Hourly Weather Forecast - Bison, SD

12 AM
28°F
10%
7mph
SSE
Partly Cloudy
Humidity
81%
Feels like
21°F
Dew Point
23°F
1 AM
28°F
10%
7mph
SSE
Mostly Clear
Humidity
83%
Feels like
21°F
Dew Point
23°F
2 AM
28°F
10%
7mph
SSE
Mostly Clear
Humidity
85%
Feels like
21°F
Dew Point
24°F
3 AM
28°F
10%
6mph
SSE
Partly Cloudy
Humidity
86%
Feels like
21°F
Dew Point
24°F
4 AM
28°F
10%
6mph
SSE
Partly Cloudy
Humidity
86%
Feels like
21°F
Dew Point
24°F
5 AM
28°F
0%
7mph
S
Mostly Cloudy
Humidity
87%
Feels like
21°F
Dew Point
25°F
6 AM
28°F
0%
7mph
S
Mostly Cloudy
Humidity
88%
Feels like
21°F
Dew Point
25°F
7 AM
28°F
0%
7mph
S
Cloudy
Humidity
90%
Feels like
21°F
Dew Point
26°F
7:27 AM
8 AM
29°F
0%
7mph
S
Cloudy
Humidity
89%
Feels like
22°F
Dew Point
26°F
9 AM
32°F
0%
8mph
SSW
Mostly Cloudy
Humidity
83%
Feels like
26°F
Dew Point
28°F
10 AM
36°F
0%
9mph
SSW
Partly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
29°F
11 AM
39°F
0%
9mph
SSW
Partly Cloudy
Humidity
70%
Feels like
33°F
Dew Point
30°F
12 PM
41°F
0%
8mph
SW
Partly Cloudy
Humidity
67%
Feels like
36°F
Dew Point
31°F
1 PM
43°F
0%
8mph
WSW
Partly Cloudy
Humidity
66%
Feels like
38°F
Dew Point
32°F
2 PM
43°F
0%
8mph
W
Partly Cloudy
Humidity
66%
Feels like
38°F
Dew Point
32°F
3 PM
41°F
0%
8mph
W
Partly Cloudy
Humidity
70%
Feels like
36°F
Dew Point
32°F
4 PM
38°F
0%
7mph
W
Partly Cloudy
Humidity
76%
Feels like
33°F
Dew Point
31°F
4:09 PM
5 PM
35°F
0%
7mph
W
Partly Cloudy
Humidity
81%
Feels like
30°F
Dew Point
30°F
6 PM
34°F
0%
7mph
WNW
Partly Cloudy
Humidity
84%
Feels like
28°F
Dew Point
29°F
7 PM
33°F
0%
6mph
WNW
Cloudy
Humidity
87%
Feels like
27°F
Dew Point
29°F
8 PM
32°F
0%
6mph
WNW
Cloudy
Humidity
89%
Feels like
26°F
Dew Point
29°F
9 PM
31°F
0%
7mph
WNW
Cloudy
Humidity
90%
Feels like
25°F
Dew Point
28°F
10 PM
31°F
10%
7mph
WNW
Cloudy
Humidity
90%
Feels like
24°F
Dew Point
28°F
11 PM
31°F
10%
8mph
NW
Cloudy
Humidity
91%
Feels like
23°F
Dew Point
28°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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