Hourly Weather Forecast - Yankton, SD

12 AM
32°F
10%
12mph
SSE
Partly Cloudy
Humidity
70%
Feels like
23°F
Dew Point
23°F
1 AM
31°F
10%
12mph
SSE
Partly Cloudy
Humidity
71%
Feels like
22°F
Dew Point
23°F
2 AM
31°F
10%
11mph
SSE
Mostly Clear
Humidity
73%
Feels like
22°F
Dew Point
23°F
3 AM
30°F
0%
10mph
SSE
Clear
Humidity
74%
Feels like
22°F
Dew Point
23°F
4 AM
30°F
0%
10mph
SSE
Clear
Humidity
76%
Feels like
21°F
Dew Point
23°F
5 AM
29°F
0%
9mph
SSE
Clear
Humidity
80%
Feels like
21°F
Dew Point
24°F
6 AM
29°F
0%
8mph
SSE
Clear
Humidity
82%
Feels like
22°F
Dew Point
25°F
7 AM
30°F
0%
8mph
S
Mostly Clear
Humidity
81%
Feels like
23°F
Dew Point
25°F
7:57 AM
8 AM
33°F
0%
8mph
S
Mostly Sunny
Humidity
76%
Feels like
26°F
Dew Point
26°F
9 AM
36°F
0%
8mph
S
Mostly Sunny
Humidity
71%
Feels like
30°F
Dew Point
28°F
10 AM
40°F
0%
8mph
S
Mostly Sunny
Humidity
66%
Feels like
34°F
Dew Point
29°F
11 AM
43°F
0%
8mph
SSW
Mostly Sunny
Humidity
61%
Feels like
38°F
Dew Point
30°F
12 PM
46°F
0%
8mph
SSW
Partly Cloudy
Humidity
58%
Feels like
42°F
Dew Point
32°F
1 PM
48°F
0%
9mph
S
Partly Cloudy
Humidity
55%
Feels like
44°F
Dew Point
33°F
2 PM
50°F
0%
9mph
S
Partly Cloudy
Humidity
56%
Feels like
46°F
Dew Point
34°F
3 PM
49°F
0%
10mph
S
Mostly Cloudy
Humidity
59%
Feels like
45°F
Dew Point
35°F
4 PM
47°F
0%
9mph
S
Mostly Cloudy
Humidity
64%
Feels like
43°F
Dew Point
36°F
4:58 PM
5 PM
45°F
0%
9mph
S
Partly Cloudy
Humidity
71%
Feels like
40°F
Dew Point
36°F
6 PM
42°F
0%
9mph
S
Partly Cloudy
Humidity
78%
Feels like
37°F
Dew Point
36°F
7 PM
40°F
0%
9mph
S
Partly Cloudy
Humidity
83%
Feels like
34°F
Dew Point
36°F
8 PM
39°F
0%
9mph
S
Mostly Clear
Humidity
86%
Feels like
33°F
Dew Point
35°F
9 PM
38°F
0%
10mph
SSW
Clear
Humidity
87%
Feels like
31°F
Dew Point
35°F
10 PM
37°F
0%
10mph
SSW
Clear
Humidity
87%
Feels like
30°F
Dew Point
34°F
11 PM
37°F
0%
10mph
SW
Clear
Humidity
87%
Feels like
29°F
Dew Point
33°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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