Hourly Weather Forecast - Crystal Lake, IL

12 AM
18°F
10%
14mph
WNW
Mostly Clear
Humidity
65%
Feels like
4°F
Dew Point
8°F
1 AM
17°F
10%
13mph
WNW
Mostly Clear
Humidity
65%
Feels like
3°F
Dew Point
7°F
2 AM
15°F
10%
12mph
WNW
Partly Cloudy
Humidity
65%
Feels like
2°F
Dew Point
6°F
3 AM
14°F
0%
11mph
WNW
Partly Cloudy
Humidity
65%
Feels like
1°F
Dew Point
5°F
4 AM
13°F
0%
10mph
WNW
Partly Cloudy
Humidity
66%
Feels like
0°F
Dew Point
4°F
5 AM
12°F
0%
9mph
NW
Mostly Clear
Humidity
66%
Feels like
0°F
Dew Point
3°F
6 AM
12°F
0%
8mph
NW
Clear
Humidity
66%
Feels like
0°F
Dew Point
3°F
7 AM
12°F
0%
7mph
NW
Clear
Humidity
64%
Feels like
1°F
Dew Point
2°F
7:17 AM
8 AM
13°F
0%
6mph
NW
Sunny
Humidity
62%
Feels like
3°F
Dew Point
2°F
9 AM
14°F
0%
6mph
WNW
Sunny
Humidity
59%
Feels like
5°F
Dew Point
2°F
10 AM
15°F
0%
5mph
WNW
Sunny
Humidity
55%
Feels like
8°F
Dew Point
2°F
11 AM
17°F
0%
4mph
W
Sunny
Humidity
52%
Feels like
10°F
Dew Point
2°F
12 PM
18°F
0%
4mph
WSW
Sunny
Humidity
50%
Feels like
12°F
Dew Point
2°F
1 PM
19°F
10%
3mph
SW
Sunny
Humidity
48%
Feels like
14°F
Dew Point
2°F
2 PM
20°F
10%
3mph
SW
Sunny
Humidity
47%
Feels like
15°F
Dew Point
3°F
3 PM
20°F
10%
3mph
SSW
Sunny
Humidity
48%
Feels like
15°F
Dew Point
4°F
4 PM
20°F
10%
4mph
S
Mostly Sunny
Humidity
49%
Feels like
15°F
Dew Point
4°F
4:23 PM
5 PM
21°F
10%
4mph
S
Partly Cloudy
Humidity
51%
Feels like
15°F
Dew Point
6°F
6 PM
20°F
10%
4mph
S
Mostly Cloudy
Humidity
55%
Feels like
14°F
Dew Point
7°F
7 PM
20°F
0%
4mph
S
Mostly Cloudy
Humidity
60%
Feels like
13°F
Dew Point
8°F
8 PM
19°F
0%
6mph
SSE
Mostly Cloudy
Humidity
63%
Feels like
11°F
Dew Point
9°F
9 PM
19°F
0%
6mph
SSE
Mostly Cloudy
Humidity
64%
Feels like
11°F
Dew Point
9°F
10 PM
20°F
0%
7mph
S
Mostly Cloudy
Humidity
65%
Feels like
11°F
Dew Point
10°F
11 PM
20°F
0%
7mph
S
Mostly Cloudy
Humidity
65%
Feels like
11°F
Dew Point
11°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

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

Cold Air Damming - Cause And Effects

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