Hourly Weather Forecast - Belvidere, IL

12 AM
18°F
10%
4mph
SW
Mostly Cloudy
Humidity
89%
Feels like
12°F
Dew Point
15°F
1 AM
17°F
10%
3mph
SW
Mostly Cloudy
Humidity
89%
Feels like
12°F
Dew Point
15°F
2 AM
17°F
0%
3mph
SW
Mostly Cloudy
Humidity
88%
Feels like
13°F
Dew Point
15°F
3 AM
17°F
0%
3mph
SW
Mostly Cloudy
Humidity
88%
Feels like
17°F
Dew Point
14°F
4 AM
17°F
0%
3mph
SSW
Partly Cloudy
Humidity
89%
Feels like
17°F
Dew Point
14°F
5 AM
16°F
0%
3mph
SSW
Partly Cloudy
Humidity
89%
Feels like
16°F
Dew Point
14°F
6 AM
16°F
0%
3mph
S
Mostly Clear
Humidity
90%
Feels like
11°F
Dew Point
14°F
7 AM
17°F
0%
3mph
S
Hazy
Humidity
91%
Feels like
12°F
Dew Point
15°F
7:17 AM
8 AM
19°F
0%
4mph
S
Hazy
Humidity
93%
Feels like
13°F
Dew Point
17°F
9 AM
20°F
0%
4mph
S
Hazy
Humidity
93%
Feels like
15°F
Dew Point
19°F
10 AM
23°F
0%
5mph
S
Hazy
Humidity
92%
Feels like
16°F
Dew Point
21°F
11 AM
26°F
0%
6mph
S
Mostly Sunny
Humidity
89%
Feels like
18°F
Dew Point
23°F
12 PM
28°F
0%
8mph
SSW
Partly Cloudy
Humidity
87%
Feels like
20°F
Dew Point
25°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday'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

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide