Hourly Weather Forecast - Arlington Heights, IL

12 AM
32°F
0%
2mph
S
Partly Cloudy
Humidity
86%
Feels like
32°F
Dew Point
28°F
1 AM
31°F
0%
2mph
SSE
Partly Cloudy
Humidity
88%
Feels like
31°F
Dew Point
28°F
2 AM
31°F
0%
2mph
SSE
Mostly Clear
Humidity
89%
Feels like
31°F
Dew Point
29°F
3 AM
31°F
0%
2mph
SE
Mostly Clear
Humidity
89%
Feels like
31°F
Dew Point
29°F
4 AM
31°F
0%
2mph
SE
Partly Cloudy
Humidity
90%
Feels like
31°F
Dew Point
29°F
5 AM
31°F
0%
2mph
SE
Cloudy
Humidity
91%
Feels like
31°F
Dew Point
29°F
6 AM
31°F
0%
3mph
SE
Cloudy
Humidity
89%
Feels like
31°F
Dew Point
29°F
6:55 AM
7 AM
33°F
0%
3mph
SE
Cloudy
Humidity
87%
Feels like
33°F
Dew Point
29°F
8 AM
35°F
10%
3mph
ESE
Cloudy
Humidity
85%
Feels like
33°F
Dew Point
31°F
9 AM
38°F
0%
4mph
ESE
Cloudy
Humidity
81%
Feels like
36°F
Dew Point
33°F
10 AM
41°F
0%
4mph
SE
Cloudy
Humidity
78%
Feels like
39°F
Dew Point
35°F
11 AM
44°F
10%
4mph
SE
Mostly Cloudy
Humidity
75%
Feels like
42°F
Dew Point
37°F
12 PM
46°F
10%
4mph
SE
Mostly Cloudy
Humidity
73%
Feels like
44°F
Dew Point
38°F
1 PM
47°F
10%
4mph
ESE
Mostly Cloudy
Humidity
75%
Feels like
45°F
Dew Point
40°F
2 PM
47°F
20%
4mph
ENE
Mostly Cloudy
Humidity
77%
Feels like
45°F
Dew Point
40°F
3 PM
46°F
20%
4mph
NE
Mostly Cloudy
Humidity
80%
Feels like
43°F
Dew Point
40°F
4 PM
44°F
20%
4mph
NNE
Cloudy
Humidity
82%
Feels like
42°F
Dew Point
39°F
5 PM
43°F
20%
4mph
N
Cloudy
Humidity
81%
Feels like
40°F
Dew Point
37°F
5:18 PM
6 PM
41°F
20%
4mph
NNW
Cloudy
Humidity
80%
Feels like
38°F
Dew Point
35°F
7 PM
39°F
10%
4mph
NNW
Cloudy
Humidity
78%
Feels like
36°F
Dew Point
33°F
8 PM
38°F
10%
5mph
NNW
Cloudy
Humidity
80%
Feels like
34°F
Dew Point
32°F
9 PM
37°F
10%
5mph
NNW
Cloudy
Humidity
81%
Feels like
33°F
Dew Point
32°F
10 PM
37°F
20%
5mph
NNW
Cloudy
Humidity
81%
Feels like
32°F
Dew Point
31°F
11 PM
36°F
20%
6mph
NNW
Cloudy
Humidity
79%
Feels like
31°F
Dew Point
30°F

Saturday morning low temperatures

Snow, Record-Breaking Cold Headed for Great Lakes & Northeast

Frigid temperatures, high winds, and snow headed to a large portion of the eastern U.S. today through this weekend.

Friday's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image courtesy of Pixabay.com

All About Snow Squalls

Windchill chart

Dangers of Wind Chills

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide