Hourly Weather Forecast - Rock Falls, IL

2 PM
29°F
0%
15mph
NW
Partly Cloudy
Humidity
78%
Feels like
18°F
Dew Point
23°F
3 PM
28°F
0%
13mph
NW
Mostly Cloudy
Humidity
79%
Feels like
18°F
Dew Point
23°F
4 PM
28°F
0%
12mph
NW
Mostly Cloudy
Humidity
80%
Feels like
17°F
Dew Point
22°F
4:28 PM
5 PM
27°F
0%
11mph
NW
Mostly Cloudy
Humidity
83%
Feels like
17°F
Dew Point
23°F
6 PM
27°F
0%
10mph
NW
Mostly Cloudy
Humidity
86%
Feels like
17°F
Dew Point
23°F
7 PM
26°F
10%
10mph
NW
Cloudy
Humidity
88%
Feels like
17°F
Dew Point
23°F
8 PM
26°F
30%
10mph
WNW
30% Chance of Snow
Humidity
89%
Feels like
16°F
Dew Point
23°F
9 PM
25°F
30%
10mph
WNW
30% Chance of Snow
Humidity
90%
Feels like
15°F
Dew Point
23°F
10 PM
24°F
30%
10mph
WNW
30 % Chance of Heavy Snow
Humidity
90%
Feels like
14°F
Dew Point
22°F
11 PM
24°F
30%
10mph
NW
30% Chance of Snow
Humidity
90%
Feels like
13°F
Dew Point
21°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

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide