Hourly Weather Forecast - Collinsville, IL

12 AM
44°F
10%
7mph
S
Clear
Humidity
73%
Feels like
41°F
Dew Point
36°F
1 AM
45°F
0%
6mph
SSW
Clear
Humidity
76%
Feels like
41°F
Dew Point
38°F
2 AM
45°F
10%
6mph
SSW
Clear
Humidity
80%
Feels like
41°F
Dew Point
39°F
3 AM
45°F
10%
6mph
SSW
Clear
Humidity
84%
Feels like
42°F
Dew Point
40°F
4 AM
45°F
20%
5mph
SSW
Clear
Humidity
87%
Feels like
42°F
Dew Point
41°F
5 AM
45°F
20%
5mph
SSW
Clear
Humidity
90%
Feels like
42°F
Dew Point
42°F
6 AM
46°F
20%
5mph
SSW
Hazy
Humidity
91%
Feels like
43°F
Dew Point
43°F
7 AM
47°F
20%
5mph
SSW
Hazy
Humidity
92%
Feels like
44°F
Dew Point
45°F
7:15 AM
8 AM
49°F
20%
6mph
SSW
Partly Cloudy
Humidity
91%
Feels like
46°F
Dew Point
46°F
9 AM
51°F
20%
6mph
SSW
Partly Cloudy
Humidity
89%
Feels like
51°F
Dew Point
48°F
10 AM
54°F
10%
6mph
SSW
Partly Cloudy
Humidity
87%
Feels like
54°F
Dew Point
50°F
11 AM
56°F
10%
6mph
SSW
Mostly Sunny
Humidity
84%
Feels like
56°F
Dew Point
51°F
12 PM
58°F
10%
6mph
SW
Sunny
Humidity
80%
Feels like
58°F
Dew Point
52°F
1 PM
60°F
10%
6mph
SW
Mostly Sunny
Humidity
77%
Feels like
60°F
Dew Point
53°F
2 PM
60°F
10%
5mph
SW
Mostly Sunny
Humidity
74%
Feels like
60°F
Dew Point
52°F
3 PM
60°F
10%
4mph
SSW
Mostly Sunny
Humidity
74%
Feels like
60°F
Dew Point
52°F
4 PM
58°F
10%
4mph
SSW
Mostly Sunny
Humidity
78%
Feels like
58°F
Dew Point
51°F
4:42 PM
5 PM
56°F
20%
3mph
SSW
Mostly Clear
Humidity
82%
Feels like
56°F
Dew Point
51°F
6 PM
55°F
20%
3mph
S
Hazy
Humidity
91%
Feels like
55°F
Dew Point
53°F
7 PM
54°F
20%
4mph
S
Mostly Clear
Humidity
90%
Feels like
54°F
Dew Point
51°F
8 PM
53°F
20%
4mph
S
Partly Cloudy
Humidity
92%
Feels like
53°F
Dew Point
51°F
9 PM
53°F
20%
4mph
S
Partly Cloudy
Humidity
93%
Feels like
53°F
Dew Point
51°F
10 PM
52°F
10%
4mph
S
Partly Cloudy
Humidity
95%
Feels like
52°F
Dew Point
51°F
11 PM
51°F
10%
4mph
S
Partly Cloudy
Humidity
97%
Feels like
51°F
Dew Point
51°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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