Hourly Weather Forecast - Arlington Heights, IL

12 AM
27°F
20%
7mph
S
Cloudy
Humidity
59%
Feels like
19°F
Dew Point
15°F
1 AM
27°F
10%
7mph
S
Cloudy
Humidity
60%
Feels like
20°F
Dew Point
15°F
2 AM
27°F
10%
7mph
S
Cloudy
Humidity
60%
Feels like
20°F
Dew Point
15°F
3 AM
28°F
0%
8mph
S
Cloudy
Humidity
61%
Feels like
20°F
Dew Point
16°F
4 AM
28°F
10%
8mph
S
Cloudy
Humidity
63%
Feels like
21°F
Dew Point
17°F
5 AM
29°F
10%
8mph
S
Cloudy
Humidity
64%
Feels like
22°F
Dew Point
18°F
6 AM
29°F
10%
7mph
S
Cloudy
Humidity
66%
Feels like
22°F
Dew Point
19°F
7 AM
30°F
10%
7mph
S
Cloudy
Humidity
67%
Feels like
23°F
Dew Point
20°F
7:16 AM
8 AM
31°F
10%
7mph
SSW
Cloudy
Humidity
67%
Feels like
24°F
Dew Point
21°F
9 AM
33°F
10%
7mph
SSW
Cloudy
Humidity
65%
Feels like
27°F
Dew Point
22°F
10 AM
35°F
10%
7mph
SSW
Cloudy
Humidity
64%
Feels like
29°F
Dew Point
24°F
11 AM
36°F
10%
7mph
SSW
Cloudy
Humidity
61%
Feels like
30°F
Dew Point
24°F
12 PM
37°F
10%
6mph
SW
Cloudy
Humidity
61%
Feels like
32°F
Dew Point
25°F
1 PM
37°F
10%
6mph
SW
Cloudy
Humidity
61%
Feels like
33°F
Dew Point
25°F
2 PM
38°F
10%
5mph
SW
Cloudy
Humidity
64%
Feels like
34°F
Dew Point
26°F
3 PM
37°F
10%
4mph
SW
Cloudy
Humidity
65%
Feels like
34°F
Dew Point
27°F
4 PM
37°F
10%
4mph
SW
Cloudy
Humidity
69%
Feels like
33°F
Dew Point
28°F
4:22 PM
5 PM
36°F
10%
4mph
WSW
Cloudy
Humidity
72%
Feels like
33°F
Dew Point
28°F
6 PM
36°F
10%
4mph
WSW
Cloudy
Humidity
75%
Feels like
33°F
Dew Point
29°F
7 PM
36°F
10%
3mph
W
Cloudy
Humidity
75%
Feels like
33°F
Dew Point
29°F
8 PM
35°F
10%
4mph
W
Cloudy
Humidity
76%
Feels like
32°F
Dew Point
28°F
9 PM
35°F
10%
4mph
WNW
Cloudy
Humidity
75%
Feels like
31°F
Dew Point
28°F
10 PM
34°F
10%
4mph
WNW
Cloudy
Humidity
73%
Feels like
31°F
Dew Point
27°F
11 PM
34°F
10%
3mph
WNW
Cloudy
Humidity
73%
Feels like
31°F
Dew Point
26°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

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