Hourly Weather Forecast - Janesville, IL

11 AM
18°F
0%
12mph
SW
Partly Cloudy
Humidity
60%
Feels like
5°F
Dew Point
6°F
12 PM
19°F
0%
13mph
SSW
Partly Cloudy
Humidity
56%
Feels like
7°F
Dew Point
6°F
1 PM
21°F
0%
14mph
SSW
Partly Cloudy
Humidity
52%
Feels like
8°F
Dew Point
6°F
2 PM
22°F
0%
14mph
SSW
Mostly Cloudy
Humidity
50%
Feels like
10°F
Dew Point
7°F
3 PM
23°F
0%
14mph
SSW
Mostly Cloudy
Humidity
50%
Feels like
11°F
Dew Point
8°F
4 PM
24°F
10%
14mph
SSW
Mostly Cloudy
Humidity
50%
Feels like
11°F
Dew Point
8°F
4:57 PM
5 PM
24°F
10%
13mph
SW
Cloudy
Humidity
52%
Feels like
12°F
Dew Point
9°F
6 PM
24°F
10%
12mph
SW
Cloudy
Humidity
54%
Feels like
12°F
Dew Point
10°F
7 PM
24°F
30%
12mph
SW
30% Chance of Flurries
Humidity
55%
Feels like
13°F
Dew Point
10°F
8 PM
24°F
30%
12mph
SW
30% Chance of Snow
Humidity
59%
Feels like
13°F
Dew Point
12°F
9 PM
24°F
0%
13mph
SW
Mostly Cloudy
Humidity
60%
Feels like
12°F
Dew Point
12°F
10 PM
23°F
0%
14mph
WSW
Partly Cloudy
Humidity
64%
Feels like
10°F
Dew Point
13°F
11 PM
22°F
0%
17mph
W
Partly Cloudy
Humidity
71%
Feels like
8°F
Dew Point
14°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and eastern U.S.

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide