Hourly Weather Forecast - Olney, IL

12 AM
23°F
0%
7mph
SSW
Partly Cloudy
Humidity
75%
Feels like
15°F
Dew Point
17°F
1 AM
23°F
10%
6mph
SSW
Partly Cloudy
Humidity
76%
Feels like
15°F
Dew Point
17°F
2 AM
23°F
10%
6mph
SSW
Mostly Clear
Humidity
73%
Feels like
15°F
Dew Point
16°F
3 AM
22°F
10%
6mph
SSW
Clear
Humidity
76%
Feels like
15°F
Dew Point
16°F
4 AM
22°F
0%
6mph
SSW
Clear
Humidity
77%
Feels like
14°F
Dew Point
16°F
5 AM
22°F
0%
6mph
SSW
Clear
Humidity
79%
Feels like
14°F
Dew Point
16°F
6 AM
22°F
0%
6mph
SSW
Clear
Humidity
80%
Feels like
14°F
Dew Point
17°F
7 AM
24°F
0%
6mph
SSW
Clear
Humidity
80%
Feels like
16°F
Dew Point
19°F
7:03 AM
8 AM
26°F
0%
7mph
SSW
Sunny
Humidity
82%
Feels like
19°F
Dew Point
22°F
9 AM
29°F
0%
7mph
SSW
Sunny
Humidity
79%
Feels like
22°F
Dew Point
24°F
10 AM
32°F
0%
8mph
SSW
Sunny
Humidity
75%
Feels like
25°F
Dew Point
25°F
11 AM
36°F
0%
9mph
SSW
Sunny
Humidity
70%
Feels like
29°F
Dew Point
27°F
12 PM
38°F
0%
9mph
SSW
Sunny
Humidity
67%
Feels like
32°F
Dew Point
28°F
1 PM
40°F
0%
9mph
SSW
Sunny
Humidity
66%
Feels like
34°F
Dew Point
29°F
2 PM
40°F
0%
10mph
S
Sunny
Humidity
68%
Feels like
34°F
Dew Point
31°F
3 PM
40°F
0%
10mph
S
Sunny
Humidity
70%
Feels like
34°F
Dew Point
31°F
4 PM
39°F
0%
10mph
S
Sunny
Humidity
74%
Feels like
32°F
Dew Point
31°F
4:32 PM
5 PM
37°F
0%
9mph
S
Clear
Humidity
81%
Feels like
30°F
Dew Point
31°F
6 PM
35°F
0%
9mph
SSW
Clear
Humidity
86%
Feels like
28°F
Dew Point
31°F
7 PM
35°F
0%
10mph
SSW
Clear
Humidity
89%
Feels like
27°F
Dew Point
31°F
8 PM
34°F
0%
10mph
SSW
Clear
Humidity
89%
Feels like
27°F
Dew Point
31°F
9 PM
34°F
0%
10mph
SSW
Hazy
Humidity
91%
Feels like
27°F
Dew Point
32°F
10 PM
35°F
0%
10mph
SSW
Clear
Humidity
89%
Feels like
27°F
Dew Point
32°F
11 PM
35°F
0%
10mph
SSW
Hazy
Humidity
92%
Feels like
27°F
Dew Point
33°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend 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 strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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