Hourly Weather Forecast - Collinsville, IL

12 AM
38°F
10%
5mph
SW
Partly Cloudy
Humidity
89%
Feels like
34°F
Dew Point
35°F
1 AM
38°F
10%
5mph
SW
Partly Cloudy
Humidity
90%
Feels like
34°F
Dew Point
35°F
2 AM
38°F
10%
4mph
SW
Partly Cloudy
Humidity
89%
Feels like
35°F
Dew Point
35°F
3 AM
38°F
10%
4mph
SW
Mostly Clear
Humidity
88%
Feels like
36°F
Dew Point
35°F
4 AM
38°F
10%
3mph
WSW
Partly Cloudy
Humidity
87%
Feels like
38°F
Dew Point
35°F
5 AM
38°F
0%
2mph
WSW
Partly Cloudy
Humidity
89%
Feels like
38°F
Dew Point
35°F
6 AM
37°F
0%
2mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
37°F
Dew Point
35°F
7 AM
37°F
0%
2mph
WSW
Partly Cloudy
Humidity
93%
Feels like
37°F
Dew Point
35°F
7:11 AM
8 AM
38°F
0%
1mph
WSW
Partly Cloudy
Humidity
92%
Feels like
38°F
Dew Point
36°F
9 AM
40°F
0%
1mph
WSW
Sunny
Humidity
89%
Feels like
40°F
Dew Point
37°F
10 AM
42°F
0%
1mph
SW
Sunny
Humidity
85%
Feels like
42°F
Dew Point
37°F
11 AM
44°F
0%
1mph
SSW
Sunny
Humidity
80%
Feels like
44°F
Dew Point
38°F
12 PM
46°F
0%
1mph
SSW
Sunny
Humidity
75%
Feels like
46°F
Dew Point
39°F
1 PM
47°F
0%
2mph
S
Sunny
Humidity
73%
Feels like
47°F
Dew Point
39°F
2 PM
48°F
0%
3mph
SSE
Sunny
Humidity
72%
Feels like
48°F
Dew Point
39°F
3 PM
47°F
0%
4mph
SSE
Sunny
Humidity
75%
Feels like
45°F
Dew Point
39°F
4 PM
46°F
0%
4mph
SSE
Sunny
Humidity
79%
Feels like
43°F
Dew Point
39°F
4:40 PM
5 PM
44°F
0%
5mph
SE
Clear
Humidity
83%
Feels like
41°F
Dew Point
39°F
6 PM
43°F
0%
6mph
SSE
Mostly Clear
Humidity
87%
Feels like
39°F
Dew Point
40°F
7 PM
43°F
0%
7mph
SSE
Mostly Clear
Humidity
90%
Feels like
38°F
Dew Point
40°F
8 PM
43°F
0%
8mph
SSE
Partly Cloudy
Humidity
92%
Feels like
38°F
Dew Point
41°F
9 PM
43°F
0%
9mph
S
Mostly Cloudy
Humidity
94%
Feels like
38°F
Dew Point
41°F
10 PM
44°F
0%
9mph
S
Cloudy
Humidity
94%
Feels like
39°F
Dew Point
42°F
11 PM
45°F
0%
10mph
S
Cloudy
Humidity
95%
Feels like
40°F
Dew Point
44°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide