Hourly Weather Forecast - Alton, IL

11 AM
61°F
0%
2mph
S
Mostly Sunny
Humidity
53%
Feels like
61°F
Dew Point
44°F
12 PM
65°F
0%
3mph
S
Mostly Sunny
Humidity
47%
Feels like
65°F
Dew Point
45°F
1 PM
69°F
0%
3mph
S
Mostly Sunny
Humidity
43%
Feels like
69°F
Dew Point
46°F
2 PM
72°F
0%
3mph
S
Mostly Sunny
Humidity
40%
Feels like
72°F
Dew Point
46°F
3 PM
74°F
0%
4mph
S
Sunny
Humidity
38%
Feels like
74°F
Dew Point
46°F
4 PM
74°F
0%
3mph
S
Sunny
Humidity
38%
Feels like
74°F
Dew Point
47°F
5 PM
74°F
0%
3mph
S
Sunny
Humidity
39%
Feels like
74°F
Dew Point
47°F
6 PM
71°F
0%
2mph
S
Sunny
Humidity
44%
Feels like
71°F
Dew Point
48°F
7 PM
68°F
0%
1mph
SSE
Sunny
Humidity
50%
Feels like
68°F
Dew Point
49°F
7:11 PM
8 PM
65°F
0%
1mph
SSE
Clear
Humidity
56%
Feels like
65°F
Dew Point
49°F
9 PM
62°F
0%
2mph
SSE
Mostly Clear
Humidity
62%
Feels like
62°F
Dew Point
49°F
10 PM
60°F
0%
2mph
SSE
Mostly Clear
Humidity
67%
Feels like
60°F
Dew Point
49°F
11 PM
58°F
0%
2mph
SSE
Mostly Clear
Humidity
71%
Feels like
58°F
Dew Point
49°F

Today's High Temperature Outlook

Summer-Like Heat Scorches the Southwest

The calendar may stay it's only March, but it will feel like Summer across the Southwest over the next several days.

Today's Weather Outlook

Today's Weather Outlook

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

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