Hourly Weather Forecast - Winthrop Harbor, IL

12 AM
25°F
0%
12mph
S
Mostly Cloudy
Humidity
58%
Feels like
14°F
Dew Point
12°F
1 AM
26°F
0%
13mph
S
Cloudy
Humidity
57%
Feels like
15°F
Dew Point
13°F
2 AM
27°F
0%
14mph
S
Cloudy
Humidity
57%
Feels like
16°F
Dew Point
14°F
3 AM
28°F
0%
14mph
S
Cloudy
Humidity
58%
Feels like
17°F
Dew Point
15°F
4 AM
29°F
0%
14mph
S
Cloudy
Humidity
59%
Feels like
18°F
Dew Point
17°F
5 AM
29°F
0%
14mph
SSW
Cloudy
Humidity
61%
Feels like
19°F
Dew Point
18°F
6 AM
30°F
0%
14mph
SSW
Cloudy
Humidity
62%
Feels like
20°F
Dew Point
19°F
7 AM
32°F
0%
14mph
SSW
Cloudy
Humidity
62%
Feels like
22°F
Dew Point
21°F
7:16 AM
8 AM
35°F
0%
14mph
SSW
Cloudy
Humidity
61%
Feels like
25°F
Dew Point
22°F
9 AM
37°F
30%
13mph
SW
30% Chance of Light Rain
Humidity
60%
Feels like
28°F
Dew Point
24°F
10 AM
38°F
30%
13mph
SW
30% Chance of Light Rain
Humidity
60%
Feels like
30°F
Dew Point
25°F
11 AM
39°F
30%
12mph
WSW
30% Chance of Light Rain
Humidity
61%
Feels like
31°F
Dew Point
27°F
12 PM
40°F
30%
12mph
WSW
30% Chance of Light Rain
Humidity
62%
Feels like
32°F
Dew Point
28°F
1 PM
39°F
30%
11mph
W
30% Chance of Light Rain
Humidity
62%
Feels like
32°F
Dew Point
28°F
2 PM
39°F
30%
11mph
W
30% Chance of Flurries
Humidity
64%
Feels like
32°F
Dew Point
28°F
3 PM
37°F
30%
11mph
WNW
30% Chance of Flurries
Humidity
66%
Feels like
30°F
Dew Point
27°F
4 PM
35°F
30%
11mph
WNW
30% Chance Snow Showers
Humidity
66%
Feels like
27°F
Dew Point
25°F
4:20 PM
5 PM
34°F
0%
12mph
W
Partly Cloudy
Humidity
64%
Feels like
25°F
Dew Point
23°F
6 PM
33°F
0%
12mph
W
Clear
Humidity
61%
Feels like
24°F
Dew Point
21°F
7 PM
33°F
0%
13mph
W
Clear
Humidity
58%
Feels like
23°F
Dew Point
19°F
8 PM
32°F
0%
15mph
W
Clear
Humidity
57%
Feels like
22°F
Dew Point
19°F
9 PM
32°F
0%
16mph
W
Clear
Humidity
56%
Feels like
21°F
Dew Point
18°F
10 PM
30°F
0%
17mph
W
Clear
Humidity
57%
Feels like
18°F
Dew Point
17°F
11 PM
27°F
0%
17mph
W
Mostly Clear
Humidity
58%
Feels like
15°F
Dew Point
14°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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