Hourly Weather Forecast - Illiopolis, IL

12 AM
57°F
0%
6mph
ENE
Mostly Cloudy
Humidity
74%
Feels like
57°F
Dew Point
49°F
1 AM
55°F
0%
7mph
ENE
Mostly Cloudy
Humidity
77%
Feels like
55°F
Dew Point
48°F
2 AM
53°F
0%
7mph
E
Partly Cloudy
Humidity
80%
Feels like
53°F
Dew Point
47°F
3 AM
51°F
0%
6mph
E
Partly Cloudy
Humidity
83%
Feels like
51°F
Dew Point
46°F
4 AM
50°F
0%
6mph
E
Partly Cloudy
Humidity
85%
Feels like
47°F
Dew Point
45°F
5 AM
48°F
0%
6mph
ESE
Mostly Clear
Humidity
87%
Feels like
46°F
Dew Point
45°F
6 AM
47°F
0%
6mph
ESE
Partly Cloudy
Humidity
88%
Feels like
45°F
Dew Point
44°F
6:59 AM
7 AM
48°F
0%
6mph
ESE
Partly Cloudy
Humidity
87%
Feels like
45°F
Dew Point
44°F
8 AM
50°F
0%
6mph
ESE
Sunny
Humidity
80%
Feels like
50°F
Dew Point
45°F
9 AM
55°F
0%
6mph
SE
Sunny
Humidity
71%
Feels like
55°F
Dew Point
46°F
10 AM
59°F
0%
7mph
SE
Sunny
Humidity
62%
Feels like
59°F
Dew Point
46°F
11 AM
65°F
0%
7mph
SSE
Sunny
Humidity
55%
Feels like
65°F
Dew Point
48°F
12 PM
70°F
0%
8mph
S
Sunny
Humidity
48%
Feels like
70°F
Dew Point
49°F
1 PM
74°F
0%
9mph
SSW
Sunny
Humidity
43%
Feels like
74°F
Dew Point
50°F
2 PM
78°F
0%
9mph
SSW
Sunny
Humidity
39%
Feels like
78°F
Dew Point
51°F
3 PM
80°F
0%
10mph
SSW
Sunny
Humidity
37%
Feels like
80°F
Dew Point
51°F
4 PM
80°F
0%
10mph
SW
Sunny
Humidity
37%
Feels like
80°F
Dew Point
52°F
5 PM
79°F
0%
9mph
SW
Sunny
Humidity
39%
Feels like
79°F
Dew Point
52°F
6 PM
76°F
0%
8mph
SSW
Sunny
Humidity
43%
Feels like
76°F
Dew Point
52°F
7 PM
73°F
0%
7mph
SSW
Sunny
Humidity
48%
Feels like
73°F
Dew Point
53°F
7:09 PM
8 PM
71°F
0%
8mph
SSW
Clear
Humidity
54%
Feels like
71°F
Dew Point
53°F
9 PM
68°F
0%
9mph
SSW
Clear
Humidity
61%
Feels like
68°F
Dew Point
54°F
10 PM
65°F
0%
10mph
SSW
Clear
Humidity
67%
Feels like
65°F
Dew Point
54°F
11 PM
64°F
0%
10mph
SSW
Clear
Humidity
69%
Feels like
64°F
Dew Point
54°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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