Hourly Weather Forecast - Cortland, IL

12 AM
16°F
10%
8mph
WNW
Partly Cloudy
Humidity
80%
Feels like
5°F
Dew Point
10°F
1 AM
15°F
10%
8mph
WNW
Partly Cloudy
Humidity
81%
Feels like
4°F
Dew Point
10°F
2 AM
14°F
10%
8mph
WNW
Mostly Cloudy
Humidity
81%
Feels like
3°F
Dew Point
10°F
3 AM
13°F
10%
8mph
WNW
Mostly Cloudy
Humidity
82%
Feels like
2°F
Dew Point
9°F
4 AM
12°F
10%
7mph
WNW
Partly Cloudy
Humidity
83%
Feels like
1°F
Dew Point
8°F
5 AM
11°F
10%
7mph
WNW
Partly Cloudy
Humidity
87%
Feels like
0°F
Dew Point
8°F
6 AM
9°F
10%
7mph
WNW
Hazy
Humidity
92%
Feels like
-2°F
Dew Point
7°F
7 AM
8°F
10%
7mph
W
Hazy
Humidity
93%
Feels like
-4°F
Dew Point
7°F
7:16 AM
8 AM
8°F
10%
8mph
W
Sunny
Humidity
89%
Feels like
-4°F
Dew Point
6°F
9 AM
10°F
10%
9mph
W
Sunny
Humidity
81%
Feels like
-3°F
Dew Point
6°F
10 AM
12°F
10%
9mph
W
Sunny
Humidity
76%
Feels like
-1°F
Dew Point
6°F
11 AM
14°F
10%
10mph
W
Mostly Sunny
Humidity
72%
Feels like
1°F
Dew Point
6°F
12 PM
15°F
10%
11mph
W
Mostly Sunny
Humidity
69%
Feels like
3°F
Dew Point
7°F
1 PM
17°F
10%
11mph
W
Mostly Sunny
Humidity
65%
Feels like
4°F
Dew Point
8°F
2 PM
19°F
10%
11mph
W
Mostly Sunny
Humidity
62%
Feels like
7°F
Dew Point
8°F
3 PM
19°F
10%
10mph
W
Partly Cloudy
Humidity
62%
Feels like
8°F
Dew Point
8°F
4 PM
18°F
10%
8mph
WSW
Partly Cloudy
Humidity
65%
Feels like
8°F
Dew Point
8°F
4:57 PM
5 PM
16°F
10%
6mph
WSW
Mostly Cloudy
Humidity
69%
Feels like
8°F
Dew Point
8°F
6 PM
15°F
10%
4mph
SW
Cloudy
Humidity
71%
Feels like
8°F
Dew Point
7°F
7 PM
13°F
10%
2mph
SSW
Cloudy
Humidity
76%
Feels like
13°F
Dew Point
8°F
8 PM
13°F
10%
2mph
SSW
Cloudy
Humidity
78%
Feels like
13°F
Dew Point
8°F
9 PM
13°F
10%
2mph
SSW
Cloudy
Humidity
79%
Feels like
13°F
Dew Point
8°F
10 PM
13°F
10%
2mph
S
Cloudy
Humidity
81%
Feels like
13°F
Dew Point
8°F
11 PM
12°F
10%
2mph
S
Cloudy
Humidity
81%
Feels like
12°F
Dew Point
8°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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