Hourly Weather Forecast - Sycamore, IL

12 AM
4°F
20%
6mph
WNW
Mostly Cloudy
Humidity
87%
Feels like
-7°F
Dew Point
1°F
1 AM
3°F
20%
5mph
WNW
Mostly Cloudy
Humidity
89%
Feels like
-8°F
Dew Point
0°F
2 AM
2°F
20%
5mph
NW
Mostly Cloudy
Humidity
90%
Feels like
-9°F
Dew Point
0°F
3 AM
1°F
20%
5mph
NW
Mostly Cloudy
Humidity
91%
Feels like
-10°F
Dew Point
-1°F
4 AM
0°F
10%
5mph
NW
Mostly Cloudy
Humidity
93%
Feels like
-10°F
Dew Point
-1°F
5 AM
0°F
10%
4mph
NW
Mostly Cloudy
Humidity
92%
Feels like
-10°F
Dew Point
-1°F
6 AM
1°F
10%
4mph
NW
Mostly Cloudy
Humidity
85%
Feels like
-8°F
Dew Point
-2°F
7 AM
3°F
10%
4mph
NW
Mostly Cloudy
Humidity
85%
Feels like
-6°F
Dew Point
-1°F
7:14 AM
8 AM
4°F
10%
4mph
NW
Mostly Cloudy
Humidity
83%
Feels like
-4°F
Dew Point
0°F
9 AM
5°F
10%
4mph
NW
Mostly Cloudy
Humidity
83%
Feels like
-3°F
Dew Point
1°F
10 AM
7°F
10%
4mph
NW
Mostly Cloudy
Humidity
82%
Feels like
-1°F
Dew Point
2°F
11 AM
8°F
10%
4mph
WNW
Mostly Cloudy
Humidity
82%
Feels like
1°F
Dew Point
4°F
12 PM
10°F
10%
4mph
WNW
Mostly Cloudy
Humidity
80%
Feels like
3°F
Dew Point
5°F
1 PM
11°F
10%
3mph
WNW
Mostly Cloudy
Humidity
78%
Feels like
5°F
Dew Point
5°F

Rainfall Forecast for Northwest through Thursday

Persistent, Flooding Rain Impacts the Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

Tuesday's Weather Outlook

Tuesday'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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