Hourly Weather Forecast - Westchester, IL

12 AM
20°F
10%
12mph
WNW
Mostly Clear
Humidity
65%
Feels like
8°F
Dew Point
10°F
1 AM
19°F
10%
11mph
WNW
Clear
Humidity
63%
Feels like
6°F
Dew Point
8°F
2 AM
18°F
10%
10mph
WNW
Clear
Humidity
61%
Feels like
6°F
Dew Point
6°F
3 AM
17°F
0%
10mph
WNW
Clear
Humidity
60%
Feels like
5°F
Dew Point
5°F
4 AM
16°F
0%
9mph
WNW
Clear
Humidity
59%
Feels like
4°F
Dew Point
4°F
5 AM
15°F
0%
8mph
WNW
Clear
Humidity
59%
Feels like
4°F
Dew Point
4°F
6 AM
15°F
0%
7mph
WNW
Clear
Humidity
60%
Feels like
5°F
Dew Point
3°F
7 AM
15°F
0%
7mph
WNW
Clear
Humidity
58%
Feels like
6°F
Dew Point
3°F
7:14 AM
8 AM
16°F
0%
6mph
WNW
Sunny
Humidity
57%
Feels like
8°F
Dew Point
3°F
9 AM
17°F
0%
6mph
WNW
Sunny
Humidity
54%
Feels like
9°F
Dew Point
4°F
10 AM
19°F
0%
5mph
W
Sunny
Humidity
52%
Feels like
12°F
Dew Point
4°F
11 AM
20°F
0%
4mph
W
Sunny
Humidity
49%
Feels like
14°F
Dew Point
4°F
12 PM
21°F
0%
4mph
WSW
Sunny
Humidity
48%
Feels like
16°F
Dew Point
4°F
1 PM
22°F
0%
3mph
SW
Sunny
Humidity
46%
Feels like
17°F
Dew Point
5°F
2 PM
23°F
0%
3mph
SSW
Sunny
Humidity
45%
Feels like
19°F
Dew Point
5°F
3 PM
23°F
10%
3mph
SSW
Sunny
Humidity
45%
Feels like
19°F
Dew Point
5°F
4 PM
23°F
10%
3mph
S
Mostly Sunny
Humidity
47%
Feels like
19°F
Dew Point
6°F
4:22 PM
5 PM
23°F
10%
4mph
S
Partly Cloudy
Humidity
49%
Feels like
19°F
Dew Point
7°F
6 PM
23°F
10%
4mph
S
Partly Cloudy
Humidity
53%
Feels like
17°F
Dew Point
8°F
7 PM
22°F
10%
4mph
S
Partly Cloudy
Humidity
58%
Feels like
16°F
Dew Point
10°F
8 PM
22°F
10%
5mph
S
Partly Cloudy
Humidity
62%
Feels like
15°F
Dew Point
11°F
9 PM
22°F
10%
6mph
S
Partly Cloudy
Humidity
63%
Feels like
14°F
Dew Point
11°F
10 PM
22°F
10%
6mph
S
Partly Cloudy
Humidity
64%
Feels like
14°F
Dew Point
12°F
11 PM
23°F
10%
6mph
S
Mostly Cloudy
Humidity
63%
Feels like
15°F
Dew Point
12°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

Sunday Weather Outlook

Today'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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