Hourly Weather Forecast - Long Valley, SD

12 AM
13°F
0%
9mph
W
Clear
Humidity
65%
Feels like
1°F
Dew Point
4°F
1 AM
13°F
0%
8mph
W
Clear
Humidity
64%
Feels like
2°F
Dew Point
3°F
2 AM
13°F
0%
8mph
WSW
Clear
Humidity
63%
Feels like
2°F
Dew Point
3°F
3 AM
13°F
0%
8mph
W
Clear
Humidity
63%
Feels like
2°F
Dew Point
3°F
4 AM
13°F
0%
8mph
W
Clear
Humidity
62%
Feels like
2°F
Dew Point
3°F
5 AM
13°F
0%
8mph
W
Clear
Humidity
62%
Feels like
2°F
Dew Point
3°F
6 AM
13°F
0%
8mph
W
Clear
Humidity
62%
Feels like
2°F
Dew Point
3°F
7 AM
13°F
0%
8mph
WNW
Clear
Humidity
63%
Feels like
2°F
Dew Point
3°F
7:11 AM
8 AM
14°F
0%
9mph
WNW
Sunny
Humidity
62%
Feels like
3°F
Dew Point
4°F
9 AM
17°F
0%
10mph
NW
Sunny
Humidity
58%
Feels like
5°F
Dew Point
5°F
10 AM
20°F
0%
12mph
NW
Sunny
Humidity
54%
Feels like
7°F
Dew Point
6°F
11 AM
22°F
0%
14mph
NNW
Sunny
Humidity
50%
Feels like
10°F
Dew Point
6°F
12 PM
24°F
10%
15mph
NNW
Sunny
Humidity
47%
Feels like
11°F
Dew Point
6°F
1 PM
24°F
10%
15mph
NNW
Sunny
Humidity
45%
Feels like
11°F
Dew Point
6°F
2 PM
24°F
10%
16mph
NNW
Sunny
Humidity
46%
Feels like
11°F
Dew Point
6°F
3 PM
21°F
10%
15mph
N
Sunny
Humidity
49%
Feels like
8°F
Dew Point
5°F
4 PM
18°F
0%
14mph
N
Sunny
Humidity
55%
Feels like
4°F
Dew Point
4°F
4:43 PM
5 PM
15°F
0%
14mph
N
Clear
Humidity
60%
Feels like
0°F
Dew Point
3°F
6 PM
12°F
0%
13mph
NNE
Mostly Clear
Humidity
65%
Feels like
-3°F
Dew Point
3°F
7 PM
10°F
10%
12mph
NNE
Partly Cloudy
Humidity
69%
Feels like
-4°F
Dew Point
2°F
8 PM
9°F
10%
11mph
NNE
Mostly Cloudy
Humidity
72%
Feels like
-6°F
Dew Point
2°F
9 PM
7°F
10%
11mph
NNE
Mostly Cloudy
Humidity
74%
Feels like
-8°F
Dew Point
1°F
10 PM
6°F
30%
10mph
NNE
30 % Chance of Heavy Snow
Humidity
75%
Feels like
-9°F
Dew Point
-1°F
11 PM
4°F
20%
9mph
NNE
Mostly Cloudy
Humidity
76%
Feels like
-10°F
Dew Point
-2°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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