Hourly Weather Forecast - Arlington Heights, IL

12 AM
47°F
30%
5mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
45°F
Dew Point
44°F
1 AM
47°F
20%
5mph
S
Cloudy
Humidity
90%
Feels like
45°F
Dew Point
44°F
2 AM
47°F
20%
5mph
S
Cloudy
Humidity
90%
Feels like
45°F
Dew Point
45°F
3 AM
47°F
20%
4mph
S
Cloudy
Humidity
90%
Feels like
46°F
Dew Point
45°F
4 AM
47°F
20%
4mph
S
Cloudy
Humidity
89%
Feels like
46°F
Dew Point
44°F
5 AM
47°F
20%
4mph
S
Cloudy
Humidity
89%
Feels like
46°F
Dew Point
44°F
6 AM
47°F
20%
4mph
S
Cloudy
Humidity
89%
Feels like
46°F
Dew Point
44°F
7 AM
48°F
10%
4mph
S
Cloudy
Humidity
89%
Feels like
47°F
Dew Point
45°F
7:18 AM
8 AM
48°F
20%
4mph
S
Cloudy
Humidity
88%
Feels like
47°F
Dew Point
45°F
9 AM
50°F
20%
3mph
S
Cloudy
Humidity
84%
Feels like
49°F
Dew Point
45°F
10 AM
51°F
20%
3mph
S
Cloudy
Humidity
81%
Feels like
51°F
Dew Point
46°F

Forecast Wind Gusts For Today

Storm Pummels Eastern U.S.

A strong disturbance will sweep across the eastern U.S. today bringing various impacts including rain and thunderstorms, snow and even strong wind gusts.

Rain And Snow Totals Through Tonight

Atmospheric River Impacts Pacific Northwest

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide