Hourly Weather Forecast - Alton, IL

12 AM
43°F
0%
3mph
NNE
Mostly Clear
Humidity
53%
Feels like
43°F
Dew Point
27°F
1 AM
42°F
0%
3mph
NE
Mostly Clear
Humidity
55%
Feels like
42°F
Dew Point
27°F
2 AM
40°F
0%
3mph
NE
Mostly Clear
Humidity
56%
Feels like
38°F
Dew Point
26°F
3 AM
40°F
0%
4mph
NE
Mostly Clear
Humidity
57%
Feels like
37°F
Dew Point
26°F
4 AM
39°F
0%
4mph
NE
Partly Cloudy
Humidity
57%
Feels like
36°F
Dew Point
25°F
5 AM
39°F
0%
4mph
ENE
Partly Cloudy
Humidity
57%
Feels like
36°F
Dew Point
25°F
6 AM
38°F
0%
4mph
ENE
Partly Cloudy
Humidity
59%
Feels like
35°F
Dew Point
25°F
7 AM
38°F
0%
4mph
ENE
Partly Cloudy
Humidity
60%
Feels like
35°F
Dew Point
26°F
7:13 AM
8 AM
40°F
0%
5mph
E
Partly Cloudy
Humidity
58%
Feels like
36°F
Dew Point
26°F
9 AM
43°F
0%
6mph
E
Partly Cloudy
Humidity
53%
Feels like
39°F
Dew Point
27°F
10 AM
46°F
0%
7mph
E
Partly Cloudy
Humidity
49%
Feels like
43°F
Dew Point
28°F
11 AM
50°F
0%
8mph
E
Mostly Cloudy
Humidity
44%
Feels like
47°F
Dew Point
29°F
12 PM
53°F
0%
8mph
ESE
Mostly Cloudy
Humidity
40%
Feels like
53°F
Dew Point
29°F
1 PM
56°F
0%
8mph
ESE
Mostly Cloudy
Humidity
38%
Feels like
56°F
Dew Point
30°F
2 PM
58°F
0%
9mph
ESE
Mostly Cloudy
Humidity
35%
Feels like
58°F
Dew Point
30°F
3 PM
59°F
0%
9mph
ESE
Mostly Cloudy
Humidity
36%
Feels like
59°F
Dew Point
32°F
4 PM
59°F
0%
9mph
ESE
Mostly Cloudy
Humidity
39%
Feels like
59°F
Dew Point
35°F
5 PM
59°F
0%
9mph
ESE
Cloudy
Humidity
42%
Feels like
59°F
Dew Point
36°F
6 PM
58°F
0%
8mph
ESE
Cloudy
Humidity
47%
Feels like
58°F
Dew Point
38°F
7 PM
57°F
0%
7mph
ESE
Cloudy
Humidity
51%
Feels like
57°F
Dew Point
39°F
7:06 PM
8 PM
56°F
10%
7mph
ESE
Cloudy
Humidity
57%
Feels like
56°F
Dew Point
41°F
9 PM
55°F
10%
7mph
ESE
Cloudy
Humidity
63%
Feels like
55°F
Dew Point
42°F
10 PM
54°F
10%
7mph
SE
Cloudy
Humidity
66%
Feels like
54°F
Dew Point
43°F
11 PM
54°F
10%
7mph
SE
Cloudy
Humidity
67%
Feels like
54°F
Dew Point
43°F

Today's Severe Weather Outlook

Severe Storms Continue To Wreak Havoc on East, Gulf Coasts

Multiple rounds of severe storms will form today from the Gulf Coast to the Mid-Atlantic.

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

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