Hourly Weather Forecast - Bison, SD

12 AM
18°F
0%
16mph
SSE
Partly Cloudy
Humidity
63%
Feels like
3°F
Dew Point
7°F
1 AM
18°F
0%
17mph
SSE
Mostly Cloudy
Humidity
63%
Feels like
3°F
Dew Point
8°F
2 AM
19°F
0%
17mph
SSE
Cloudy
Humidity
64%
Feels like
4°F
Dew Point
9°F
3 AM
19°F
0%
17mph
SSE
Cloudy
Humidity
64%
Feels like
5°F
Dew Point
9°F
4 AM
20°F
0%
17mph
SSE
Cloudy
Humidity
64%
Feels like
6°F
Dew Point
10°F
5 AM
21°F
0%
17mph
SSE
Mostly Cloudy
Humidity
64%
Feels like
7°F
Dew Point
11°F
6 AM
22°F
10%
17mph
SSE
Mostly Cloudy
Humidity
66%
Feels like
8°F
Dew Point
12°F
7 AM
23°F
10%
17mph
S
Mostly Cloudy
Humidity
69%
Feels like
10°F
Dew Point
14°F
7:25 AM
8 AM
25°F
10%
16mph
S
Mostly Cloudy
Humidity
70%
Feels like
12°F
Dew Point
17°F
9 AM
29°F
10%
16mph
SSW
Cloudy
Humidity
68%
Feels like
17°F
Dew Point
20°F
10 AM
34°F
10%
16mph
SW
Cloudy
Humidity
65%
Feels like
23°F
Dew Point
23°F
11 AM
37°F
10%
17mph
WSW
Cloudy
Humidity
63%
Feels like
28°F
Dew Point
26°F
12 PM
40°F
10%
17mph
WSW
Cloudy
Humidity
62%
Feels like
31°F
Dew Point
28°F
1 PM
41°F
0%
16mph
W
Cloudy
Humidity
63%
Feels like
33°F
Dew Point
30°F
2 PM
42°F
0%
16mph
W
Cloudy
Humidity
64%
Feels like
34°F
Dew Point
31°F
3 PM
41°F
0%
15mph
WNW
Cloudy
Humidity
66%
Feels like
33°F
Dew Point
30°F
4 PM
39°F
0%
14mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
31°F
Dew Point
29°F
4:08 PM
5 PM
37°F
10%
12mph
WNW
Partly Cloudy
Humidity
70%
Feels like
29°F
Dew Point
28°F
6 PM
37°F
10%
12mph
WNW
Mostly Cloudy
Humidity
70%
Feels like
29°F
Dew Point
28°F
7 PM
35°F
10%
11mph
WNW
Mostly Cloudy
Humidity
72%
Feels like
27°F
Dew Point
27°F
8 PM
34°F
10%
11mph
WNW
Mostly Cloudy
Humidity
73%
Feels like
26°F
Dew Point
27°F
9 PM
33°F
10%
11mph
WNW
Mostly Cloudy
Humidity
75%
Feels like
25°F
Dew Point
26°F
10 PM
32°F
10%
12mph
WNW
Cloudy
Humidity
77%
Feels like
23°F
Dew Point
26°F
11 PM
31°F
30%
12mph
WNW
30% Chance of Flurries
Humidity
79%
Feels like
22°F
Dew Point
26°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday's Weather Outlook

Today'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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