Hourly Weather Forecast - Summit-Argo, IL

12 AM
42°F
20%
9mph
E
Partly Cloudy
Humidity
66%
Feels like
37°F
Dew Point
32°F
1 AM
41°F
20%
9mph
E
Mostly Cloudy
Humidity
68%
Feels like
35°F
Dew Point
31°F
2 AM
39°F
10%
9mph
ENE
Mostly Cloudy
Humidity
71%
Feels like
33°F
Dew Point
31°F
3 AM
38°F
10%
9mph
ENE
Cloudy
Humidity
75%
Feels like
32°F
Dew Point
31°F
4 AM
37°F
10%
8mph
ENE
Cloudy
Humidity
78%
Feels like
30°F
Dew Point
30°F
5 AM
36°F
10%
8mph
ENE
Cloudy
Humidity
81%
Feels like
29°F
Dew Point
30°F
6 AM
35°F
10%
8mph
ENE
Cloudy
Humidity
81%
Feels like
29°F
Dew Point
30°F
6:46 AM
7 AM
36°F
10%
8mph
ENE
Cloudy
Humidity
78%
Feels like
30°F
Dew Point
30°F
8 AM
38°F
10%
9mph
ENE
Cloudy
Humidity
72%
Feels like
32°F
Dew Point
30°F
9 AM
41°F
10%
10mph
ENE
Cloudy
Humidity
65%
Feels like
35°F
Dew Point
30°F
10 AM
43°F
10%
10mph
E
Cloudy
Humidity
59%
Feels like
37°F
Dew Point
29°F
11 AM
44°F
10%
11mph
E
Cloudy
Humidity
54%
Feels like
39°F
Dew Point
29°F
12 PM
45°F
10%
12mph
E
Cloudy
Humidity
51%
Feels like
39°F
Dew Point
28°F
1 PM
46°F
10%
12mph
E
Cloudy
Humidity
49%
Feels like
40°F
Dew Point
28°F
2 PM
47°F
10%
12mph
ESE
Mostly Cloudy
Humidity
48%
Feels like
41°F
Dew Point
28°F
3 PM
47°F
10%
11mph
ESE
Mostly Cloudy
Humidity
46%
Feels like
42°F
Dew Point
28°F
4 PM
47°F
10%
11mph
ESE
Partly Cloudy
Humidity
46%
Feels like
41°F
Dew Point
27°F
5 PM
46°F
10%
11mph
ESE
Mostly Cloudy
Humidity
48%
Feels like
40°F
Dew Point
27°F
6 PM
44°F
20%
11mph
ESE
Mostly Cloudy
Humidity
50%
Feels like
39°F
Dew Point
27°F
7 PM
45°F
20%
11mph
SE
Mostly Cloudy
Humidity
50%
Feels like
39°F
Dew Point
27°F
7:08 PM
8 PM
46°F
20%
11mph
SE
Mostly Cloudy
Humidity
53%
Feels like
40°F
Dew Point
30°F
9 PM
46°F
20%
11mph
SE
Cloudy
Humidity
55%
Feels like
41°F
Dew Point
31°F
10 PM
46°F
20%
11mph
SSE
Cloudy
Humidity
58%
Feels like
41°F
Dew Point
32°F
11 PM
46°F
30%
11mph
SSE
30% Chance of Light Rain
Humidity
61%
Feels like
41°F
Dew Point
33°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

Lightning Safety

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide