Hourly Weather Forecast - Janesville, IL

12 AM
26°F
0%
14mph
S
Cloudy
Humidity
63%
Feels like
15°F
Dew Point
16°F
1 AM
27°F
0%
15mph
S
Cloudy
Humidity
61%
Feels like
15°F
Dew Point
15°F
2 AM
28°F
0%
16mph
S
Cloudy
Humidity
59%
Feels like
16°F
Dew Point
15°F
3 AM
28°F
0%
17mph
S
Cloudy
Humidity
58%
Feels like
16°F
Dew Point
15°F
4 AM
28°F
0%
17mph
SSW
Cloudy
Humidity
59%
Feels like
16°F
Dew Point
16°F
5 AM
29°F
0%
18mph
SSW
Cloudy
Humidity
65%
Feels like
16°F
Dew Point
19°F
6 AM
29°F
0%
18mph
SSW
Cloudy
Humidity
68%
Feels like
17°F
Dew Point
20°F
7 AM
30°F
0%
17mph
SSW
Cloudy
Humidity
71%
Feels like
19°F
Dew Point
22°F
7:08 AM
8 AM
32°F
0%
17mph
SSW
Cloudy
Humidity
71%
Feels like
21°F
Dew Point
23°F
9 AM
33°F
0%
17mph
SW
Cloudy
Humidity
71%
Feels like
23°F
Dew Point
25°F
10 AM
35°F
0%
18mph
SW
Mostly Cloudy
Humidity
72%
Feels like
25°F
Dew Point
27°F
11 AM
37°F
0%
19mph
SW
Partly Cloudy
Humidity
69%
Feels like
27°F
Dew Point
28°F
12 PM
38°F
0%
19mph
WSW
Partly Cloudy
Humidity
64%
Feels like
29°F
Dew Point
28°F
1 PM
39°F
0%
19mph
WSW
Partly Cloudy
Humidity
59%
Feels like
30°F
Dew Point
26°F
2 PM
39°F
0%
18mph
WSW
Partly Cloudy
Humidity
56%
Feels like
30°F
Dew Point
25°F
3 PM
38°F
10%
17mph
W
Partly Cloudy
Humidity
57%
Feels like
29°F
Dew Point
24°F
4 PM
37°F
20%
15mph
W
Partly Cloudy
Humidity
59%
Feels like
27°F
Dew Point
24°F
5 PM
34°F
30%
13mph
W
30% Chance Snow Showers
Humidity
63%
Feels like
25°F
Dew Point
23°F
5:00 PM
6 PM
32°F
10%
12mph
W
Mostly Clear
Humidity
67%
Feels like
23°F
Dew Point
22°F
7 PM
31°F
10%
11mph
WNW
Mostly Clear
Humidity
67%
Feels like
22°F
Dew Point
21°F
8 PM
30°F
20%
10mph
WNW
Mostly Clear
Humidity
68%
Feels like
21°F
Dew Point
21°F
9 PM
29°F
20%
10mph
WNW
Partly Cloudy
Humidity
68%
Feels like
20°F
Dew Point
20°F
10 PM
28°F
20%
10mph
WNW
Mostly Clear
Humidity
72%
Feels like
19°F
Dew Point
20°F
11 PM
28°F
20%
11mph
WNW
Mostly Clear
Humidity
74%
Feels like
18°F
Dew Point
21°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

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