Hourly Weather Forecast - Rochester, IL

9 AM
39°F
70%
18mph
WNW
70% Chance of Light Rain
Humidity
72%
Feels like
30°F
Dew Point
31°F
10 AM
38°F
70%
18mph
WNW
70% Chance of Light Rain
Humidity
72%
Feels like
29°F
Dew Point
30°F
11 AM
37°F
30%
18mph
NW
30% Chance of Snow
Humidity
71%
Feels like
27°F
Dew Point
29°F
12 PM
37°F
10%
18mph
NW
Cloudy
Humidity
71%
Feels like
26°F
Dew Point
28°F
1 PM
36°F
0%
18mph
NW
Cloudy
Humidity
70%
Feels like
26°F
Dew Point
27°F
2 PM
35°F
0%
17mph
NW
Cloudy
Humidity
69%
Feels like
25°F
Dew Point
26°F
3 PM
35°F
0%
15mph
NW
Cloudy
Humidity
68%
Feels like
25°F
Dew Point
25°F
4 PM
34°F
0%
13mph
NW
Cloudy
Humidity
68%
Feels like
24°F
Dew Point
24°F
4:33 PM
5 PM
33°F
0%
12mph
NW
Mostly Cloudy
Humidity
69%
Feels like
24°F
Dew Point
24°F
6 PM
31°F
0%
11mph
NW
Cloudy
Humidity
71%
Feels like
23°F
Dew Point
23°F
7 PM
30°F
0%
10mph
NW
Cloudy
Humidity
74%
Feels like
22°F
Dew Point
23°F
8 PM
29°F
0%
9mph
NW
Cloudy
Humidity
77%
Feels like
21°F
Dew Point
23°F
9 PM
28°F
0%
9mph
NW
Cloudy
Humidity
80%
Feels like
20°F
Dew Point
23°F
10 PM
28°F
0%
9mph
NW
Cloudy
Humidity
81%
Feels like
20°F
Dew Point
23°F
11 PM
28°F
0%
9mph
NW
Cloudy
Humidity
81%
Feels like
19°F
Dew Point
23°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

Today's Weather Outlook

Today'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