Hourly Weather Forecast - Gann Valley, SD

12 AM
35°F
0%
5mph
NW
Mostly Clear
Humidity
85%
Feels like
31°F
Dew Point
31°F
1 AM
35°F
0%
5mph
NNW
Mostly Clear
Humidity
85%
Feels like
31°F
Dew Point
31°F
2 AM
35°F
0%
6mph
NNW
Clear
Humidity
85%
Feels like
30°F
Dew Point
31°F
3 AM
34°F
0%
6mph
NNW
Clear
Humidity
85%
Feels like
29°F
Dew Point
30°F
4 AM
33°F
0%
6mph
N
Clear
Humidity
86%
Feels like
27°F
Dew Point
29°F
5 AM
32°F
0%
6mph
N
Clear
Humidity
87%
Feels like
26°F
Dew Point
29°F
6 AM
31°F
10%
7mph
N
Clear
Humidity
88%
Feels like
25°F
Dew Point
28°F
7 AM
31°F
10%
7mph
N
Clear
Humidity
89%
Feels like
24°F
Dew Point
28°F
8 AM
31°F
0%
7mph
NNE
Clear
Humidity
89%
Feels like
24°F
Dew Point
28°F
8:09 AM
9 AM
31°F
0%
7mph
NNE
Mostly Sunny
Humidity
87%
Feels like
25°F
Dew Point
28°F
10 AM
34°F
0%
7mph
NE
Sunny
Humidity
82%
Feels like
28°F
Dew Point
29°F
11 AM
37°F
0%
7mph
NE
Sunny
Humidity
75%
Feels like
32°F
Dew Point
30°F
12 PM
40°F
0%
7mph
ENE
Sunny
Humidity
69%
Feels like
35°F
Dew Point
30°F
1 PM
41°F
0%
7mph
ENE
Sunny
Humidity
66%
Feels like
37°F
Dew Point
31°F
2 PM
42°F
0%
7mph
E
Sunny
Humidity
63%
Feels like
38°F
Dew Point
31°F
3 PM
42°F
0%
7mph
E
Sunny
Humidity
64%
Feels like
38°F
Dew Point
31°F
4 PM
40°F
0%
7mph
E
Sunny
Humidity
69%
Feels like
36°F
Dew Point
31°F
5 PM
37°F
0%
7mph
E
Sunny
Humidity
78%
Feels like
31°F
Dew Point
31°F
5:01 PM
6 PM
34°F
0%
7mph
ENE
Clear
Humidity
85%
Feels like
28°F
Dew Point
30°F
7 PM
32°F
0%
7mph
ENE
Clear
Humidity
89%
Feels like
26°F
Dew Point
29°F
8 PM
31°F
0%
8mph
E
Clear
Humidity
90%
Feels like
24°F
Dew Point
29°F
9 PM
30°F
0%
8mph
E
Hazy
Humidity
91%
Feels like
23°F
Dew Point
28°F
10 PM
30°F
0%
8mph
E
Hazy
Humidity
92%
Feels like
22°F
Dew Point
28°F
11 PM
30°F
0%
7mph
E
Hazy
Humidity
92%
Feels like
22°F
Dew Point
28°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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