Hourly Weather Forecast - Markham, IL

7 PM
23°F
10%
6mph
N
Mostly Cloudy
Humidity
86%
Feels like
16°F
Dew Point
20°F
8 PM
23°F
20%
5mph
N
Mostly Cloudy
Humidity
87%
Feels like
17°F
Dew Point
20°F
9 PM
23°F
20%
5mph
N
Cloudy
Humidity
87%
Feels like
17°F
Dew Point
20°F
10 PM
23°F
30%
4mph
NNE
30% Chance of Snow
Humidity
85%
Feels like
17°F
Dew Point
19°F
11 PM
22°F
30%
4mph
ENE
30% Chance of Snow
Humidity
82%
Feels like
15°F
Dew Point
17°F

Snow Totals Through Tonight

Snow Impacts Great Lakes to New England

A low pressure system spurs a swath of snow from Wisconsin to New England today.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide