Hourly Weather Forecast - Gann Valley, SD

12 AM
42°F
0%
11mph
SSE
Clear
Humidity
78%
Feels like
35°F
Dew Point
36°F
1 AM
41°F
0%
11mph
SSE
Clear
Humidity
81%
Feels like
34°F
Dew Point
35°F
2 AM
40°F
0%
10mph
SSE
Clear
Humidity
83%
Feels like
33°F
Dew Point
35°F
3 AM
39°F
0%
10mph
SSE
Clear
Humidity
85%
Feels like
33°F
Dew Point
35°F
4 AM
38°F
0%
9mph
SSE
Clear
Humidity
86%
Feels like
32°F
Dew Point
34°F
5 AM
37°F
0%
9mph
SSE
Mostly Clear
Humidity
88%
Feels like
31°F
Dew Point
34°F
6 AM
37°F
0%
8mph
SSE
Mostly Clear
Humidity
87%
Feels like
31°F
Dew Point
34°F
7 AM
38°F
0%
9mph
SSE
Mostly Clear
Humidity
86%
Feels like
32°F
Dew Point
34°F
7:06 AM
8 AM
40°F
0%
10mph
SSE
Partly Cloudy
Humidity
83%
Feels like
33°F
Dew Point
35°F
9 AM
42°F
0%
11mph
SSE
Partly Cloudy
Humidity
78%
Feels like
36°F
Dew Point
36°F
10 AM
47°F
0%
12mph
SSE
Mostly Sunny
Humidity
69%
Feels like
41°F
Dew Point
37°F
11 AM
52°F
0%
13mph
SSE
Mostly Sunny
Humidity
58%
Feels like
52°F
Dew Point
37°F
12 PM
56°F
0%
13mph
SSE
Mostly Sunny
Humidity
49%
Feels like
56°F
Dew Point
37°F
1 PM
59°F
0%
14mph
S
Mostly Sunny
Humidity
44%
Feels like
59°F
Dew Point
37°F
2 PM
62°F
10%
14mph
S
Partly Cloudy
Humidity
40%
Feels like
62°F
Dew Point
37°F
3 PM
63°F
10%
14mph
SSE
Mostly Cloudy
Humidity
38%
Feels like
63°F
Dew Point
37°F
4 PM
63°F
10%
14mph
SSE
Cloudy
Humidity
39%
Feels like
63°F
Dew Point
37°F
5 PM
61°F
10%
13mph
SSE
Cloudy
Humidity
41%
Feels like
61°F
Dew Point
37°F
6 PM
59°F
20%
11mph
SSE
Cloudy
Humidity
44%
Feels like
59°F
Dew Point
37°F
6:29 PM
7 PM
56°F
20%
6mph
SE
Cloudy
Humidity
48%
Feels like
56°F
Dew Point
37°F
8 PM
53°F
20%
5mph
NE
Cloudy
Humidity
54%
Feels like
53°F
Dew Point
37°F
9 PM
51°F
20%
10mph
N
Cloudy
Humidity
59%
Feels like
51°F
Dew Point
37°F
10 PM
48°F
20%
12mph
N
Mostly Cloudy
Humidity
64%
Feels like
43°F
Dew Point
37°F
11 PM
46°F
20%
13mph
N
Mostly Cloudy
Humidity
69%
Feels like
40°F
Dew Point
37°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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