Hourly Weather Forecast - Watertown, SD

12 AM
26°F
10%
11mph
N
Mostly Cloudy
Humidity
83%
Feels like
15°F
Dew Point
21°F
1 AM
25°F
10%
10mph
N
Mostly Cloudy
Humidity
85%
Feels like
15°F
Dew Point
21°F
2 AM
24°F
10%
9mph
N
Mostly Cloudy
Humidity
86%
Feels like
15°F
Dew Point
21°F
3 AM
23°F
10%
8mph
NNE
Mostly Cloudy
Humidity
84%
Feels like
14°F
Dew Point
19°F
4 AM
22°F
10%
7mph
NNE
Mostly Cloudy
Humidity
85%
Feels like
14°F
Dew Point
19°F
5 AM
22°F
10%
6mph
NNE
Partly Cloudy
Humidity
88%
Feels like
14°F
Dew Point
19°F
6 AM
23°F
10%
6mph
NNE
Partly Cloudy
Humidity
85%
Feels like
15°F
Dew Point
19°F
7 AM
23°F
10%
7mph
NE
Partly Cloudy
Humidity
85%
Feels like
15°F
Dew Point
19°F
8 AM
24°F
10%
8mph
NE
Mostly Clear
Humidity
82%
Feels like
15°F
Dew Point
19°F
8:05 AM
9 AM
25°F
20%
9mph
ENE
Sunny
Humidity
80%
Feels like
16°F
Dew Point
20°F
10 AM
27°F
20%
10mph
E
Mostly Sunny
Humidity
77%
Feels like
17°F
Dew Point
20°F
11 AM
29°F
20%
11mph
ESE
Partly Cloudy
Humidity
75%
Feels like
19°F
Dew Point
22°F
12 PM
30°F
10%
12mph
SE
Partly Cloudy
Humidity
74%
Feels like
20°F
Dew Point
22°F
1 PM
31°F
10%
13mph
SE
Partly Cloudy
Humidity
72%
Feels like
21°F
Dew Point
23°F
2 PM
31°F
10%
13mph
SE
Mostly Sunny
Humidity
73%
Feels like
21°F
Dew Point
23°F
3 PM
31°F
10%
13mph
SE
Sunny
Humidity
75%
Feels like
21°F
Dew Point
24°F
4 PM
30°F
10%
13mph
SE
Sunny
Humidity
79%
Feels like
20°F
Dew Point
24°F
4:52 PM
5 PM
29°F
10%
12mph
SE
Clear
Humidity
82%
Feels like
20°F
Dew Point
25°F
6 PM
28°F
10%
12mph
SE
Hazy
Humidity
91%
Feels like
18°F
Dew Point
26°F
7 PM
27°F
10%
12mph
SSE
Mostly Clear
Humidity
82%
Feels like
17°F
Dew Point
23°F
8 PM
27°F
10%
12mph
SSE
Mostly Clear
Humidity
85%
Feels like
16°F
Dew Point
23°F
9 PM
27°F
10%
12mph
SSE
Partly Cloudy
Humidity
85%
Feels like
17°F
Dew Point
23°F
10 PM
27°F
10%
11mph
SSE
Mostly Clear
Humidity
85%
Feels like
17°F
Dew Point
24°F
11 PM
28°F
10%
11mph
SSE
Mostly Clear
Humidity
86%
Feels like
18°F
Dew Point
24°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

Today's Weather Outlook

Today'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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