Hourly Weather Forecast - Watertown, IL

12 AM
50°F
40%
9mph
SW
40% Chance of Light Rain
Humidity
92%
Feels like
46°F
Dew Point
48°F
1 AM
50°F
20%
9mph
SW
Cloudy
Humidity
93%
Feels like
50°F
Dew Point
48°F
2 AM
50°F
20%
9mph
SW
Cloudy
Humidity
92%
Feels like
50°F
Dew Point
48°F
3 AM
50°F
10%
9mph
SW
Cloudy
Humidity
92%
Feels like
50°F
Dew Point
48°F
4 AM
50°F
10%
9mph
SW
Cloudy
Humidity
92%
Feels like
46°F
Dew Point
47°F
5 AM
49°F
0%
8mph
SW
Cloudy
Humidity
93%
Feels like
46°F
Dew Point
47°F
6 AM
49°F
0%
8mph
SW
Cloudy
Humidity
94%
Feels like
46°F
Dew Point
48°F
7 AM
50°F
0%
8mph
SW
Cloudy
Humidity
93%
Feels like
50°F
Dew Point
48°F
7:07 AM
8 AM
51°F
0%
8mph
SW
Cloudy
Humidity
92%
Feels like
51°F
Dew Point
49°F
9 AM
53°F
0%
8mph
WSW
Cloudy
Humidity
91%
Feels like
53°F
Dew Point
51°F
10 AM
55°F
0%
8mph
WSW
Cloudy
Humidity
89%
Feels like
55°F
Dew Point
52°F
11 AM
57°F
0%
8mph
W
Cloudy
Humidity
86%
Feels like
57°F
Dew Point
53°F
12 PM
59°F
0%
8mph
W
Cloudy
Humidity
83%
Feels like
59°F
Dew Point
54°F
1 PM
59°F
0%
7mph
W
Cloudy
Humidity
81%
Feels like
59°F
Dew Point
54°F
2 PM
59°F
0%
6mph
WNW
Mostly Cloudy
Humidity
79%
Feels like
59°F
Dew Point
53°F
3 PM
59°F
0%
4mph
WNW
Mostly Cloudy
Humidity
79%
Feels like
59°F
Dew Point
52°F
4 PM
57°F
0%
4mph
NW
Mostly Cloudy
Humidity
80%
Feels like
57°F
Dew Point
51°F
4:35 PM
5 PM
54°F
0%
3mph
NNW
Mostly Cloudy
Humidity
85%
Feels like
54°F
Dew Point
50°F
6 PM
52°F
10%
3mph
N
Mostly Cloudy
Humidity
90%
Feels like
52°F
Dew Point
49°F
7 PM
50°F
10%
3mph
N
Mostly Cloudy
Humidity
92%
Feels like
50°F
Dew Point
48°F
8 PM
49°F
20%
3mph
NNE
Mostly Cloudy
Humidity
94%
Feels like
49°F
Dew Point
48°F
9 PM
48°F
20%
4mph
NNE
Mostly Cloudy
Humidity
96%
Feels like
47°F
Dew Point
47°F
10 PM
47°F
20%
4mph
NE
Mostly Cloudy
Humidity
97%
Feels like
46°F
Dew Point
46°F
11 PM
47°F
20%
4mph
NE
Mostly Cloudy
Humidity
95%
Feels like
45°F
Dew Point
45°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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