Hourly Weather Forecast - Gann Valley, SD

12 AM
35°F
0%
28mph
NW
Windy
Humidity
52%
Feels like
22°F
Dew Point
19°F
1 AM
33°F
0%
26mph
NW
Windy
Humidity
55%
Feels like
20°F
Dew Point
19°F
2 AM
31°F
0%
24mph
NW
Windy
Humidity
58%
Feels like
18°F
Dew Point
18°F
3 AM
30°F
0%
21mph
NW
Windy
Humidity
61%
Feels like
17°F
Dew Point
18°F
4 AM
29°F
0%
18mph
NW
Cloudy
Humidity
63%
Feels like
16°F
Dew Point
18°F
5 AM
28°F
0%
16mph
NW
Cloudy
Humidity
65%
Feels like
16°F
Dew Point
17°F
6 AM
27°F
0%
14mph
NW
Cloudy
Humidity
66%
Feels like
15°F
Dew Point
17°F
7 AM
26°F
0%
12mph
NW
Cloudy
Humidity
67%
Feels like
15°F
Dew Point
17°F
7:52 AM
8 AM
26°F
0%
11mph
NNW
Cloudy
Humidity
67%
Feels like
16°F
Dew Point
16°F
9 AM
26°F
0%
10mph
NNW
Cloudy
Humidity
66%
Feels like
16°F
Dew Point
16°F
10 AM
27°F
10%
9mph
NNW
Cloudy
Humidity
64%
Feels like
18°F
Dew Point
16°F
11 AM
28°F
10%
8mph
NNW
Cloudy
Humidity
59%
Feels like
20°F
Dew Point
16°F
12 PM
31°F
20%
7mph
NNW
Cloudy
Humidity
53%
Feels like
24°F
Dew Point
15°F
1 PM
33°F
20%
5mph
NNW
Cloudy
Humidity
48%
Feels like
27°F
Dew Point
15°F
2 PM
34°F
20%
5mph
NW
Cloudy
Humidity
44%
Feels like
29°F
Dew Point
15°F
3 PM
35°F
20%
6mph
WNW
Cloudy
Humidity
42%
Feels like
30°F
Dew Point
15°F
4 PM
36°F
20%
5mph
WNW
Cloudy
Humidity
41%
Feels like
32°F
Dew Point
15°F
5 PM
37°F
10%
3mph
W
Cloudy
Humidity
41%
Feels like
37°F
Dew Point
15°F
6 PM
37°F
10%
2mph
ESE
Cloudy
Humidity
43%
Feels like
37°F
Dew Point
16°F
7 PM
36°F
10%
5mph
ESE
Cloudy
Humidity
46%
Feels like
32°F
Dew Point
17°F
7:39 PM
8 PM
35°F
10%
6mph
ESE
Cloudy
Humidity
50%
Feels like
29°F
Dew Point
18°F
9 PM
33°F
20%
7mph
E
Cloudy
Humidity
56%
Feels like
27°F
Dew Point
19°F
10 PM
32°F
30%
7mph
E
30% Chance Frozen Mix
Humidity
62%
Feels like
25°F
Dew Point
20°F
11 PM
31°F
40%
7mph
ESE
40% Chance Frozen Mix
Humidity
68%
Feels like
24°F
Dew Point
21°F

Today's Severe Weather Outlook

Severe Storms Continue To Wreak Havoc on East, Gulf Coasts

Multiple rounds of severe storms will form today from the Gulf Coast to the Mid-Atlantic.

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

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