Hourly Weather Forecast - Sycamore, IL

10 AM
32°F
0%
2mph
WNW
Mostly Cloudy
Humidity
95%
Feels like
32°F
Dew Point
31°F
11 AM
31°F
0%
3mph
NW
Mostly Cloudy
Humidity
92%
Feels like
31°F
Dew Point
29°F
12 PM
31°F
0%
2mph
NW
Mostly Cloudy
Humidity
90%
Feels like
31°F
Dew Point
29°F
1 PM
30°F
0%
2mph
NNW
Mostly Cloudy
Humidity
91%
Feels like
30°F
Dew Point
28°F
2 PM
29°F
10%
1mph
N
Mostly Cloudy
Humidity
93%
Feels like
29°F
Dew Point
28°F
3 PM
28°F
10%
1mph
NE
Cloudy
Humidity
94%
Feels like
28°F
Dew Point
27°F
4 PM
27°F
10%
1mph
ENE
Cloudy
Humidity
96%
Feels like
27°F
Dew Point
26°F
4:23 PM
5 PM
27°F
10%
1mph
E
Cloudy
Humidity
96%
Feels like
27°F
Dew Point
26°F
6 PM
27°F
10%
1mph
E
Cloudy
Humidity
97%
Feels like
27°F
Dew Point
26°F
7 PM
27°F
10%
1mph
E
Cloudy
Humidity
96%
Feels like
27°F
Dew Point
26°F
8 PM
26°F
10%
1mph
ESE
Cloudy
Humidity
96%
Feels like
26°F
Dew Point
25°F
9 PM
25°F
30%
2mph
ESE
30% Chance Frozen Mix
Humidity
95%
Feels like
25°F
Dew Point
24°F
10 PM
25°F
50%
2mph
ESE
50% Chance of Snow
Humidity
95%
Feels like
25°F
Dew Point
24°F
11 PM
25°F
60%
2mph
ESE
60% Chance of Heavy Snow
Humidity
96%
Feels like
25°F
Dew Point
24°F

Snowfall Forecast Through Tonight

Two Winter Storms Deliver Accumulating Northern U.S. Snow

A plowable snow will occur from parts of the Pacific Northwest to the Upper Midwest for the start of the weekend.

Weekend Weather Outlook

Weekend 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)

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Image courtesy of PeakPX.

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