Hourly Weather Forecast - Arlington Heights, IL

9 AM
0°F
0%
6mph
NW
Sunny
Humidity
68%
Feels like
-11°F
Dew Point
-8°F
10 AM
2°F
0%
5mph
NW
Sunny
Humidity
67%
Feels like
-8°F
Dew Point
-6°F
11 AM
5°F
0%
5mph
NW
Sunny
Humidity
62%
Feels like
-4°F
Dew Point
-5°F
12 PM
7°F
0%
4mph
WNW
Mostly Sunny
Humidity
60%
Feels like
-1°F
Dew Point
-4°F
1 PM
8°F
0%
4mph
WNW
Mostly Sunny
Humidity
60%
Feels like
1°F
Dew Point
-3°F
2 PM
9°F
0%
3mph
WNW
Mostly Sunny
Humidity
60%
Feels like
9°F
Dew Point
-2°F
3 PM
9°F
0%
3mph
WNW
Mostly Sunny
Humidity
60%
Feels like
9°F
Dew Point
-2°F
4 PM
9°F
0%
3mph
W
Mostly Sunny
Humidity
61%
Feels like
9°F
Dew Point
-2°F
4:20 PM
5 PM
8°F
0%
2mph
W
Mostly Clear
Humidity
62%
Feels like
8°F
Dew Point
-2°F
6 PM
7°F
0%
3mph
W
Partly Cloudy
Humidity
64%
Feels like
7°F
Dew Point
-2°F
7 PM
7°F
0%
2mph
WSW
Partly Cloudy
Humidity
64%
Feels like
7°F
Dew Point
-2°F
8 PM
7°F
0%
2mph
WSW
Partly Cloudy
Humidity
63%
Feels like
7°F
Dew Point
-3°F
9 PM
7°F
0%
3mph
WSW
Partly Cloudy
Humidity
62%
Feels like
7°F
Dew Point
-3°F
10 PM
7°F
0%
3mph
SW
Partly Cloudy
Humidity
62%
Feels like
7°F
Dew Point
-3°F
11 PM
6°F
0%
4mph
SW
Partly Cloudy
Humidity
65%
Feels like
-1°F
Dew Point
-3°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

Sunday Weather Outlook

Today'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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