Hourly Weather Forecast - Collinsville, IL

12 AM
62°F
40%
5mph
S
40% Chance Rain Showers
Humidity
74%
Feels like
62°F
Dew Point
54°F
1 AM
62°F
30%
5mph
S
30% Chance Rain Showers
Humidity
77%
Feels like
62°F
Dew Point
54°F
2 AM
61°F
30%
5mph
S
30% Chance Rain Showers
Humidity
80%
Feels like
61°F
Dew Point
55°F
3 AM
60°F
20%
4mph
SSW
Mostly Clear
Humidity
83%
Feels like
60°F
Dew Point
55°F
4 AM
59°F
20%
4mph
SSW
Mostly Clear
Humidity
87%
Feels like
59°F
Dew Point
55°F
5 AM
58°F
10%
3mph
SSW
Mostly Clear
Humidity
90%
Feels like
58°F
Dew Point
55°F
6 AM
58°F
10%
3mph
SSW
Hazy
Humidity
93%
Feels like
58°F
Dew Point
56°F
6:54 AM
7 AM
59°F
10%
4mph
SSW
Partly Cloudy
Humidity
90%
Feels like
59°F
Dew Point
56°F
8 AM
62°F
10%
4mph
SSW
Partly Cloudy
Humidity
83%
Feels like
62°F
Dew Point
57°F
9 AM
67°F
10%
5mph
SW
Partly Cloudy
Humidity
74%
Feels like
67°F
Dew Point
59°F
10 AM
72°F
10%
6mph
SW
Partly Cloudy
Humidity
66%
Feels like
72°F
Dew Point
60°F
11 AM
76°F
10%
7mph
SW
Partly Cloudy
Humidity
58%
Feels like
76°F
Dew Point
60°F
12 PM
80°F
10%
8mph
SSW
Partly Cloudy
Humidity
51%
Feels like
80°F
Dew Point
60°F
1 PM
83°F
10%
8mph
SSW
Partly Cloudy
Humidity
46%
Feels like
83°F
Dew Point
60°F
2 PM
85°F
10%
8mph
SW
Partly Cloudy
Humidity
43%
Feels like
85°F
Dew Point
60°F
3 PM
87°F
10%
9mph
SW
Partly Cloudy
Humidity
41%
Feels like
86°F
Dew Point
60°F
4 PM
86°F
20%
9mph
SW
Mostly Cloudy
Humidity
42%
Feels like
86°F
Dew Point
60°F
5 PM
85°F
20%
9mph
WSW
Mostly Cloudy
Humidity
44%
Feels like
85°F
Dew Point
60°F
6 PM
82°F
30%
8mph
NNW
30% Chance Rain Showers
Humidity
47%
Feels like
82°F
Dew Point
60°F
7 PM
79°F
40%
7mph
N
40% Chance Rain Showers
Humidity
51%
Feels like
79°F
Dew Point
59°F
7:17 PM
8 PM
77°F
40%
7mph
NNE
40% Chance Rain Showers
Humidity
54%
Feels like
77°F
Dew Point
59°F
9 PM
74°F
50%
7mph
NNE
50% Chance Rain Showers
Humidity
56%
Feels like
74°F
Dew Point
58°F
10 PM
72°F
50%
8mph
NNE
50% Chance Rain Showers
Humidity
58%
Feels like
72°F
Dew Point
56°F
11 PM
68°F
60%
11mph
NNE
60% Chance Rain Showers
Humidity
59%
Feels like
68°F
Dew Point
53°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

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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