Hourly Weather Forecast - Lanark, IL

12 AM
-3°F
10%
8mph
NW
Very Cold
Humidity
85%
Feels like
-17°F
Dew Point
-6°F
1 AM
-4°F
10%
8mph
NW
Very Cold
Humidity
84%
Feels like
-19°F
Dew Point
-8°F
2 AM
-5°F
10%
8mph
NW
Very Cold
Humidity
82%
Feels like
-20°F
Dew Point
-9°F
3 AM
-6°F
0%
8mph
NW
Very Cold
Humidity
81%
Feels like
-21°F
Dew Point
-10°F
4 AM
-7°F
0%
8mph
NW
Very Cold
Humidity
80%
Feels like
-22°F
Dew Point
-11°F
5 AM
-7°F
0%
8mph
NW
Very Cold
Humidity
80%
Feels like
-23°F
Dew Point
-12°F
6 AM
-7°F
0%
8mph
NW
Very Cold
Humidity
80%
Feels like
-23°F
Dew Point
-12°F
7 AM
-7°F
0%
8mph
NW
Very Cold
Humidity
81%
Feels like
-22°F
Dew Point
-11°F
7:19 AM
8 AM
-6°F
0%
8mph
NW
Very Cold
Humidity
84%
Feels like
-21°F
Dew Point
-9°F
9 AM
-4°F
0%
7mph
NW
Very Cold
Humidity
85%
Feels like
-18°F
Dew Point
-8°F
10 AM
-2°F
0%
7mph
NW
Very Cold
Humidity
82%
Feels like
-16°F
Dew Point
-6°F
11 AM
1°F
0%
7mph
NW
Mostly Sunny
Humidity
78%
Feels like
-13°F
Dew Point
-5°F
12 PM
3°F
0%
7mph
NW
Mostly Sunny
Humidity
75%
Feels like
-10°F
Dew Point
-3°F
1 PM
4°F
0%
7mph
NW
Mostly Sunny
Humidity
74%
Feels like
-8°F
Dew Point
-2°F
2 PM
5°F
0%
6mph
WNW
Mostly Sunny
Humidity
74%
Feels like
-7°F
Dew Point
-2°F
3 PM
5°F
0%
6mph
WNW
Mostly Sunny
Humidity
75%
Feels like
-6°F
Dew Point
-2°F
4 PM
3°F
0%
5mph
WNW
Partly Cloudy
Humidity
77%
Feels like
-7°F
Dew Point
-3°F
4:28 PM
5 PM
1°F
0%
5mph
WNW
Partly Cloudy
Humidity
79%
Feels like
-9°F
Dew Point
-4°F
6 PM
-1°F
0%
4mph
WNW
Very Cold
Humidity
82%
Feels like
-10°F
Dew Point
-5°F
7 PM
-2°F
0%
3mph
W
Very Cold
Humidity
84%
Feels like
-9°F
Dew Point
-6°F
8 PM
-3°F
0%
3mph
WSW
Very Cold
Humidity
86%
Feels like
-3°F
Dew Point
-6°F
9 PM
-3°F
0%
3mph
SW
Very Cold
Humidity
86%
Feels like
-11°F
Dew Point
-6°F
10 PM
-3°F
0%
4mph
SSW
Very Cold
Humidity
86%
Feels like
-12°F
Dew Point
-6°F
11 PM
-3°F
0%
4mph
S
Very Cold
Humidity
85%
Feels like
-12°F
Dew Point
-6°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide