Hourly Weather Forecast - Illiopolis, IL

12 AM
41°F
0%
6mph
ESE
Mostly Cloudy
Humidity
60%
Feels like
37°F
Dew Point
28°F
1 AM
40°F
0%
6mph
ESE
Mostly Cloudy
Humidity
61%
Feels like
36°F
Dew Point
28°F
2 AM
39°F
0%
7mph
ESE
Mostly Cloudy
Humidity
62%
Feels like
34°F
Dew Point
27°F
3 AM
39°F
0%
7mph
SE
Cloudy
Humidity
63%
Feels like
34°F
Dew Point
27°F
4 AM
38°F
0%
8mph
SE
Cloudy
Humidity
64%
Feels like
33°F
Dew Point
27°F
5 AM
38°F
0%
8mph
SE
Mostly Cloudy
Humidity
65%
Feels like
32°F
Dew Point
27°F
6 AM
37°F
0%
8mph
SE
Mostly Cloudy
Humidity
66%
Feels like
31°F
Dew Point
27°F
6:54 AM
7 AM
38°F
0%
8mph
SE
Partly Cloudy
Humidity
66%
Feels like
31°F
Dew Point
27°F
8 AM
39°F
0%
9mph
SSE
Partly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
28°F
9 AM
42°F
0%
10mph
SSE
Mostly Sunny
Humidity
58%
Feels like
37°F
Dew Point
29°F
10 AM
46°F
0%
11mph
SSE
Mostly Sunny
Humidity
53%
Feels like
40°F
Dew Point
29°F
11 AM
49°F
0%
11mph
S
Mostly Sunny
Humidity
48%
Feels like
44°F
Dew Point
30°F
12 PM
52°F
0%
11mph
S
Partly Cloudy
Humidity
43%
Feels like
52°F
Dew Point
30°F
1 PM
55°F
0%
11mph
S
Partly Cloudy
Humidity
39%
Feels like
55°F
Dew Point
31°F
2 PM
57°F
0%
11mph
S
Mostly Cloudy
Humidity
38%
Feels like
57°F
Dew Point
32°F
3 PM
58°F
0%
10mph
SSW
Cloudy
Humidity
39%
Feels like
58°F
Dew Point
33°F
4 PM
58°F
0%
9mph
SSW
Cloudy
Humidity
40%
Feels like
58°F
Dew Point
34°F
5 PM
58°F
10%
8mph
SSW
Cloudy
Humidity
43%
Feels like
58°F
Dew Point
35°F
6 PM
56°F
10%
7mph
S
Cloudy
Humidity
46%
Feels like
56°F
Dew Point
36°F
7 PM
54°F
10%
6mph
S
Mostly Cloudy
Humidity
50%
Feels like
54°F
Dew Point
36°F
7:12 PM
8 PM
53°F
10%
6mph
S
Partly Cloudy
Humidity
54%
Feels like
53°F
Dew Point
37°F
9 PM
51°F
10%
6mph
S
Mostly Clear
Humidity
58%
Feels like
51°F
Dew Point
37°F
10 PM
49°F
10%
5mph
SSE
Clear
Humidity
62%
Feels like
47°F
Dew Point
37°F
11 PM
48°F
10%
3mph
SE
Clear
Humidity
65%
Feels like
47°F
Dew Point
36°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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