Hourly Weather Forecast - Collinsville, IL

12 AM
17°F
10%
9mph
N
Partly Cloudy
Humidity
66%
Feels like
5°F
Dew Point
7°F
1 AM
15°F
10%
9mph
NNW
Partly Cloudy
Humidity
65%
Feels like
3°F
Dew Point
6°F
2 AM
14°F
10%
9mph
NNW
Mostly Clear
Humidity
63%
Feels like
2°F
Dew Point
4°F
3 AM
13°F
10%
9mph
NNW
Clear
Humidity
62%
Feels like
1°F
Dew Point
2°F
4 AM
12°F
0%
9mph
NNW
Clear
Humidity
60%
Feels like
0°F
Dew Point
1°F
5 AM
11°F
0%
9mph
NNW
Clear
Humidity
59%
Feels like
-1°F
Dew Point
0°F
6 AM
10°F
0%
8mph
NNW
Mostly Clear
Humidity
59%
Feels like
-2°F
Dew Point
-1°F
7 AM
10°F
0%
8mph
NNW
Mostly Clear
Humidity
57%
Feels like
-2°F
Dew Point
-2°F
7:09 AM
8 AM
11°F
10%
8mph
NNW
Mostly Sunny
Humidity
53%
Feels like
0°F
Dew Point
-2°F
9 AM
13°F
0%
7mph
N
Partly Cloudy
Humidity
48%
Feels like
2°F
Dew Point
-3°F
10 AM
15°F
0%
7mph
N
Partly Cloudy
Humidity
44%
Feels like
5°F
Dew Point
-3°F
11 AM
17°F
0%
6mph
N
Mostly Sunny
Humidity
39%
Feels like
8°F
Dew Point
-3°F
12 PM
19°F
0%
6mph
N
Mostly Sunny
Humidity
36%
Feels like
11°F
Dew Point
-3°F
1 PM
20°F
0%
5mph
N
Mostly Sunny
Humidity
35%
Feels like
13°F
Dew Point
-3°F
2 PM
21°F
0%
5mph
N
Sunny
Humidity
35%
Feels like
14°F
Dew Point
-3°F
3 PM
20°F
0%
4mph
N
Sunny
Humidity
36%
Feels like
14°F
Dew Point
-2°F
4 PM
19°F
0%
4mph
N
Sunny
Humidity
38%
Feels like
14°F
Dew Point
-2°F
4:39 PM
5 PM
18°F
0%
3mph
NNE
Clear
Humidity
41%
Feels like
14°F
Dew Point
-2°F
6 PM
18°F
0%
3mph
NE
Clear
Humidity
43%
Feels like
13°F
Dew Point
-1°F
7 PM
17°F
0%
3mph
NE
Clear
Humidity
45%
Feels like
12°F
Dew Point
-1°F
8 PM
16°F
0%
3mph
ENE
Clear
Humidity
47%
Feels like
16°F
Dew Point
0°F
9 PM
15°F
10%
3mph
ENE
Clear
Humidity
49%
Feels like
10°F
Dew Point
0°F
10 PM
14°F
10%
3mph
E
Clear
Humidity
51%
Feels like
9°F
Dew Point
0°F
11 PM
14°F
10%
3mph
E
Clear
Humidity
53%
Feels like
9°F
Dew Point
0°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

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