Hourly Weather Forecast - Sugar Grove, IL

12 AM
31°F
30%
9mph
NW
30 % Chance of Heavy Snow
Humidity
85%
Feels like
23°F
Dew Point
27°F
1 AM
29°F
30%
9mph
NW
30% Chance of Snow
Humidity
87%
Feels like
20°F
Dew Point
26°F
2 AM
27°F
30%
9mph
NW
30% Chance Snow Showers
Humidity
84%
Feels like
18°F
Dew Point
23°F
3 AM
26°F
10%
9mph
NNW
Partly Cloudy
Humidity
83%
Feels like
16°F
Dew Point
21°F
4 AM
24°F
10%
9mph
NNW
Partly Cloudy
Humidity
87%
Feels like
15°F
Dew Point
21°F
5 AM
23°F
10%
9mph
NNW
Mostly Cloudy
Humidity
86%
Feels like
14°F
Dew Point
20°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's 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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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