Hourly Weather Forecast - Illiopolis, IL

12 AM
42°F
10%
16mph
N
Partly Cloudy
Humidity
69%
Feels like
35°F
Dew Point
33°F
1 AM
41°F
10%
15mph
N
Partly Cloudy
Humidity
69%
Feels like
33°F
Dew Point
31°F
2 AM
39°F
10%
14mph
N
Mostly Clear
Humidity
71%
Feels like
31°F
Dew Point
30°F
3 AM
38°F
10%
13mph
N
Clear
Humidity
73%
Feels like
29°F
Dew Point
29°F
4 AM
36°F
0%
13mph
N
Clear
Humidity
74%
Feels like
28°F
Dew Point
29°F
5 AM
35°F
0%
12mph
N
Clear
Humidity
76%
Feels like
27°F
Dew Point
28°F
6 AM
34°F
0%
11mph
N
Mostly Clear
Humidity
77%
Feels like
26°F
Dew Point
28°F
6:56 AM
7 AM
34°F
0%
10mph
N
Mostly Sunny
Humidity
77%
Feels like
26°F
Dew Point
27°F
8 AM
35°F
0%
10mph
N
Mostly Sunny
Humidity
72%
Feels like
27°F
Dew Point
27°F
9 AM
37°F
0%
11mph
NNE
Mostly Sunny
Humidity
66%
Feels like
30°F
Dew Point
27°F
10 AM
40°F
0%
11mph
NNE
Mostly Sunny
Humidity
60%
Feels like
33°F
Dew Point
27°F
11 AM
42°F
0%
11mph
NNE
Mostly Sunny
Humidity
55%
Feels like
36°F
Dew Point
28°F
12 PM
46°F
0%
11mph
NNE
Mostly Sunny
Humidity
50%
Feels like
40°F
Dew Point
28°F
1 PM
48°F
0%
10mph
NNE
Mostly Sunny
Humidity
46%
Feels like
43°F
Dew Point
28°F
2 PM
50°F
0%
10mph
NNE
Mostly Sunny
Humidity
43%
Feels like
46°F
Dew Point
28°F
3 PM
51°F
0%
9mph
N
Mostly Sunny
Humidity
41%
Feels like
51°F
Dew Point
28°F
4 PM
52°F
0%
8mph
N
Partly Cloudy
Humidity
40%
Feels like
52°F
Dew Point
28°F
5 PM
51°F
0%
6mph
NNE
Partly Cloudy
Humidity
41%
Feels like
51°F
Dew Point
28°F
6 PM
50°F
0%
5mph
NNE
Partly Cloudy
Humidity
43%
Feels like
50°F
Dew Point
28°F
7 PM
48°F
0%
4mph
NE
Partly Cloudy
Humidity
45%
Feels like
47°F
Dew Point
28°F
7:11 PM
8 PM
46°F
0%
4mph
ENE
Partly Cloudy
Humidity
49%
Feels like
44°F
Dew Point
28°F
9 PM
44°F
0%
5mph
E
Mostly Cloudy
Humidity
54%
Feels like
41°F
Dew Point
29°F
10 PM
42°F
0%
6mph
E
Mostly Cloudy
Humidity
57%
Feels like
39°F
Dew Point
29°F
11 PM
41°F
0%
6mph
E
Mostly Cloudy
Humidity
59%
Feels like
37°F
Dew Point
28°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

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

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

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

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

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

When Does Spring Begin?

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