Hourly Weather Forecast - Algonquin, IL

12 AM
37°F
10%
9mph
WSW
Cloudy
Humidity
90%
Feels like
31°F
Dew Point
35°F
1 AM
37°F
10%
9mph
WSW
Cloudy
Humidity
89%
Feels like
31°F
Dew Point
35°F
2 AM
37°F
10%
8mph
WSW
Cloudy
Humidity
88%
Feels like
31°F
Dew Point
34°F
3 AM
37°F
0%
8mph
W
Cloudy
Humidity
88%
Feels like
31°F
Dew Point
34°F
4 AM
36°F
0%
7mph
W
Mostly Cloudy
Humidity
88%
Feels like
30°F
Dew Point
33°F
5 AM
35°F
0%
6mph
W
Partly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
31°F
6 AM
34°F
0%
6mph
W
Partly Cloudy
Humidity
85%
Feels like
29°F
Dew Point
30°F
7 AM
33°F
10%
5mph
WNW
Mostly Clear
Humidity
83%
Feels like
29°F
Dew Point
28°F
7:16 AM
8 AM
33°F
10%
4mph
W
Mostly Sunny
Humidity
81%
Feels like
29°F
Dew Point
28°F
9 AM
33°F
10%
3mph
W
Mostly Sunny
Humidity
79%
Feels like
31°F
Dew Point
28°F
10 AM
34°F
0%
2mph
WNW
Mostly Sunny
Humidity
77%
Feels like
34°F
Dew Point
28°F
11 AM
35°F
0%
2mph
WNW
Sunny
Humidity
74%
Feels like
35°F
Dew Point
27°F
12 PM
35°F
0%
2mph
WNW
Sunny
Humidity
72%
Feels like
35°F
Dew Point
27°F
1 PM
35°F
0%
2mph
WSW
Mostly Sunny
Humidity
72%
Feels like
35°F
Dew Point
27°F
2 PM
34°F
0%
2mph
SSW
Partly Cloudy
Humidity
73%
Feels like
34°F
Dew Point
27°F
3 PM
34°F
0%
2mph
S
Partly Cloudy
Humidity
75%
Feels like
34°F
Dew Point
27°F
4 PM
33°F
0%
3mph
SSE
Partly Cloudy
Humidity
77%
Feels like
33°F
Dew Point
27°F
4:22 PM
5 PM
33°F
0%
4mph
SSE
Partly Cloudy
Humidity
80%
Feels like
29°F
Dew Point
27°F
6 PM
32°F
10%
5mph
SE
Partly Cloudy
Humidity
84%
Feels like
27°F
Dew Point
28°F
7 PM
32°F
10%
7mph
SSE
Partly Cloudy
Humidity
87%
Feels like
26°F
Dew Point
29°F
8 PM
32°F
10%
8mph
SSE
Partly Cloudy
Humidity
87%
Feels like
25°F
Dew Point
29°F
9 PM
33°F
10%
9mph
SSE
Mostly Cloudy
Humidity
87%
Feels like
25°F
Dew Point
29°F
10 PM
34°F
10%
9mph
SSE
Mostly Cloudy
Humidity
88%
Feels like
26°F
Dew Point
30°F
11 PM
35°F
10%
10mph
SSE
Cloudy
Humidity
89%
Feels like
27°F
Dew Point
32°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend 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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