Hourly Weather Forecast - Gann Valley, SD

12 AM
34°F
0%
5mph
SE
Clear
Humidity
90%
Feels like
30°F
Dew Point
31°F
1 AM
33°F
0%
5mph
SSE
Hazy
Humidity
92%
Feels like
29°F
Dew Point
31°F
2 AM
32°F
0%
5mph
SSE
Hazy
Humidity
93%
Feels like
28°F
Dew Point
30°F
3 AM
31°F
0%
5mph
S
Hazy
Humidity
94%
Feels like
27°F
Dew Point
30°F
4 AM
31°F
0%
5mph
S
Hazy
Humidity
95%
Feels like
25°F
Dew Point
29°F
5 AM
30°F
0%
5mph
S
Hazy
Humidity
96%
Feels like
24°F
Dew Point
29°F
6 AM
30°F
0%
6mph
S
Hazy
Humidity
96%
Feels like
24°F
Dew Point
29°F
7 AM
31°F
0%
6mph
S
Hazy
Humidity
95%
Feels like
25°F
Dew Point
30°F
7:08 AM
8 AM
32°F
0%
7mph
S
Hazy
Humidity
94%
Feels like
26°F
Dew Point
31°F
9 AM
35°F
0%
8mph
SSE
Sunny
Humidity
90%
Feels like
28°F
Dew Point
32°F
10 AM
40°F
0%
9mph
S
Sunny
Humidity
80%
Feels like
33°F
Dew Point
34°F
11 AM
46°F
0%
11mph
S
Sunny
Humidity
68%
Feels like
40°F
Dew Point
36°F
12 PM
51°F
0%
12mph
S
Sunny
Humidity
58%
Feels like
51°F
Dew Point
37°F
1 PM
54°F
0%
13mph
S
Sunny
Humidity
51%
Feels like
54°F
Dew Point
36°F
2 PM
56°F
0%
13mph
S
Sunny
Humidity
45%
Feels like
56°F
Dew Point
36°F
3 PM
58°F
0%
13mph
S
Sunny
Humidity
42%
Feels like
58°F
Dew Point
35°F
4 PM
58°F
0%
12mph
SSE
Sunny
Humidity
41%
Feels like
58°F
Dew Point
34°F
5 PM
56°F
0%
11mph
SSE
Sunny
Humidity
43%
Feels like
56°F
Dew Point
34°F
6 PM
55°F
0%
11mph
SSE
Sunny
Humidity
46%
Feels like
55°F
Dew Point
34°F
6:28 PM
7 PM
52°F
0%
11mph
SE
Clear
Humidity
53%
Feels like
52°F
Dew Point
35°F
8 PM
48°F
0%
12mph
SE
Clear
Humidity
61%
Feels like
43°F
Dew Point
35°F
9 PM
45°F
0%
12mph
SE
Clear
Humidity
68%
Feels like
39°F
Dew Point
35°F
10 PM
43°F
0%
12mph
SE
Clear
Humidity
73%
Feels like
37°F
Dew Point
35°F
11 PM
42°F
0%
12mph
SSE
Clear
Humidity
77%
Feels like
36°F
Dew Point
35°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

Monday'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

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