Hourly Weather Forecast - Gann Valley, SD

12 AM
35°F
10%
10mph
SSE
Partly Cloudy
Humidity
83%
Feels like
28°F
Dew Point
31°F
1 AM
34°F
0%
10mph
SSE
Partly Cloudy
Humidity
87%
Feels like
27°F
Dew Point
31°F
2 AM
33°F
0%
8mph
SSE
Partly Cloudy
Humidity
90%
Feels like
26°F
Dew Point
31°F
3 AM
33°F
0%
7mph
SE
Partly Cloudy
Humidity
93%
Feels like
26°F
Dew Point
31°F
4 AM
32°F
0%
6mph
SE
Partly Cloudy
Humidity
95%
Feels like
26°F
Dew Point
31°F
5 AM
31°F
0%
5mph
SE
Partly Cloudy
Humidity
96%
Feels like
26°F
Dew Point
30°F
6 AM
31°F
0%
4mph
ESE
Partly Cloudy
Humidity
97%
Feels like
27°F
Dew Point
30°F
7 AM
31°F
0%
4mph
ESE
Partly Cloudy
Humidity
98%
Feels like
27°F
Dew Point
30°F
7:10 AM
8 AM
32°F
0%
4mph
ESE
Cloudy
Humidity
98%
Feels like
28°F
Dew Point
31°F
9 AM
33°F
0%
4mph
ESE
Cloudy
Humidity
95%
Feels like
30°F
Dew Point
32°F
10 AM
37°F
0%
4mph
E
Cloudy
Humidity
87%
Feels like
34°F
Dew Point
33°F
11 AM
41°F
0%
4mph
ENE
Mostly Sunny
Humidity
77%
Feels like
39°F
Dew Point
34°F
12 PM
45°F
0%
4mph
NE
Sunny
Humidity
69%
Feels like
42°F
Dew Point
35°F
1 PM
48°F
0%
5mph
NE
Sunny
Humidity
63%
Feels like
46°F
Dew Point
36°F
2 PM
50°F
0%
5mph
NE
Sunny
Humidity
58%
Feels like
50°F
Dew Point
36°F
3 PM
51°F
0%
4mph
ENE
Sunny
Humidity
55%
Feels like
51°F
Dew Point
36°F
4 PM
51°F
0%
4mph
ENE
Sunny
Humidity
54%
Feels like
51°F
Dew Point
35°F
5 PM
51°F
0%
4mph
ENE
Sunny
Humidity
55%
Feels like
51°F
Dew Point
35°F
6 PM
49°F
0%
4mph
E
Sunny
Humidity
59%
Feels like
48°F
Dew Point
35°F
6:27 PM
7 PM
45°F
0%
4mph
ESE
Clear
Humidity
66%
Feels like
44°F
Dew Point
35°F
8 PM
41°F
0%
4mph
ESE
Clear
Humidity
75%
Feels like
39°F
Dew Point
34°F
9 PM
38°F
0%
3mph
ESE
Clear
Humidity
83%
Feels like
35°F
Dew Point
33°F
10 PM
36°F
0%
3mph
SE
Clear
Humidity
87%
Feels like
33°F
Dew Point
32°F
11 PM
35°F
0%
4mph
SE
Clear
Humidity
89%
Feels like
31°F
Dew Point
32°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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