Hourly Weather Forecast - Cortland, IL

12 AM
12°F
10%
3mph
S
Cloudy
Humidity
81%
Feels like
12°F
Dew Point
8°F
1 AM
12°F
10%
3mph
S
Cloudy
Humidity
82%
Feels like
12°F
Dew Point
7°F
2 AM
11°F
10%
3mph
S
Cloudy
Humidity
83%
Feels like
11°F
Dew Point
7°F
3 AM
11°F
20%
3mph
S
Cloudy
Humidity
84%
Feels like
11°F
Dew Point
7°F
4 AM
11°F
20%
3mph
SSW
Partly Cloudy
Humidity
85%
Feels like
11°F
Dew Point
7°F
5 AM
11°F
30%
2mph
SSW
30% Chance Snow Showers
Humidity
85%
Feels like
11°F
Dew Point
8°F
6 AM
12°F
30%
2mph
SW
30% Chance Snow Showers
Humidity
85%
Feels like
12°F
Dew Point
9°F
7 AM
14°F
20%
3mph
SW
Mostly Clear
Humidity
85%
Feels like
14°F
Dew Point
10°F
7:15 AM
8 AM
15°F
20%
4mph
WSW
Mostly Sunny
Humidity
85%
Feels like
9°F
Dew Point
12°F
9 AM
17°F
20%
5mph
W
Mostly Sunny
Humidity
83%
Feels like
10°F
Dew Point
13°F
10 AM
19°F
20%
5mph
W
Mostly Sunny
Humidity
83%
Feels like
11°F
Dew Point
15°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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