Hourly Weather Forecast - Collinsville, IL

12 AM
28°F
0%
6mph
NNW
Partly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
21°F
1 AM
27°F
0%
5mph
NNW
Partly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
20°F
2 AM
27°F
0%
4mph
NNW
Partly Cloudy
Humidity
75%
Feels like
22°F
Dew Point
20°F
3 AM
26°F
0%
4mph
NNW
Partly Cloudy
Humidity
75%
Feels like
22°F
Dew Point
19°F
4 AM
26°F
0%
3mph
N
Mostly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
19°F
5 AM
26°F
0%
3mph
N
Mostly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
19°F
6 AM
25°F
0%
3mph
NNE
Mostly Cloudy
Humidity
75%
Feels like
25°F
Dew Point
19°F
7 AM
26°F
0%
2mph
NNE
Partly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
19°F
7:09 AM
8 AM
27°F
0%
2mph
NE
Partly Cloudy
Humidity
71%
Feels like
27°F
Dew Point
19°F
9 AM
28°F
0%
2mph
ENE
Partly Cloudy
Humidity
67%
Feels like
28°F
Dew Point
19°F
10 AM
30°F
0%
2mph
ENE
Partly Cloudy
Humidity
64%
Feels like
30°F
Dew Point
19°F
11 AM
31°F
0%
1mph
NE
Partly Cloudy
Humidity
61%
Feels like
31°F
Dew Point
20°F
12 PM
33°F
10%
1mph
NE
Partly Cloudy
Humidity
59%
Feels like
33°F
Dew Point
20°F
1 PM
34°F
10%
1mph
NNE
Partly Cloudy
Humidity
58%
Feels like
34°F
Dew Point
20°F
2 PM
34°F
10%
2mph
NNE
Partly Cloudy
Humidity
58%
Feels like
34°F
Dew Point
21°F
3 PM
33°F
20%
2mph
NNE
Mostly Cloudy
Humidity
60%
Feels like
33°F
Dew Point
20°F
4 PM
31°F
20%
4mph
NNE
Mostly Cloudy
Humidity
62%
Feels like
27°F
Dew Point
20°F
4:38 PM
5 PM
29°F
30%
5mph
NNE
30% Chance of Flurries
Humidity
64%
Feels like
23°F
Dew Point
19°F
6 PM
28°F
30%
7mph
N
30% Chance of Flurries
Humidity
64%
Feels like
20°F
Dew Point
17°F
7 PM
26°F
30%
8mph
N
30% Chance of Flurries
Humidity
64%
Feels like
18°F
Dew Point
16°F
8 PM
24°F
30%
8mph
N
30% Chance of Flurries
Humidity
64%
Feels like
16°F
Dew Point
14°F
9 PM
22°F
20%
9mph
N
Cloudy
Humidity
65%
Feels like
13°F
Dew Point
12°F
10 PM
20°F
10%
9mph
N
Mostly Cloudy
Humidity
66%
Feels like
10°F
Dew Point
11°F
11 PM
18°F
10%
9mph
N
Partly Cloudy
Humidity
67%
Feels like
7°F
Dew Point
9°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide