Hourly Weather Forecast - Sleepy Hollow, IL

12 AM
25°F
10%
7mph
S
Cloudy
Humidity
66%
Feels like
17°F
Dew Point
15°F
1 AM
26°F
10%
8mph
S
Cloudy
Humidity
67%
Feels like
17°F
Dew Point
16°F
2 AM
27°F
10%
8mph
S
Cloudy
Humidity
67%
Feels like
18°F
Dew Point
17°F
3 AM
27°F
10%
8mph
S
Cloudy
Humidity
67%
Feels like
19°F
Dew Point
18°F
4 AM
28°F
0%
9mph
S
Cloudy
Humidity
67%
Feels like
20°F
Dew Point
19°F
5 AM
28°F
0%
9mph
S
Cloudy
Humidity
70%
Feels like
20°F
Dew Point
20°F
6 AM
28°F
0%
9mph
S
Cloudy
Humidity
74%
Feels like
19°F
Dew Point
20°F
7 AM
28°F
0%
8mph
S
Mostly Cloudy
Humidity
76%
Feels like
20°F
Dew Point
21°F
7:17 AM
8 AM
30°F
0%
8mph
S
Partly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
22°F
9 AM
33°F
10%
8mph
SSW
Partly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
23°F
10 AM
35°F
10%
8mph
SSW
Partly Cloudy
Humidity
66%
Feels like
28°F
Dew Point
24°F
11 AM
36°F
10%
8mph
SSW
Partly Cloudy
Humidity
65%
Feels like
30°F
Dew Point
26°F
12 PM
37°F
10%
8mph
SSW
Partly Cloudy
Humidity
64%
Feels like
31°F
Dew Point
27°F
1 PM
38°F
10%
8mph
SW
Partly Cloudy
Humidity
65%
Feels like
33°F
Dew Point
28°F
2 PM
39°F
10%
7mph
SW
Partly Cloudy
Humidity
66%
Feels like
34°F
Dew Point
29°F
3 PM
39°F
10%
6mph
SW
Partly Cloudy
Humidity
69%
Feels like
34°F
Dew Point
29°F
4 PM
38°F
10%
5mph
SW
Mostly Sunny
Humidity
74%
Feels like
34°F
Dew Point
30°F
4:24 PM
5 PM
37°F
10%
5mph
SW
Mostly Clear
Humidity
79%
Feels like
33°F
Dew Point
31°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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