Hourly Weather Forecast - Arlington Heights, IL

12 AM
29°F
10%
2mph
NNW
Mostly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
21°F
1 AM
29°F
10%
2mph
NNW
Mostly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
21°F
2 AM
29°F
10%
2mph
NNW
Mostly Cloudy
Humidity
73%
Feels like
29°F
Dew Point
21°F
3 AM
28°F
10%
2mph
NNW
Mostly Cloudy
Humidity
72%
Feels like
28°F
Dew Point
20°F
4 AM
28°F
20%
2mph
NNW
Mostly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
20°F
5 AM
27°F
20%
2mph
NNW
Cloudy
Humidity
73%
Feels like
27°F
Dew Point
20°F
6 AM
26°F
20%
2mph
N
Cloudy
Humidity
77%
Feels like
26°F
Dew Point
20°F
6:52 AM
7 AM
26°F
20%
2mph
N
Cloudy
Humidity
77%
Feels like
26°F
Dew Point
20°F
8 AM
28°F
20%
2mph
N
Cloudy
Humidity
73%
Feels like
28°F
Dew Point
20°F
9 AM
30°F
20%
3mph
N
Cloudy
Humidity
66%
Feels like
30°F
Dew Point
20°F
10 AM
32°F
20%
3mph
N
Cloudy
Humidity
62%
Feels like
32°F
Dew Point
21°F
11 AM
35°F
10%
3mph
N
Cloudy
Humidity
58%
Feels like
35°F
Dew Point
21°F
12 PM
37°F
10%
3mph
N
Cloudy
Humidity
55%
Feels like
37°F
Dew Point
22°F
1 PM
38°F
10%
3mph
N
Cloudy
Humidity
55%
Feels like
38°F
Dew Point
24°F

Saturday Morning's 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.

Weekend Weather Outlook

Weekend Weather Outlook

Image courtesy of Pixabay.com

All About Snow Squalls

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image by Frauke Feind from Pixabay

During Strong Winds: Stay Ready

Windchill chart

Dangers of Wind Chills

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