Hourly Weather Forecast - Gann Valley, SD

12 AM
40°F
0%
5mph
SW
Mostly Clear
Humidity
71%
Feels like
36°F
Dew Point
31°F
1 AM
39°F
0%
5mph
WSW
Mostly Clear
Humidity
71%
Feels like
35°F
Dew Point
30°F
2 AM
38°F
0%
4mph
WSW
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
29°F
3 AM
37°F
0%
4mph
WSW
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
29°F
4 AM
37°F
0%
4mph
WSW
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
28°F
5 AM
36°F
0%
3mph
WSW
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
28°F
6 AM
36°F
0%
3mph
WSW
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
28°F
7 AM
36°F
0%
3mph
WSW
Partly Cloudy
Humidity
73%
Feels like
33°F
Dew Point
28°F
7:44 AM
8 AM
36°F
0%
4mph
W
Mostly Cloudy
Humidity
74%
Feels like
33°F
Dew Point
28°F
9 AM
37°F
0%
4mph
WSW
Cloudy
Humidity
73%
Feels like
34°F
Dew Point
29°F
10 AM
40°F
0%
4mph
WSW
Cloudy
Humidity
68%
Feels like
37°F
Dew Point
31°F
11 AM
44°F
0%
6mph
SW
Mostly Cloudy
Humidity
61%
Feels like
41°F
Dew Point
32°F
12 PM
48°F
0%
6mph
SSW
Mostly Cloudy
Humidity
55%
Feels like
45°F
Dew Point
33°F
1 PM
50°F
0%
6mph
S
Mostly Cloudy
Humidity
52%
Feels like
50°F
Dew Point
33°F
2 PM
51°F
0%
7mph
SE
Mostly Cloudy
Humidity
51%
Feels like
51°F
Dew Point
34°F
3 PM
52°F
0%
8mph
SE
Mostly Cloudy
Humidity
51%
Feels like
52°F
Dew Point
34°F
4 PM
50°F
0%
7mph
E
Mostly Cloudy
Humidity
53%
Feels like
50°F
Dew Point
34°F
5 PM
48°F
0%
7mph
ENE
Mostly Cloudy
Humidity
57%
Feels like
44°F
Dew Point
33°F
5:57 PM
6 PM
45°F
0%
9mph
NE
Mostly Cloudy
Humidity
62%
Feels like
40°F
Dew Point
33°F
7 PM
43°F
0%
11mph
NNE
Mostly Cloudy
Humidity
66%
Feels like
37°F
Dew Point
33°F
8 PM
41°F
0%
11mph
NNE
Mostly Cloudy
Humidity
71%
Feels like
35°F
Dew Point
32°F
9 PM
39°F
0%
11mph
NNE
Mostly Cloudy
Humidity
75%
Feels like
32°F
Dew Point
32°F
10 PM
38°F
0%
11mph
N
Mostly Cloudy
Humidity
78%
Feels like
31°F
Dew Point
32°F
11 PM
37°F
0%
11mph
N
Mostly Cloudy
Humidity
80%
Feels like
30°F
Dew Point
32°F

Friday's Weather Outlook

Friday's Weather Outlook

A snow-filled clipper system is set to sweep through the Great Lakes, Ohio Valley, and Mid-Atlantic.

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image courtesy of Pixabay.com

All About Snow Squalls

A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Windchill chart

Dangers of Wind Chills

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