Hourly Weather Forecast - Summit-Argo, IL

12 AM
27°F
0%
13mph
S
Partly Cloudy
Humidity
59%
Feels like
15°F
Dew Point
14°F
1 AM
27°F
0%
15mph
S
Partly Cloudy
Humidity
58%
Feels like
16°F
Dew Point
15°F
2 AM
28°F
0%
16mph
S
Partly Cloudy
Humidity
58%
Feels like
16°F
Dew Point
15°F
3 AM
29°F
0%
17mph
S
Partly Cloudy
Humidity
58%
Feels like
17°F
Dew Point
16°F
4 AM
30°F
0%
17mph
S
Partly Cloudy
Humidity
60%
Feels like
18°F
Dew Point
18°F
5 AM
31°F
0%
18mph
S
Partly Cloudy
Humidity
62%
Feels like
19°F
Dew Point
19°F
6 AM
32°F
0%
18mph
S
Partly Cloudy
Humidity
64%
Feels like
20°F
Dew Point
21°F
7 AM
33°F
0%
18mph
SSW
Partly Cloudy
Humidity
65%
Feels like
22°F
Dew Point
22°F
7:14 AM
8 AM
35°F
0%
18mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
24°F
Dew Point
24°F
9 AM
37°F
0%
17mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
27°F
Dew Point
26°F
10 AM
38°F
0%
17mph
SSW
Cloudy
Humidity
64%
Feels like
29°F
Dew Point
27°F
11 AM
39°F
0%
16mph
SSW
Cloudy
Humidity
62%
Feels like
31°F
Dew Point
27°F
12 PM
40°F
0%
15mph
SW
Cloudy
Humidity
63%
Feels like
32°F
Dew Point
28°F
1 PM
40°F
10%
14mph
WSW
Cloudy
Humidity
63%
Feels like
32°F
Dew Point
28°F
2 PM
39°F
10%
13mph
WSW
Mostly Cloudy
Humidity
66%
Feels like
32°F
Dew Point
29°F
3 PM
39°F
10%
12mph
W
Partly Cloudy
Humidity
68%
Feels like
31°F
Dew Point
29°F
4 PM
38°F
10%
11mph
W
Partly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
29°F
4:23 PM
5 PM
37°F
10%
11mph
WNW
Partly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
28°F
6 PM
36°F
10%
12mph
WNW
Partly Cloudy
Humidity
72%
Feels like
28°F
Dew Point
28°F
7 PM
35°F
10%
13mph
WNW
Mostly Clear
Humidity
67%
Feels like
26°F
Dew Point
25°F
8 PM
33°F
10%
14mph
WNW
Clear
Humidity
62%
Feels like
23°F
Dew Point
21°F
9 PM
31°F
0%
15mph
WNW
Clear
Humidity
58%
Feels like
21°F
Dew Point
18°F
10 PM
30°F
0%
16mph
WNW
Clear
Humidity
55%
Feels like
19°F
Dew Point
16°F
11 PM
29°F
0%
16mph
W
Clear
Humidity
56%
Feels like
17°F
Dew Point
15°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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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