Hourly Weather Forecast - Janesville, IL

10 AM
52°F
70%
22mph
S
70% Chance of Light Rain
Humidity
84%
Feels like
52°F
Dew Point
47°F
11 AM
53°F
70%
23mph
S
70% Chance of Light Rain
Humidity
83%
Feels like
53°F
Dew Point
48°F
12 PM
53°F
70%
23mph
S
70% Chance of Light Rain
Humidity
82%
Feels like
53°F
Dew Point
48°F
1 PM
52°F
100%
22mph
SSW
Light Rain
Humidity
85%
Feels like
52°F
Dew Point
48°F
2 PM
50°F
100%
20mph
SW
Rain
Humidity
90%
Feels like
43°F
Dew Point
47°F
3 PM
47°F
90%
19mph
W
Rain
Humidity
85%
Feels like
40°F
Dew Point
43°F
4 PM
45°F
40%
17mph
W
40% Chance of Rain
Humidity
82%
Feels like
38°F
Dew Point
40°F
4:31 PM
5 PM
42°F
30%
13mph
W
30% Chance of Rain
Humidity
80%
Feels like
35°F
Dew Point
37°F
6 PM
40°F
30%
11mph
WSW
30% Chance of Rain
Humidity
77%
Feels like
33°F
Dew Point
33°F
7 PM
38°F
30%
13mph
W
30% Chance of Rain
Humidity
76%
Feels like
30°F
Dew Point
31°F
8 PM
35°F
30%
17mph
W
30% Chance Rain Showers
Humidity
73%
Feels like
25°F
Dew Point
27°F
9 PM
32°F
30%
19mph
WNW
30 % Chance of Heavy Snow
Humidity
64%
Feels like
21°F
Dew Point
22°F
10 PM
30°F
30%
20mph
WNW
30% Chance Frozen Mix
Humidity
61%
Feels like
17°F
Dew Point
18°F
11 PM
28°F
30%
21mph
WNW
30% Chance Snow Showers
Humidity
60%
Feels like
14°F
Dew Point
15°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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