Hourly Weather Forecast - Olney, IL

12 AM
29°F
0%
8mph
S
Mostly Clear
Humidity
76%
Feels like
22°F
Dew Point
23°F
1 AM
30°F
0%
9mph
S
Mostly Clear
Humidity
75%
Feels like
22°F
Dew Point
23°F
2 AM
30°F
0%
9mph
S
Partly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
23°F
3 AM
30°F
10%
9mph
S
Partly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
23°F
4 AM
31°F
10%
9mph
S
Partly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
23°F
5 AM
31°F
10%
10mph
S
Partly Cloudy
Humidity
73%
Feels like
23°F
Dew Point
24°F
6 AM
32°F
10%
10mph
S
Mostly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
25°F
7 AM
34°F
10%
11mph
S
Partly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
26°F
7:06 AM
8 AM
37°F
10%
12mph
S
Mostly Sunny
Humidity
68%
Feels like
29°F
Dew Point
28°F
9 AM
40°F
10%
13mph
S
Sunny
Humidity
65%
Feels like
32°F
Dew Point
29°F
10 AM
43°F
10%
13mph
S
Sunny
Humidity
63%
Feels like
36°F
Dew Point
31°F
11 AM
46°F
30%
14mph
SSW
30% Chance Rain Showers
Humidity
60%
Feels like
39°F
Dew Point
32°F
12 PM
48°F
30%
15mph
SSW
30% Chance Rain Showers
Humidity
59%
Feels like
42°F
Dew Point
34°F
1 PM
49°F
30%
15mph
SSW
30% Chance Rain Showers
Humidity
60%
Feels like
43°F
Dew Point
35°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's 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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide