Hourly Weather Forecast - Markham, IL

12 AM
25°F
0%
4mph
S
Mostly Cloudy
Humidity
55%
Feels like
20°F
Dew Point
11°F
1 AM
26°F
0%
4mph
S
Cloudy
Humidity
53%
Feels like
21°F
Dew Point
11°F
2 AM
27°F
0%
5mph
S
Cloudy
Humidity
52%
Feels like
21°F
Dew Point
12°F
3 AM
28°F
0%
5mph
S
Cloudy
Humidity
51%
Feels like
23°F
Dew Point
12°F
4 AM
29°F
0%
5mph
S
Cloudy
Humidity
50%
Feels like
23°F
Dew Point
13°F
5 AM
30°F
0%
5mph
S
Mostly Cloudy
Humidity
50%
Feels like
25°F
Dew Point
14°F
6 AM
31°F
0%
5mph
S
Mostly Cloudy
Humidity
53%
Feels like
25°F
Dew Point
16°F
7 AM
32°F
0%
6mph
S
Cloudy
Humidity
52%
Feels like
26°F
Dew Point
16°F
7:14 AM
8 AM
33°F
0%
6mph
S
Cloudy
Humidity
52%
Feels like
27°F
Dew Point
17°F
9 AM
34°F
10%
7mph
SSE
Cloudy
Humidity
51%
Feels like
28°F
Dew Point
18°F
10 AM
36°F
10%
7mph
SSE
Cloudy
Humidity
49%
Feels like
30°F
Dew Point
19°F
11 AM
37°F
20%
7mph
S
Cloudy
Humidity
49%
Feels like
32°F
Dew Point
20°F
12 PM
39°F
10%
7mph
S
Cloudy
Humidity
48%
Feels like
33°F
Dew Point
21°F
1 PM
39°F
10%
7mph
S
Mostly Cloudy
Humidity
47%
Feels like
34°F
Dew Point
21°F
2 PM
40°F
10%
7mph
S
Mostly Cloudy
Humidity
47%
Feels like
35°F
Dew Point
21°F
3 PM
39°F
10%
7mph
S
Mostly Cloudy
Humidity
48%
Feels like
34°F
Dew Point
21°F
4 PM
39°F
10%
7mph
S
Mostly Cloudy
Humidity
52%
Feels like
34°F
Dew Point
22°F
4:24 PM
5 PM
39°F
20%
7mph
S
Mostly Cloudy
Humidity
55%
Feels like
34°F
Dew Point
24°F
6 PM
39°F
30%
6mph
S
30% Chance of Light Rain
Humidity
56%
Feels like
34°F
Dew Point
24°F
7 PM
39°F
30%
7mph
S
30% Chance of Light Rain
Humidity
58%
Feels like
34°F
Dew Point
26°F
8 PM
39°F
30%
7mph
S
30% Chance of Light Rain
Humidity
63%
Feels like
35°F
Dew Point
28°F
9 PM
40°F
30%
7mph
SSW
30% Chance Rain Showers
Humidity
68%
Feels like
35°F
Dew Point
30°F
10 PM
40°F
30%
7mph
SSW
30% Chance Rain Showers
Humidity
71%
Feels like
35°F
Dew Point
31°F
11 PM
40°F
10%
7mph
SSW
Partly Cloudy
Humidity
74%
Feels like
36°F
Dew Point
33°F

Forecast Wind Gusts For Today

Storm Pummels Northeast U.S.

A strong disturbance will gradually exit the Northeast tonight while delivering rain and thunderstorms, snow and strong wind gusts.

Rain And Snow Totals Through Tonight

Atmospheric River Impacts Pacific Northwest

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide