Hourly Weather Forecast - Lanark, IL

12 AM
32°F
10%
9mph
W
Cloudy
Humidity
98%
Feels like
25°F
Dew Point
32°F
1 AM
32°F
10%
9mph
W
Cloudy
Humidity
96%
Feels like
25°F
Dew Point
31°F
2 AM
32°F
10%
9mph
WNW
Cloudy
Humidity
95%
Feels like
25°F
Dew Point
31°F
3 AM
32°F
10%
8mph
WNW
Cloudy
Humidity
94%
Feels like
24°F
Dew Point
30°F
4 AM
31°F
10%
8mph
WNW
Mostly Cloudy
Humidity
93%
Feels like
24°F
Dew Point
29°F
5 AM
30°F
10%
7mph
WNW
Partly Cloudy
Humidity
93%
Feels like
22°F
Dew Point
28°F
6 AM
29°F
10%
6mph
NW
Partly Cloudy
Humidity
93%
Feels like
22°F
Dew Point
27°F
7 AM
28°F
20%
5mph
WNW
Partly Cloudy
Humidity
95%
Feels like
22°F
Dew Point
27°F
7:21 AM
8 AM
28°F
20%
4mph
WNW
Hazy
Humidity
96%
Feels like
23°F
Dew Point
27°F
9 AM
28°F
20%
3mph
W
Hazy
Humidity
97%
Feels like
25°F
Dew Point
28°F
10 AM
30°F
20%
3mph
WSW
Hazy
Humidity
97%
Feels like
26°F
Dew Point
29°F
11 AM
31°F
20%
3mph
SW
Hazy
Humidity
96%
Feels like
29°F
Dew Point
31°F
12 PM
33°F
20%
4mph
SSW
Hazy
Humidity
95%
Feels like
30°F
Dew Point
32°F
1 PM
33°F
20%
5mph
S
Hazy
Humidity
94%
Feels like
29°F
Dew Point
32°F
2 PM
33°F
20%
6mph
S
Hazy
Humidity
94%
Feels like
28°F
Dew Point
32°F
3 PM
33°F
20%
7mph
S
Hazy
Humidity
94%
Feels like
27°F
Dew Point
32°F
4 PM
33°F
20%
8mph
SSE
Hazy
Humidity
93%
Feels like
26°F
Dew Point
31°F
4:28 PM
5 PM
32°F
20%
9mph
SSE
Hazy
Humidity
93%
Feels like
24°F
Dew Point
30°F
6 PM
31°F
20%
10mph
SSE
Partly Cloudy
Humidity
94%
Feels like
23°F
Dew Point
30°F
7 PM
31°F
20%
12mph
SSE
Partly Cloudy
Humidity
94%
Feels like
22°F
Dew Point
30°F
8 PM
32°F
20%
13mph
SSE
Partly Cloudy
Humidity
95%
Feels like
22°F
Dew Point
30°F
9 PM
32°F
20%
14mph
S
Partly Cloudy
Humidity
96%
Feels like
22°F
Dew Point
31°F
10 PM
33°F
20%
15mph
S
Partly Cloudy
Humidity
97%
Feels like
23°F
Dew Point
32°F
11 PM
34°F
20%
15mph
S
Mostly Cloudy
Humidity
98%
Feels like
24°F
Dew Point
33°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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