Hourly Weather Forecast - Janesville, WI

12 AM
15°F
0%
20mph
W
Partly Cloudy
Humidity
63%
Feels like
-2°F
Dew Point
5°F
1 AM
14°F
10%
20mph
WNW
Partly Cloudy
Humidity
63%
Feels like
-3°F
Dew Point
4°F
2 AM
14°F
10%
20mph
WNW
Partly Cloudy
Humidity
63%
Feels like
-4°F
Dew Point
4°F
3 AM
13°F
10%
20mph
WNW
Partly Cloudy
Humidity
64%
Feels like
-5°F
Dew Point
3°F
4 AM
12°F
0%
19mph
WNW
Partly Cloudy
Humidity
65%
Feels like
-6°F
Dew Point
3°F
5 AM
12°F
0%
18mph
WNW
Partly Cloudy
Humidity
65%
Feels like
-6°F
Dew Point
2°F
6 AM
11°F
0%
17mph
WNW
Partly Cloudy
Humidity
63%
Feels like
-6°F
Dew Point
1°F
7 AM
12°F
0%
16mph
WNW
Partly Cloudy
Humidity
61%
Feels like
-5°F
Dew Point
1°F
7:21 AM
8 AM
12°F
0%
15mph
WNW
Mostly Sunny
Humidity
60%
Feels like
-4°F
Dew Point
1°F
9 AM
13°F
0%
14mph
WNW
Sunny
Humidity
57%
Feels like
-2°F
Dew Point
1°F
10 AM
15°F
0%
13mph
WNW
Mostly Sunny
Humidity
55%
Feels like
1°F
Dew Point
1°F
11 AM
16°F
0%
11mph
WNW
Partly Cloudy
Humidity
54%
Feels like
3°F
Dew Point
2°F
12 PM
17°F
0%
10mph
WNW
Partly Cloudy
Humidity
52%
Feels like
5°F
Dew Point
3°F
1 PM
18°F
0%
9mph
W
Partly Cloudy
Humidity
52%
Feels like
7°F
Dew Point
3°F
2 PM
19°F
0%
8mph
WSW
Mostly Cloudy
Humidity
52%
Feels like
9°F
Dew Point
4°F
3 PM
19°F
0%
7mph
WSW
Mostly Cloudy
Humidity
53%
Feels like
10°F
Dew Point
5°F
4 PM
20°F
0%
7mph
SW
Mostly Cloudy
Humidity
53%
Feels like
11°F
Dew Point
5°F
4:24 PM
5 PM
20°F
0%
7mph
SSW
Mostly Cloudy
Humidity
54%
Feels like
11°F
Dew Point
6°F
6 PM
21°F
0%
8mph
S
Mostly Cloudy
Humidity
54%
Feels like
11°F
Dew Point
7°F
7 PM
21°F
0%
9mph
S
Mostly Cloudy
Humidity
54%
Feels like
11°F
Dew Point
8°F
8 PM
22°F
0%
10mph
SSE
Mostly Cloudy
Humidity
55%
Feels like
11°F
Dew Point
8°F
9 PM
22°F
0%
11mph
SSE
Partly Cloudy
Humidity
56%
Feels like
11°F
Dew Point
9°F
10 PM
23°F
0%
12mph
SSE
Partly Cloudy
Humidity
57%
Feels like
11°F
Dew Point
10°F
11 PM
24°F
0%
13mph
SSE
Partly Cloudy
Humidity
58%
Feels like
12°F
Dew Point
11°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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