Hourly Weather Forecast - Prospect Heights, IL

12 AM
27°F
10%
8mph
S
Mostly Cloudy
Humidity
55%
Feels like
19°F
Dew Point
13°F
1 AM
28°F
10%
8mph
S
Cloudy
Humidity
54%
Feels like
19°F
Dew Point
13°F
2 AM
28°F
20%
9mph
S
Cloudy
Humidity
55%
Feels like
20°F
Dew Point
14°F
3 AM
28°F
30%
9mph
S
30% Chance Frozen Mix
Humidity
55%
Feels like
20°F
Dew Point
14°F
4 AM
29°F
30%
9mph
S
30% Chance Frozen Mix
Humidity
53%
Feels like
20°F
Dew Point
14°F
5 AM
29°F
30%
9mph
S
30% Chance Freezing Rain
Humidity
55%
Feels like
21°F
Dew Point
15°F
6 AM
29°F
30%
9mph
S
30% Chance Frozen Mix
Humidity
54%
Feels like
21°F
Dew Point
15°F
7 AM
30°F
30%
9mph
S
30% Chance Frozen Mix
Humidity
52%
Feels like
22°F
Dew Point
15°F
7:17 AM
8 AM
32°F
20%
9mph
S
Cloudy
Humidity
49%
Feels like
24°F
Dew Point
15°F
9 AM
34°F
10%
10mph
S
Cloudy
Humidity
46%
Feels like
26°F
Dew Point
15°F
10 AM
37°F
30%
10mph
S
30% Chance of Light Rain
Humidity
43%
Feels like
29°F
Dew Point
16°F
11 AM
39°F
30%
11mph
S
30% Chance of Light Rain
Humidity
41%
Feels like
32°F
Dew Point
17°F
12 PM
40°F
30%
11mph
S
30% Chance of Light Rain
Humidity
39%
Feels like
34°F
Dew Point
17°F
1 PM
41°F
30%
11mph
S
30% Chance of Light Rain
Humidity
39%
Feels like
34°F
Dew Point
18°F
2 PM
41°F
10%
11mph
S
Mostly Cloudy
Humidity
41%
Feels like
34°F
Dew Point
19°F
3 PM
40°F
10%
10mph
S
Partly Cloudy
Humidity
43%
Feels like
34°F
Dew Point
20°F
4 PM
39°F
10%
10mph
S
Partly Cloudy
Humidity
46%
Feels like
33°F
Dew Point
20°F
4:23 PM
5 PM
38°F
10%
10mph
S
Partly Cloudy
Humidity
49%
Feels like
32°F
Dew Point
21°F
6 PM
38°F
0%
10mph
S
Mostly Cloudy
Humidity
52%
Feels like
32°F
Dew Point
22°F
7 PM
38°F
0%
10mph
S
Cloudy
Humidity
53%
Feels like
32°F
Dew Point
23°F
8 PM
38°F
0%
10mph
S
Cloudy
Humidity
55%
Feels like
32°F
Dew Point
24°F
9 PM
39°F
0%
10mph
S
Cloudy
Humidity
58%
Feels like
32°F
Dew Point
25°F
10 PM
39°F
0%
11mph
SSW
Mostly Cloudy
Humidity
61%
Feels like
32°F
Dew Point
27°F
11 PM
39°F
0%
11mph
SSW
Partly Cloudy
Humidity
65%
Feels like
32°F
Dew Point
28°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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