Hourly Weather Forecast - Algonquin, IL

12 AM
28°F
10%
8mph
WNW
Partly Cloudy
Humidity
65%
Feels like
20°F
Dew Point
17°F
1 AM
26°F
10%
7mph
WNW
Partly Cloudy
Humidity
64%
Feels like
17°F
Dew Point
15°F
2 AM
24°F
0%
7mph
WNW
Mostly Clear
Humidity
65%
Feels like
15°F
Dew Point
14°F
3 AM
22°F
0%
7mph
NW
Partly Cloudy
Humidity
67%
Feels like
13°F
Dew Point
12°F
4 AM
20°F
0%
6mph
NW
Partly Cloudy
Humidity
67%
Feels like
12°F
Dew Point
11°F
5 AM
19°F
0%
5mph
NW
Partly Cloudy
Humidity
66%
Feels like
12°F
Dew Point
10°F
6 AM
19°F
0%
4mph
NW
Partly Cloudy
Humidity
65%
Feels like
12°F
Dew Point
9°F
7 AM
19°F
10%
4mph
NW
Partly Cloudy
Humidity
62%
Feels like
12°F
Dew Point
8°F
7:18 AM
8 AM
19°F
10%
4mph
NW
Mostly Cloudy
Humidity
59%
Feels like
13°F
Dew Point
7°F
9 AM
20°F
10%
4mph
NW
Cloudy
Humidity
55%
Feels like
14°F
Dew Point
7°F
10 AM
22°F
10%
4mph
NW
Cloudy
Humidity
51%
Feels like
16°F
Dew Point
7°F
11 AM
23°F
10%
4mph
NW
Cloudy
Humidity
47%
Feels like
18°F
Dew Point
6°F
12 PM
24°F
10%
4mph
NW
Cloudy
Humidity
46%
Feels like
20°F
Dew Point
7°F
1 PM
25°F
10%
3mph
NW
Mostly Cloudy
Humidity
45%
Feels like
21°F
Dew Point
7°F
2 PM
25°F
30%
2mph
NW
30% Chance of Heavy Snow
Humidity
45%
Feels like
25°F
Dew Point
7°F
3 PM
25°F
30%
2mph
NW
30% Chance of Heavy Snow
Humidity
47%
Feels like
25°F
Dew Point
8°F
4 PM
25°F
30%
2mph
NW
30% Chance of Heavy Snow
Humidity
51%
Feels like
25°F
Dew Point
9°F
4:24 PM
5 PM
25°F
10%
1mph
NNW
Mostly Cloudy
Humidity
56%
Feels like
25°F
Dew Point
11°F
6 PM
25°F
10%
1mph
NNW
Mostly Cloudy
Humidity
65%
Feels like
25°F
Dew Point
15°F
7 PM
26°F
10%
2mph
N
Partly Cloudy
Humidity
77%
Feels like
26°F
Dew Point
20°F
8 PM
26°F
10%
2mph
N
Mostly Cloudy
Humidity
75%
Feels like
26°F
Dew Point
19°F
9 PM
26°F
10%
2mph
N
Cloudy
Humidity
74%
Feels like
26°F
Dew Point
19°F
10 PM
25°F
10%
2mph
N
Cloudy
Humidity
75%
Feels like
25°F
Dew Point
18°F
11 PM
25°F
10%
2mph
N
Cloudy
Humidity
76%
Feels like
25°F
Dew Point
18°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.

Tuesday's Weather Outlook

Tuesday'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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