Hourly Weather Forecast - Gann Valley, SD

8:06 AM
9 AM
15°F
70%
34mph
NW
70% Chance of Flurries
Humidity
68%
Feels like
-7°F
Dew Point
6°F
10 AM
14°F
30%
34mph
NW
30% Chance of Snow
Humidity
68%
Feels like
-8°F
Dew Point
5°F
11 AM
14°F
30%
34mph
NW
30% Chance of Snow
Humidity
68%
Feels like
-8°F
Dew Point
5°F
12 PM
14°F
30%
34mph
NW
30% Chance of Snow
Humidity
66%
Feels like
-7°F
Dew Point
5°F
1 PM
16°F
30%
33mph
NW
30% Chance Snow Showers
Humidity
61%
Feels like
-6°F
Dew Point
5°F
2 PM
17°F
0%
31mph
NW
Windy
Humidity
55%
Feels like
-3°F
Dew Point
4°F
3 PM
18°F
0%
29mph
NW
Windy
Humidity
51%
Feels like
-1°F
Dew Point
3°F
4 PM
18°F
0%
25mph
NW
Windy
Humidity
50%
Feels like
0°F
Dew Point
2°F
4:59 PM
5 PM
17°F
0%
21mph
NW
Windy
Humidity
50%
Feels like
0°F
Dew Point
2°F
6 PM
16°F
0%
17mph
NW
Clear
Humidity
50%
Feels like
0°F
Dew Point
1°F
7 PM
15°F
0%
15mph
NW
Clear
Humidity
52%
Feels like
0°F
Dew Point
1°F
8 PM
15°F
0%
13mph
NW
Clear
Humidity
54%
Feels like
1°F
Dew Point
1°F
9 PM
14°F
0%
10mph
NW
Clear
Humidity
56%
Feels like
1°F
Dew Point
1°F
10 PM
13°F
0%
8mph
NNW
Clear
Humidity
57%
Feels like
2°F
Dew Point
1°F
11 PM
13°F
0%
5mph
N
Mostly Clear
Humidity
59%
Feels like
4°F
Dew Point
1°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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