Hourly Weather Forecast - Long Valley, SD

12 AM
22°F
0%
14mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
10°F
Dew Point
16°F
1 AM
22°F
0%
15mph
W
Mostly Cloudy
Humidity
76%
Feels like
10°F
Dew Point
16°F
2 AM
22°F
0%
15mph
W
Partly Cloudy
Humidity
75%
Feels like
9°F
Dew Point
16°F
3 AM
22°F
0%
14mph
W
Partly Cloudy
Humidity
74%
Feels like
9°F
Dew Point
15°F
4 AM
22°F
0%
14mph
WSW
Partly Cloudy
Humidity
73%
Feels like
9°F
Dew Point
15°F
5 AM
22°F
0%
15mph
WSW
Mostly Cloudy
Humidity
71%
Feels like
9°F
Dew Point
15°F
6 AM
24°F
0%
18mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
10°F
Dew Point
15°F
7 AM
25°F
0%
21mph
WSW
Windy
Humidity
65%
Feels like
11°F
Dew Point
15°F
7:12 AM
8 AM
26°F
0%
23mph
W
Windy
Humidity
62%
Feels like
12°F
Dew Point
15°F
9 AM
28°F
0%
24mph
WNW
Windy
Humidity
60%
Feels like
13°F
Dew Point
16°F
10 AM
29°F
0%
28mph
NW
Windy
Humidity
57%
Feels like
14°F
Dew Point
16°F
11 AM
30°F
0%
34mph
NW
Windy
Humidity
54%
Feels like
14°F
Dew Point
15°F
12 PM
30°F
0%
34mph
NW
Windy
Humidity
50%
Feels like
14°F
Dew Point
13°F
1 PM
29°F
0%
32mph
NW
Windy
Humidity
46%
Feels like
13°F
Dew Point
11°F
2 PM
28°F
0%
30mph
NW
Windy
Humidity
43%
Feels like
12°F
Dew Point
8°F
3 PM
25°F
0%
26mph
NW
Windy
Humidity
45%
Feels like
9°F
Dew Point
7°F
4 PM
22°F
0%
21mph
NW
Windy
Humidity
49%
Feels like
7°F
Dew Point
6°F
4:42 PM
5 PM
20°F
0%
17mph
NW
Clear
Humidity
53%
Feels like
5°F
Dew Point
5°F
6 PM
18°F
0%
14mph
NW
Clear
Humidity
56%
Feels like
3°F
Dew Point
5°F
7 PM
16°F
0%
13mph
NW
Clear
Humidity
58%
Feels like
2°F
Dew Point
4°F
8 PM
15°F
0%
12mph
WNW
Clear
Humidity
61%
Feels like
1°F
Dew Point
4°F
9 PM
14°F
0%
10mph
WNW
Clear
Humidity
63%
Feels like
1°F
Dew Point
4°F
10 PM
13°F
0%
9mph
W
Clear
Humidity
65%
Feels like
1°F
Dew Point
4°F
11 PM
13°F
0%
9mph
W
Clear
Humidity
65%
Feels like
1°F
Dew Point
4°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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