Hourly Weather Forecast - Gann Valley, SD

12 AM
23°F
0%
14mph
SSE
Mostly Clear
Humidity
70%
Feels like
11°F
Dew Point
15°F
1 AM
23°F
0%
13mph
SSE
Partly Cloudy
Humidity
74%
Feels like
10°F
Dew Point
15°F
2 AM
22°F
0%
13mph
SSE
Partly Cloudy
Humidity
77%
Feels like
10°F
Dew Point
16°F
3 AM
22°F
0%
12mph
SSE
Partly Cloudy
Humidity
80%
Feels like
10°F
Dew Point
17°F
4 AM
22°F
0%
12mph
SSE
Partly Cloudy
Humidity
84%
Feels like
10°F
Dew Point
18°F
5 AM
22°F
0%
12mph
SSE
Partly Cloudy
Humidity
87%
Feels like
10°F
Dew Point
19°F
6 AM
22°F
0%
11mph
SSE
Partly Cloudy
Humidity
88%
Feels like
11°F
Dew Point
19°F
7 AM
23°F
0%
12mph
SSE
Partly Cloudy
Humidity
88%
Feels like
12°F
Dew Point
20°F
7:11 AM
8 AM
25°F
0%
13mph
SSE
Mostly Cloudy
Humidity
86%
Feels like
13°F
Dew Point
21°F
9 AM
27°F
0%
13mph
SSE
Cloudy
Humidity
82%
Feels like
16°F
Dew Point
22°F
10 AM
31°F
0%
14mph
SSE
Cloudy
Humidity
74%
Feels like
21°F
Dew Point
24°F
11 AM
36°F
0%
14mph
SSE
Cloudy
Humidity
65%
Feels like
27°F
Dew Point
25°F
12 PM
40°F
0%
15mph
SSE
Cloudy
Humidity
58%
Feels like
32°F
Dew Point
26°F
1 PM
42°F
10%
15mph
S
Cloudy
Humidity
54%
Feels like
35°F
Dew Point
27°F
2 PM
44°F
10%
15mph
S
Cloudy
Humidity
53%
Feels like
37°F
Dew Point
28°F
3 PM
45°F
10%
14mph
SSE
Cloudy
Humidity
53%
Feels like
39°F
Dew Point
29°F
4 PM
45°F
10%
13mph
SSE
Cloudy
Humidity
55%
Feels like
38°F
Dew Point
30°F
5 PM
43°F
10%
13mph
SSE
Cloudy
Humidity
59%
Feels like
37°F
Dew Point
30°F
6 PM
42°F
10%
13mph
SSE
Cloudy
Humidity
63%
Feels like
35°F
Dew Point
30°F
6:25 PM
7 PM
40°F
10%
12mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
33°F
Dew Point
31°F
8 PM
39°F
10%
11mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
31°F
9 PM
38°F
10%
10mph
SSE
Mostly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
31°F
10 PM
37°F
10%
10mph
SSE
Partly Cloudy
Humidity
79%
Feels like
30°F
Dew Point
31°F
11 PM
36°F
20%
11mph
SSE
Partly Cloudy
Humidity
82%
Feels like
29°F
Dew Point
31°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide