Hourly Weather Forecast - Mount Prospect, IL

12 AM
20°F
0%
6mph
NW
Cloudy
Humidity
60%
Feels like
13°F
Dew Point
9°F
1 AM
20°F
0%
6mph
NW
Cloudy
Humidity
60%
Feels like
12°F
Dew Point
9°F
2 AM
20°F
0%
6mph
NW
Cloudy
Humidity
60%
Feels like
13°F
Dew Point
9°F
3 AM
21°F
0%
6mph
NNW
Cloudy
Humidity
60%
Feels like
13°F
Dew Point
9°F
4 AM
21°F
0%
6mph
NNW
Cloudy
Humidity
60%
Feels like
13°F
Dew Point
9°F
5 AM
21°F
0%
5mph
NNW
Cloudy
Humidity
60%
Feels like
14°F
Dew Point
9°F
6 AM
22°F
0%
5mph
NNW
Cloudy
Humidity
60%
Feels like
15°F
Dew Point
10°F
7 AM
22°F
0%
4mph
NNW
Cloudy
Humidity
61%
Feels like
16°F
Dew Point
11°F
7:20 AM
8 AM
24°F
0%
4mph
NW
Cloudy
Humidity
60%
Feels like
18°F
Dew Point
12°F
9 AM
25°F
0%
4mph
NW
Cloudy
Humidity
57%
Feels like
21°F
Dew Point
12°F
10 AM
27°F
0%
4mph
NW
Mostly Cloudy
Humidity
54%
Feels like
23°F
Dew Point
13°F
11 AM
29°F
0%
3mph
WNW
Mostly Cloudy
Humidity
51%
Feels like
25°F
Dew Point
13°F
12 PM
30°F
0%
3mph
WNW
Mostly Cloudy
Humidity
50%
Feels like
27°F
Dew Point
14°F
1 PM
30°F
0%
4mph
W
Mostly Cloudy
Humidity
51%
Feels like
27°F
Dew Point
14°F
2 PM
30°F
0%
4mph
W
Cloudy
Humidity
52%
Feels like
26°F
Dew Point
15°F
3 PM
30°F
0%
4mph
W
Cloudy
Humidity
54%
Feels like
25°F
Dew Point
15°F
4 PM
29°F
0%
5mph
W
Mostly Cloudy
Humidity
55%
Feels like
24°F
Dew Point
15°F
4:32 PM
5 PM
28°F
0%
5mph
W
Cloudy
Humidity
59%
Feels like
22°F
Dew Point
15°F
6 PM
26°F
0%
5mph
WNW
Cloudy
Humidity
58%
Feels like
20°F
Dew Point
13°F
7 PM
25°F
0%
6mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
18°F
Dew Point
13°F
8 PM
24°F
0%
6mph
WNW
Partly Cloudy
Humidity
62%
Feels like
17°F
Dew Point
13°F
9 PM
24°F
0%
6mph
WNW
Partly Cloudy
Humidity
63%
Feels like
17°F
Dew Point
13°F
10 PM
24°F
0%
6mph
WNW
Mostly Clear
Humidity
63%
Feels like
16°F
Dew Point
13°F
11 PM
24°F
0%
7mph
NW
Clear
Humidity
64%
Feels like
15°F
Dew Point
13°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain, Mountain Snow in the West

Significant rain and heavy mountain snow will continue to batter California and the rest of the West for the first few days of 2026.

Friday's Weather Outlook

Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide