Hourly Weather Forecast - Algonquin, IL

12 AM
23°F
10%
2mph
SSE
Cloudy
Humidity
68%
Feels like
23°F
Dew Point
14°F
1 AM
23°F
10%
2mph
SSE
Cloudy
Humidity
70%
Feels like
23°F
Dew Point
15°F
2 AM
24°F
10%
2mph
SSE
Mostly Cloudy
Humidity
72%
Feels like
24°F
Dew Point
16°F
3 AM
24°F
10%
2mph
SE
Mostly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
17°F
4 AM
25°F
10%
2mph
SE
Cloudy
Humidity
76%
Feels like
25°F
Dew Point
18°F
5 AM
24°F
10%
2mph
SE
Cloudy
Humidity
78%
Feels like
24°F
Dew Point
19°F
6 AM
24°F
10%
2mph
SE
Cloudy
Humidity
80%
Feels like
24°F
Dew Point
19°F
7 AM
24°F
10%
2mph
SE
Cloudy
Humidity
80%
Feels like
24°F
Dew Point
19°F
7:18 AM
8 AM
24°F
10%
2mph
SE
Mostly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
19°F
9 AM
26°F
10%
3mph
SE
Mostly Cloudy
Humidity
75%
Feels like
26°F
Dew Point
19°F
10 AM
27°F
10%
3mph
SE
Mostly Cloudy
Humidity
72%
Feels like
23°F
Dew Point
19°F
11 AM
29°F
10%
4mph
SE
Mostly Cloudy
Humidity
69%
Feels like
25°F
Dew Point
20°F
12 PM
30°F
10%
4mph
SSE
Mostly Cloudy
Humidity
66%
Feels like
26°F
Dew Point
20°F
1 PM
31°F
10%
4mph
SSE
Mostly Cloudy
Humidity
63%
Feels like
27°F
Dew Point
20°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday'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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