Hourly Weather Forecast - Janesville, IL

12 AM
22°F
0%
19mph
WNW
Partly Cloudy
Humidity
62%
Feels like
7°F
Dew Point
11°F
1 AM
21°F
0%
19mph
WNW
Partly Cloudy
Humidity
61%
Feels like
6°F
Dew Point
10°F
2 AM
20°F
0%
17mph
WNW
Partly Cloudy
Humidity
60%
Feels like
5°F
Dew Point
8°F
3 AM
19°F
0%
17mph
WNW
Mostly Clear
Humidity
59%
Feels like
5°F
Dew Point
8°F
4 AM
19°F
0%
15mph
WNW
Mostly Clear
Humidity
59%
Feels like
4°F
Dew Point
7°F
5 AM
18°F
0%
14mph
NW
Clear
Humidity
60%
Feels like
4°F
Dew Point
7°F
6 AM
18°F
0%
13mph
NW
Clear
Humidity
60%
Feels like
4°F
Dew Point
6°F
7 AM
18°F
0%
12mph
NW
Clear
Humidity
60%
Feels like
5°F
Dew Point
7°F
7:08 AM
8 AM
19°F
0%
12mph
NW
Sunny
Humidity
58%
Feels like
6°F
Dew Point
7°F
9 AM
20°F
0%
11mph
NW
Sunny
Humidity
55%
Feels like
8°F
Dew Point
7°F
10 AM
21°F
0%
10mph
WNW
Sunny
Humidity
53%
Feels like
10°F
Dew Point
7°F
11 AM
23°F
0%
10mph
W
Sunny
Humidity
50%
Feels like
13°F
Dew Point
7°F
12 PM
25°F
0%
9mph
WSW
Sunny
Humidity
48%
Feels like
15°F
Dew Point
8°F
1 PM
26°F
0%
9mph
SW
Sunny
Humidity
46%
Feels like
17°F
Dew Point
8°F
2 PM
27°F
0%
9mph
SSW
Sunny
Humidity
45%
Feels like
19°F
Dew Point
9°F
3 PM
28°F
0%
9mph
S
Sunny
Humidity
45%
Feels like
19°F
Dew Point
10°F
4 PM
28°F
0%
9mph
S
Sunny
Humidity
48%
Feels like
19°F
Dew Point
11°F
4:31 PM
5 PM
27°F
0%
9mph
SSE
Mostly Clear
Humidity
53%
Feels like
18°F
Dew Point
12°F
6 PM
26°F
0%
10mph
SSE
Mostly Clear
Humidity
57%
Feels like
17°F
Dew Point
13°F
7 PM
26°F
0%
11mph
SSE
Mostly Clear
Humidity
60%
Feels like
16°F
Dew Point
14°F
8 PM
26°F
0%
12mph
SSE
Mostly Clear
Humidity
64%
Feels like
16°F
Dew Point
16°F
9 PM
27°F
0%
13mph
SSE
Mostly Clear
Humidity
66%
Feels like
16°F
Dew Point
17°F
10 PM
28°F
0%
14mph
SSE
Mostly Clear
Humidity
68%
Feels like
16°F
Dew Point
18°F
11 PM
28°F
0%
15mph
S
Partly Cloudy
Humidity
69%
Feels like
17°F
Dew Point
19°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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