Hourly Weather Forecast - Markham, IL

7:03 AM
8 AM
31°F
70%
3mph
N
70% Chance of Heavy Snow
Humidity
100%
Feels like
28°F
Dew Point
31°F
9 AM
32°F
30%
4mph
N
30% Chance of Snow
Humidity
100%
Feels like
28°F
Dew Point
32°F
10 AM
32°F
30%
6mph
N
30% Chance of Snow
Humidity
98%
Feels like
27°F
Dew Point
32°F
11 AM
32°F
30%
8mph
N
30% Chance of Snow
Humidity
91%
Feels like
26°F
Dew Point
30°F
12 PM
31°F
0%
9mph
N
Cloudy
Humidity
89%
Feels like
24°F
Dew Point
29°F
1 PM
30°F
0%
10mph
N
Mostly Cloudy
Humidity
86%
Feels like
21°F
Dew Point
26°F
2 PM
28°F
0%
10mph
N
Mostly Cloudy
Humidity
85%
Feels like
19°F
Dew Point
24°F
3 PM
27°F
0%
9mph
N
Mostly Cloudy
Humidity
85%
Feels like
18°F
Dew Point
23°F
4 PM
26°F
0%
9mph
N
Mostly Cloudy
Humidity
86%
Feels like
16°F
Dew Point
22°F
4:20 PM
5 PM
25°F
0%
8mph
N
Mostly Cloudy
Humidity
84%
Feels like
17°F
Dew Point
21°F
6 PM
25°F
0%
7mph
N
Partly Cloudy
Humidity
78%
Feels like
17°F
Dew Point
19°F
7 PM
25°F
0%
6mph
N
Mostly Cloudy
Humidity
77%
Feels like
17°F
Dew Point
19°F
8 PM
24°F
30%
6mph
N
30% Chance Freezing Rain
Humidity
80%
Feels like
17°F
Dew Point
19°F
9 PM
24°F
30%
5mph
NNE
30 % Chance of Heavy Snow
Humidity
79%
Feels like
17°F
Dew Point
18°F
10 PM
23°F
30%
5mph
NNE
30% Chance of Snow
Humidity
79%
Feels like
16°F
Dew Point
17°F
11 PM
22°F
10%
4mph
ENE
Mostly Cloudy
Humidity
79%
Feels like
17°F
Dew Point
16°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.

Today's Weather Outlook

Today'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