Hourly Weather Forecast - Sycamore, IL

2 AM
21°F
0%
10mph
NW
Clear
Humidity
72%
Feels like
11°F
Dew Point
14°F
3 AM
20°F
0%
8mph
NW
Clear
Humidity
72%
Feels like
10°F
Dew Point
12°F
4 AM
18°F
0%
7mph
NW
Clear
Humidity
73%
Feels like
9°F
Dew Point
11°F
5 AM
17°F
0%
5mph
NW
Clear
Humidity
72%
Feels like
10°F
Dew Point
9°F
6 AM
16°F
0%
3mph
NW
Clear
Humidity
73%
Feels like
16°F
Dew Point
9°F
7 AM
16°F
0%
1mph
NW
Clear
Humidity
72%
Feels like
16°F
Dew Point
9°F
7:19 AM
8 AM
17°F
0%
1mph
NW
Sunny
Humidity
70%
Feels like
17°F
Dew Point
9°F
9 AM
19°F
0%
0mph
WNW
Sunny
Humidity
68%
Feels like
19°F
Dew Point
10°F
10 AM
21°F
0%
1mph
WSW
Sunny
Humidity
65%
Feels like
21°F
Dew Point
11°F
11 AM
23°F
0%
1mph
SW
Sunny
Humidity
64%
Feels like
23°F
Dew Point
13°F
12 PM
25°F
0%
2mph
SW
Sunny
Humidity
62%
Feels like
25°F
Dew Point
14°F
1 PM
26°F
0%
2mph
SW
Sunny
Humidity
61%
Feels like
26°F
Dew Point
15°F
2 PM
27°F
0%
2mph
SW
Sunny
Humidity
61%
Feels like
27°F
Dew Point
16°F
3 PM
28°F
0%
2mph
SSW
Sunny
Humidity
62%
Feels like
28°F
Dew Point
16°F
4 PM
27°F
0%
2mph
SSW
Sunny
Humidity
64%
Feels like
27°F
Dew Point
17°F
4:26 PM
5 PM
26°F
0%
3mph
S
Clear
Humidity
65%
Feels like
26°F
Dew Point
16°F
6 PM
26°F
0%
3mph
S
Partly Cloudy
Humidity
61%
Feels like
22°F
Dew Point
15°F
7 PM
27°F
0%
4mph
S
Partly Cloudy
Humidity
61%
Feels like
22°F
Dew Point
15°F
8 PM
27°F
0%
4mph
S
Partly Cloudy
Humidity
61%
Feels like
21°F
Dew Point
15°F
9 PM
27°F
0%
5mph
S
Partly Cloudy
Humidity
63%
Feels like
21°F
Dew Point
16°F
10 PM
27°F
0%
6mph
S
Mostly Cloudy
Humidity
65%
Feels like
21°F
Dew Point
17°F
11 PM
28°F
10%
6mph
S
Mostly Cloudy
Humidity
67%
Feels like
21°F
Dew Point
18°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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