Hourly Weather Forecast - Arlington Heights, IL

2 PM
40°F
0%
0mph
S
Mostly Sunny
Humidity
71%
Feels like
40°F
Dew Point
31°F
3 PM
38°F
0%
0mph
SSE
Partly Cloudy
Humidity
73%
Feels like
38°F
Dew Point
31°F
4 PM
37°F
0%
1mph
SSE
Partly Cloudy
Humidity
76%
Feels like
37°F
Dew Point
30°F
4:21 PM
5 PM
35°F
0%
2mph
SSE
Partly Cloudy
Humidity
80%
Feels like
35°F
Dew Point
29°F
6 PM
33°F
0%
2mph
SSE
Mostly Clear
Humidity
83%
Feels like
33°F
Dew Point
28°F
7 PM
32°F
0%
3mph
SSE
Partly Cloudy
Humidity
84%
Feels like
29°F
Dew Point
28°F
8 PM
32°F
0%
4mph
SSE
Partly Cloudy
Humidity
84%
Feels like
28°F
Dew Point
28°F
9 PM
33°F
0%
6mph
S
Partly Cloudy
Humidity
85%
Feels like
27°F
Dew Point
29°F
10 PM
34°F
0%
6mph
S
Partly Cloudy
Humidity
84%
Feels like
28°F
Dew Point
29°F
11 PM
35°F
0%
7mph
S
Partly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
30°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

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How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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