Hourly Weather Forecast - Waterloo, IL

12 AM
30°F
0%
5mph
SSW
Partly Cloudy
Humidity
55%
Feels like
25°F
Dew Point
16°F
1 AM
29°F
0%
5mph
SSW
Partly Cloudy
Humidity
58%
Feels like
24°F
Dew Point
16°F
2 AM
28°F
0%
5mph
SSW
Partly Cloudy
Humidity
62%
Feels like
23°F
Dew Point
17°F
3 AM
28°F
0%
5mph
SSW
Mostly Clear
Humidity
65%
Feels like
22°F
Dew Point
18°F
4 AM
27°F
0%
6mph
SSW
Mostly Clear
Humidity
68%
Feels like
21°F
Dew Point
18°F
5 AM
26°F
0%
5mph
SSW
Mostly Clear
Humidity
74%
Feels like
20°F
Dew Point
19°F
6 AM
26°F
0%
6mph
SSW
Mostly Clear
Humidity
81%
Feels like
20°F
Dew Point
21°F
7 AM
27°F
0%
6mph
SSW
Mostly Clear
Humidity
81%
Feels like
20°F
Dew Point
22°F
7:10 AM
8 AM
30°F
0%
6mph
SSW
Mostly Sunny
Humidity
76%
Feels like
24°F
Dew Point
24°F
9 AM
35°F
0%
7mph
SSW
Mostly Sunny
Humidity
69%
Feels like
28°F
Dew Point
25°F
10 AM
39°F
0%
8mph
SSW
Mostly Sunny
Humidity
65%
Feels like
33°F
Dew Point
28°F
11 AM
42°F
0%
9mph
SSW
Sunny
Humidity
59%
Feels like
37°F
Dew Point
29°F
12 PM
45°F
0%
9mph
SSW
Sunny
Humidity
57%
Feels like
40°F
Dew Point
31°F
1 PM
47°F
0%
9mph
SSW
Sunny
Humidity
57%
Feels like
42°F
Dew Point
32°F
2 PM
47°F
0%
10mph
S
Mostly Sunny
Humidity
58%
Feels like
43°F
Dew Point
34°F
3 PM
46°F
0%
10mph
S
Partly Cloudy
Humidity
63%
Feels like
41°F
Dew Point
34°F
4 PM
43°F
0%
10mph
S
Partly Cloudy
Humidity
67%
Feels like
38°F
Dew Point
33°F
4:41 PM
5 PM
40°F
0%
10mph
S
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
32°F
6 PM
38°F
0%
9mph
S
Mostly Clear
Humidity
72%
Feels like
32°F
Dew Point
30°F
7 PM
37°F
0%
9mph
S
Mostly Clear
Humidity
74%
Feels like
30°F
Dew Point
29°F
8 PM
36°F
0%
8mph
SSW
Partly Cloudy
Humidity
74%
Feels like
30°F
Dew Point
28°F
9 PM
35°F
0%
7mph
SSW
Partly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
28°F
10 PM
35°F
0%
7mph
SSW
Partly Cloudy
Humidity
75%
Feels like
30°F
Dew Point
28°F
11 PM
36°F
0%
6mph
SW
Mostly Cloudy
Humidity
77%
Feels like
30°F
Dew Point
29°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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