Hourly Weather Forecast - Janesville, IL

3 PM
2°F
0%
8mph
NW
Partly Cloudy
Humidity
61%
Feels like
-11°F
Dew Point
-8°F
4 PM
1°F
0%
7mph
NW
Partly Cloudy
Humidity
64%
Feels like
-12°F
Dew Point
-8°F
4:30 PM
5 PM
-1°F
0%
6mph
NW
Very Cold
Humidity
67%
Feels like
-13°F
Dew Point
-9°F
6 PM
-2°F
0%
5mph
WNW
Very Cold
Humidity
71%
Feels like
-14°F
Dew Point
-9°F
7 PM
-4°F
0%
4mph
WNW
Very Cold
Humidity
73%
Feels like
-14°F
Dew Point
-10°F
8 PM
-5°F
0%
4mph
WNW
Very Cold
Humidity
75%
Feels like
-14°F
Dew Point
-10°F
9 PM
-5°F
0%
3mph
W
Very Cold
Humidity
77%
Feels like
-13°F
Dew Point
-11°F
10 PM
-5°F
0%
4mph
SSW
Very Cold
Humidity
77%
Feels like
-14°F
Dew Point
-10°F
11 PM
-4°F
0%
4mph
S
Very Cold
Humidity
76%
Feels like
-15°F
Dew Point
-10°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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