Hourly Weather Forecast - Winthrop Harbor, IL

12 AM
20°F
40%
2mph
SSW
40% Chance Frozen Mix
Humidity
82%
Feels like
20°F
Dew Point
15°F
1 AM
20°F
40%
2mph
WSW
40% Chance Frozen Mix
Humidity
83%
Feels like
20°F
Dew Point
15°F
2 AM
20°F
30%
2mph
NW
30% Chance Frozen Mix
Humidity
83%
Feels like
20°F
Dew Point
16°F
3 AM
20°F
30%
2mph
NW
30% Chance Freezing Rain
Humidity
83%
Feels like
20°F
Dew Point
16°F
4 AM
20°F
30%
2mph
NW
30% Chance Freezing Rain
Humidity
84%
Feels like
20°F
Dew Point
16°F
5 AM
20°F
30%
3mph
NNW
30% Chance Freezing Rain
Humidity
86%
Feels like
20°F
Dew Point
16°F
6 AM
20°F
30%
3mph
NNW
30% Chance Freezing Rain
Humidity
87%
Feels like
15°F
Dew Point
17°F
7 AM
20°F
30%
4mph
NNW
30% Chance Freezing Rain
Humidity
87%
Feels like
15°F
Dew Point
17°F
7:11 AM
8 AM
22°F
10%
4mph
NNW
Cloudy
Humidity
83%
Feels like
16°F
Dew Point
18°F
9 AM
24°F
10%
5mph
NW
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
18°F
10 AM
25°F
10%
5mph
NW
Cloudy
Humidity
75%
Feels like
19°F
Dew Point
18°F
11 AM
27°F
10%
6mph
NW
Mostly Cloudy
Humidity
71%
Feels like
20°F
Dew Point
18°F
12 PM
28°F
10%
6mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
21°F
Dew Point
19°F
1 PM
28°F
10%
7mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
21°F
Dew Point
19°F
2 PM
28°F
10%
8mph
WNW
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
19°F
3 PM
27°F
10%
9mph
W
Cloudy
Humidity
71%
Feels like
18°F
Dew Point
19°F
4 PM
25°F
10%
9mph
W
Cloudy
Humidity
75%
Feels like
16°F
Dew Point
19°F
4:18 PM
5 PM
24°F
10%
10mph
W
Cloudy
Humidity
78%
Feels like
14°F
Dew Point
18°F
6 PM
23°F
10%
11mph
W
Mostly Cloudy
Humidity
79%
Feels like
12°F
Dew Point
17°F
7 PM
22°F
10%
11mph
W
Cloudy
Humidity
79%
Feels like
11°F
Dew Point
17°F
8 PM
21°F
10%
12mph
W
Cloudy
Humidity
79%
Feels like
9°F
Dew Point
15°F
9 PM
20°F
0%
13mph
W
Cloudy
Humidity
78%
Feels like
7°F
Dew Point
14°F
10 PM
18°F
0%
13mph
W
Cloudy
Humidity
79%
Feels like
4°F
Dew Point
13°F
11 PM
16°F
0%
13mph
W
Cloudy
Humidity
79%
Feels like
2°F
Dew Point
11°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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