Hourly Weather Forecast - Collinsville, IL

12 AM
45°F
0%
4mph
E
Partly Cloudy
Humidity
55%
Feels like
43°F
Dew Point
30°F
1 AM
45°F
0%
4mph
E
Mostly Cloudy
Humidity
56%
Feels like
43°F
Dew Point
30°F
2 AM
44°F
0%
4mph
E
Mostly Cloudy
Humidity
56%
Feels like
42°F
Dew Point
29°F
3 AM
43°F
0%
5mph
ESE
Cloudy
Humidity
57%
Feels like
41°F
Dew Point
29°F
4 AM
42°F
0%
5mph
ESE
Cloudy
Humidity
60%
Feels like
40°F
Dew Point
29°F
5 AM
42°F
0%
4mph
ESE
Mostly Cloudy
Humidity
62%
Feels like
39°F
Dew Point
30°F
6 AM
41°F
0%
4mph
ESE
Mostly Cloudy
Humidity
65%
Feels like
39°F
Dew Point
30°F
6:57 AM
7 AM
42°F
0%
3mph
ESE
Partly Cloudy
Humidity
65%
Feels like
40°F
Dew Point
31°F
8 AM
44°F
0%
4mph
ESE
Partly Cloudy
Humidity
62%
Feels like
42°F
Dew Point
32°F
9 AM
46°F
0%
5mph
SE
Mostly Sunny
Humidity
58%
Feels like
44°F
Dew Point
33°F
10 AM
50°F
0%
6mph
SE
Sunny
Humidity
52%
Feels like
47°F
Dew Point
33°F
11 AM
53°F
0%
5mph
SSE
Mostly Sunny
Humidity
47%
Feels like
53°F
Dew Point
33°F
12 PM
55°F
0%
5mph
SSE
Partly Cloudy
Humidity
42%
Feels like
55°F
Dew Point
33°F
1 PM
58°F
0%
5mph
SSE
Mostly Cloudy
Humidity
39%
Feels like
58°F
Dew Point
33°F
2 PM
59°F
10%
4mph
SSE
Mostly Cloudy
Humidity
37%
Feels like
59°F
Dew Point
33°F
3 PM
61°F
10%
4mph
S
Cloudy
Humidity
36%
Feels like
61°F
Dew Point
33°F
4 PM
61°F
10%
4mph
S
Cloudy
Humidity
36%
Feels like
61°F
Dew Point
34°F
5 PM
60°F
10%
3mph
SSE
Cloudy
Humidity
38%
Feels like
60°F
Dew Point
35°F
6 PM
59°F
10%
2mph
SSE
Mostly Cloudy
Humidity
41%
Feels like
59°F
Dew Point
35°F
7 PM
57°F
10%
2mph
SE
Mostly Cloudy
Humidity
46%
Feels like
57°F
Dew Point
37°F
7:15 PM
8 PM
55°F
10%
2mph
SE
Partly Cloudy
Humidity
52%
Feels like
55°F
Dew Point
38°F
9 PM
53°F
10%
3mph
SSE
Partly Cloudy
Humidity
55%
Feels like
53°F
Dew Point
38°F
10 PM
52°F
10%
3mph
SSE
Partly Cloudy
Humidity
59%
Feels like
52°F
Dew Point
38°F
11 PM
50°F
10%
3mph
SSE
Partly Cloudy
Humidity
63%
Feels like
50°F
Dew Point
38°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(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

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

When Does Spring Begin?

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