Hourly Weather Forecast - Watertown, IL

12 AM
34°F
0%
7mph
NNW
Partly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
25°F
1 AM
33°F
0%
6mph
NNW
Partly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
24°F
2 AM
31°F
0%
6mph
N
Partly Cloudy
Humidity
70%
Feels like
25°F
Dew Point
23°F
3 AM
30°F
0%
5mph
N
Partly Cloudy
Humidity
70%
Feels like
24°F
Dew Point
21°F
4 AM
28°F
0%
5mph
N
Mostly Clear
Humidity
72%
Feels like
23°F
Dew Point
20°F
5 AM
27°F
0%
4mph
N
Mostly Clear
Humidity
74%
Feels like
22°F
Dew Point
20°F
6 AM
27°F
0%
4mph
N
Mostly Clear
Humidity
76%
Feels like
23°F
Dew Point
21°F
7 AM
28°F
0%
4mph
N
Mostly Clear
Humidity
73%
Feels like
24°F
Dew Point
21°F
7:06 AM
8 AM
30°F
0%
4mph
N
Mostly Sunny
Humidity
68%
Feels like
26°F
Dew Point
21°F
9 AM
32°F
0%
4mph
NNE
Partly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
22°F
10 AM
35°F
0%
4mph
NNE
Partly Cloudy
Humidity
59%
Feels like
31°F
Dew Point
22°F
11 AM
37°F
0%
4mph
NNE
Partly Cloudy
Humidity
54%
Feels like
34°F
Dew Point
21°F
12 PM
38°F
0%
3mph
NE
Mostly Sunny
Humidity
50%
Feels like
36°F
Dew Point
21°F
1 PM
40°F
0%
3mph
NE
Mostly Cloudy
Humidity
48%
Feels like
38°F
Dew Point
22°F
2 PM
41°F
0%
3mph
ENE
Mostly Cloudy
Humidity
47%
Feels like
41°F
Dew Point
22°F
3 PM
40°F
0%
3mph
ENE
Partly Cloudy
Humidity
47%
Feels like
40°F
Dew Point
22°F
4 PM
38°F
0%
3mph
E
Partly Cloudy
Humidity
51%
Feels like
38°F
Dew Point
22°F
4:34 PM
5 PM
35°F
0%
3mph
E
Partly Cloudy
Humidity
57%
Feels like
33°F
Dew Point
22°F
6 PM
33°F
0%
3mph
E
Mostly Clear
Humidity
63%
Feels like
30°F
Dew Point
22°F
7 PM
31°F
0%
3mph
E
Mostly Clear
Humidity
66%
Feels like
28°F
Dew Point
21°F
8 PM
30°F
0%
4mph
E
Mostly Clear
Humidity
69%
Feels like
27°F
Dew Point
21°F
9 PM
29°F
0%
4mph
ESE
Partly Cloudy
Humidity
71%
Feels like
25°F
Dew Point
21°F
10 PM
29°F
0%
4mph
ESE
Partly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
22°F
11 PM
29°F
0%
5mph
ESE
Partly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
21°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into 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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