Hourly Weather Forecast - Arlington Heights, IL

12 AM
40°F
30%
1mph
ENE
30% Chance of Light Rain
Humidity
97%
Feels like
40°F
Dew Point
40°F
1 AM
41°F
60%
1mph
ENE
60% Chance of Light Rain
Humidity
98%
Feels like
41°F
Dew Point
40°F
2 AM
41°F
90%
1mph
E
Light Rain
Humidity
100%
Feels like
41°F
Dew Point
41°F
3 AM
41°F
90%
1mph
E
Light Rain
Humidity
100%
Feels like
41°F
Dew Point
41°F
4 AM
40°F
90%
1mph
E
Light Rain
Humidity
99%
Feels like
40°F
Dew Point
40°F
5 AM
40°F
90%
2mph
ENE
Light Rain
Humidity
98%
Feels like
40°F
Dew Point
40°F
6 AM
41°F
60%
2mph
ENE
60% Chance of Light Rain
Humidity
94%
Feels like
41°F
Dew Point
39°F
6:21 AM
7 AM
43°F
70%
2mph
ENE
70% Chance of Light Rain
Humidity
95%
Feels like
43°F
Dew Point
41°F
8 AM
45°F
70%
3mph
ENE
70% Chance of Light Rain
Humidity
93%
Feels like
45°F
Dew Point
43°F
9 AM
47°F
70%
3mph
ENE
70% Chance of Light Rain
Humidity
89%
Feels like
47°F
Dew Point
44°F
10 AM
49°F
60%
3mph
ENE
60% Chance of Light Rain
Humidity
87%
Feels like
49°F
Dew Point
46°F
11 AM
51°F
60%
3mph
W
60% Chance of Light Rain
Humidity
88%
Feels like
51°F
Dew Point
47°F
12 PM
51°F
50%
3mph
WSW
50% Chance of Light Rain
Humidity
86%
Feels like
51°F
Dew Point
47°F
1 PM
52°F
40%
3mph
W
40% Chance Rain Showers
Humidity
84%
Feels like
52°F
Dew Point
47°F
2 PM
53°F
40%
3mph
W
40% Chance Rain Showers
Humidity
81%
Feels like
53°F
Dew Point
47°F
3 PM
53°F
30%
3mph
W
30% Chance Rain Showers
Humidity
80%
Feels like
53°F
Dew Point
47°F
4 PM
52°F
30%
3mph
W
30% Chance Rain Showers
Humidity
80%
Feels like
52°F
Dew Point
46°F
5 PM
51°F
20%
3mph
WNW
Mostly Cloudy
Humidity
81%
Feels like
51°F
Dew Point
45°F
5:46 PM
6 PM
49°F
20%
3mph
WNW
Cloudy
Humidity
83%
Feels like
49°F
Dew Point
44°F
7 PM
47°F
10%
3mph
WNW
Cloudy
Humidity
84%
Feels like
47°F
Dew Point
43°F
8 PM
46°F
10%
3mph
W
Cloudy
Humidity
85%
Feels like
46°F
Dew Point
42°F
9 PM
45°F
10%
2mph
W
Cloudy
Humidity
88%
Feels like
45°F
Dew Point
42°F
10 PM
44°F
10%
2mph
WNW
Cloudy
Humidity
91%
Feels like
44°F
Dew Point
41°F
11 PM
43°F
10%
2mph
NW
Cloudy
Humidity
92%
Feels like
43°F
Dew Point
41°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains tonight through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide