Hourly Weather Forecast - Alton, IL

12 AM
45°F
0%
13mph
SSW
Partly Cloudy
Humidity
56%
Feels like
39°F
Dew Point
31°F
1 AM
45°F
0%
13mph
SSW
Partly Cloudy
Humidity
58%
Feels like
39°F
Dew Point
31°F
2 AM
45°F
0%
13mph
SSW
Partly Cloudy
Humidity
57%
Feels like
39°F
Dew Point
30°F
3 AM
45°F
0%
12mph
SW
Mostly Clear
Humidity
56%
Feels like
39°F
Dew Point
30°F
4 AM
45°F
0%
11mph
SW
Mostly Clear
Humidity
58%
Feels like
39°F
Dew Point
31°F
5 AM
45°F
0%
10mph
SW
Mostly Clear
Humidity
58%
Feels like
40°F
Dew Point
31°F
6 AM
45°F
0%
10mph
WSW
Mostly Clear
Humidity
59%
Feels like
40°F
Dew Point
32°F
7 AM
46°F
0%
9mph
WSW
Partly Cloudy
Humidity
58%
Feels like
42°F
Dew Point
32°F
7:15 AM
8 AM
48°F
0%
10mph
WSW
Partly Cloudy
Humidity
59%
Feels like
43°F
Dew Point
34°F
9 AM
50°F
0%
10mph
W
Partly Cloudy
Humidity
58%
Feels like
50°F
Dew Point
36°F
10 AM
53°F
0%
11mph
W
Partly Cloudy
Humidity
55%
Feels like
53°F
Dew Point
37°F
11 AM
55°F
0%
11mph
W
Partly Cloudy
Humidity
48%
Feels like
55°F
Dew Point
36°F
12 PM
56°F
0%
11mph
WNW
Partly Cloudy
Humidity
41%
Feels like
56°F
Dew Point
33°F
1 PM
57°F
0%
10mph
WNW
Partly Cloudy
Humidity
38%
Feels like
57°F
Dew Point
32°F
2 PM
58°F
0%
10mph
WNW
Partly Cloudy
Humidity
34%
Feels like
58°F
Dew Point
29°F
3 PM
58°F
0%
10mph
WNW
Partly Cloudy
Humidity
31%
Feels like
58°F
Dew Point
28°F
4 PM
57°F
0%
9mph
WNW
Mostly Sunny
Humidity
32%
Feels like
57°F
Dew Point
28°F
5 PM
56°F
0%
7mph
WNW
Mostly Sunny
Humidity
32%
Feels like
56°F
Dew Point
27°F
6 PM
54°F
0%
5mph
NW
Mostly Sunny
Humidity
36%
Feels like
54°F
Dew Point
28°F
7 PM
52°F
0%
4mph
NW
Mostly Sunny
Humidity
38%
Feels like
52°F
Dew Point
28°F
7:05 PM
8 PM
50°F
0%
3mph
NNW
Mostly Clear
Humidity
42%
Feels like
50°F
Dew Point
28°F
9 PM
48°F
0%
3mph
N
Partly Cloudy
Humidity
46%
Feels like
48°F
Dew Point
28°F
10 PM
47°F
0%
3mph
N
Partly Cloudy
Humidity
49%
Feels like
47°F
Dew Point
28°F
11 PM
45°F
0%
3mph
NNE
Mostly Clear
Humidity
50%
Feels like
45°F
Dew Point
28°F

Today's Severe Weather Outlook

Severe Storms Rally from Gulf Coast to Mid-Atlantic

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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Today's National Outlook

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Allergy Forecast

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