Hourly Weather Forecast - Gann Valley, SD

12 AM
30°F
40%
12mph
NNW
40% Chance of Flurries
Humidity
94%
Feels like
20°F
Dew Point
28°F
1 AM
29°F
40%
12mph
NNW
40% Chance of Flurries
Humidity
94%
Feels like
19°F
Dew Point
28°F
2 AM
29°F
30%
13mph
NNW
30% Chance of Flurries
Humidity
94%
Feels like
19°F
Dew Point
28°F
3 AM
29°F
30%
14mph
NW
30% Chance of Flurries
Humidity
94%
Feels like
18°F
Dew Point
27°F
4 AM
28°F
30%
15mph
NW
30% Chance of Flurries
Humidity
94%
Feels like
17°F
Dew Point
27°F
5 AM
28°F
30%
15mph
NW
30% Chance of Flurries
Humidity
94%
Feels like
16°F
Dew Point
26°F
6 AM
28°F
30%
16mph
NW
30% Chance of Flurries
Humidity
93%
Feels like
15°F
Dew Point
26°F
7 AM
27°F
20%
17mph
NW
Cloudy
Humidity
93%
Feels like
15°F
Dew Point
26°F
7:12 AM
8 AM
28°F
20%
17mph
NW
Cloudy
Humidity
93%
Feels like
15°F
Dew Point
26°F
9 AM
28°F
20%
18mph
NW
Mostly Cloudy
Humidity
94%
Feels like
15°F
Dew Point
26°F
10 AM
29°F
20%
19mph
NW
Mostly Cloudy
Humidity
93%
Feels like
16°F
Dew Point
27°F
11 AM
30°F
20%
19mph
NW
Mostly Cloudy
Humidity
90%
Feels like
18°F
Dew Point
28°F
12 PM
32°F
20%
19mph
NW
Mostly Cloudy
Humidity
85%
Feels like
20°F
Dew Point
28°F
1 PM
33°F
30%
20mph
NW
30% Chance of Flurries
Humidity
81%
Feels like
22°F
Dew Point
28°F
2 PM
34°F
30%
20mph
NW
30% Chance Light Snow
Humidity
78%
Feels like
23°F
Dew Point
28°F
3 PM
35°F
30%
20mph
NW
30% Chance Light Snow
Humidity
76%
Feels like
24°F
Dew Point
29°F
4 PM
36°F
30%
20mph
NW
30% Chance Light Snow
Humidity
74%
Feels like
26°F
Dew Point
29°F
5 PM
37°F
30%
19mph
NW
30% Chance Light Snow
Humidity
73%
Feels like
26°F
Dew Point
29°F
6 PM
37°F
30%
17mph
NW
30% Chance Light Snow
Humidity
72%
Feels like
27°F
Dew Point
29°F
7 PM
36°F
30%
16mph
NW
30% Chance of Snow
Humidity
73%
Feels like
27°F
Dew Point
29°F
8 PM
35°F
30%
15mph
NW
30% Chance of Snow
Humidity
76%
Feels like
25°F
Dew Point
28°F
8:06 PM
9 PM
32°F
10%
13mph
NW
Cloudy
Humidity
81%
Feels like
23°F
Dew Point
27°F
10 PM
30°F
10%
12mph
NW
Mostly Cloudy
Humidity
84%
Feels like
21°F
Dew Point
26°F
11 PM
29°F
10%
11mph
NW
Partly Cloudy
Humidity
85%
Feels like
20°F
Dew Point
26°F

Today's Weather Outlook

Today's Weather Outlook

Unsettled weather interrupts the beginning of the work week for many across the Nation today.

Weekly Drought Map for March 26, 2026

Extreme Weather Leads To A Mix Of Drought Development & Relief

Severe storm moving over the Texas Panhandle

What Is A Severe Thunderstorm?

(Image provided by Pixabay.com)

Sun Safety: Protect Your Skin During Spring

Featured image via Pixabay.com

Drought Impacts: It's More Than You Think!

Pile of hail after a hail storm hits Perth.

How Does Hail Form?

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide