
Partly Cloudy
Humidity
53%
Feels like
58°F
Dew Point
41°F
11 AM
61°F
0%
3mph
WNW
Partly Cloudy
Humidity
47%
Feels like
61°F
Dew Point
41°F
12 PM
64°F
0%
3mph
WNW
Partly Cloudy
Humidity
43%
Feels like
64°F
Dew Point
41°F
1 PM
65°F
0%
4mph
NW
Partly Cloudy
Humidity
41%
Feels like
65°F
Dew Point
41°F
2 PM
66°F
10%
4mph
NW
Partly Cloudy
Humidity
40%
Feels like
66°F
Dew Point
41°F
3 PM
66°F
10%
4mph
NW
Partly Cloudy
Humidity
40%
Feels like
66°F
Dew Point
41°F
4 PM
66°F
10%
3mph
NW
Partly Cloudy
Humidity
41%
Feels like
66°F
Dew Point
41°F
5 PM
65°F
10%
3mph
NW
Partly Cloudy
Humidity
43%
Feels like
65°F
Dew Point
42°F
6 PM
63°F
10%
2mph
NW
Partly Cloudy
Humidity
47%
Feels like
63°F
Dew Point
43°F
7 PM
61°F
20%
2mph
NW
Partly Cloudy
Humidity
52%
Feels like
61°F
Dew Point
43°F
7:52 PM
8 PM
59°F
20%
1mph
NW
Partly Cloudy
Humidity
57%
Feels like
59°F
Dew Point
44°F
9 PM
57°F
20%
1mph
WNW
Partly Cloudy
Humidity
61%
Feels like
57°F
Dew Point
44°F
10 PM
55°F
20%
1mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
55°F
Dew Point
44°F
11 PM
54°F
30%
2mph
WNW
30% Chance Rain Showers
Humidity
71%
Feels like
54°F
Dew Point
45°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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