Hourly Weather Forecast - Keystone, SD

12 AM
0°F
20%
3mph
SSW
Cloudy
Humidity
76%
Feels like
-7°F
Dew Point
-6°F
1 AM
1°F
20%
3mph
SW
Cloudy
Humidity
74%
Feels like
1°F
Dew Point
-6°F
2 AM
2°F
20%
3mph
SW
Mostly Cloudy
Humidity
72%
Feels like
2°F
Dew Point
-5°F
3 AM
3°F
20%
3mph
SW
Mostly Cloudy
Humidity
70%
Feels like
3°F
Dew Point
-4°F
4 AM
5°F
20%
3mph
WSW
Mostly Cloudy
Humidity
66%
Feels like
5°F
Dew Point
-4°F
5 AM
5°F
20%
3mph
WSW
Mostly Cloudy
Humidity
65%
Feels like
5°F
Dew Point
-4°F
6 AM
5°F
10%
3mph
WSW
Mostly Cloudy
Humidity
55%
Feels like
-2°F
Dew Point
-8°F
7 AM
4°F
10%
4mph
WSW
Mostly Cloudy
Humidity
57%
Feels like
-3°F
Dew Point
-7°F
7:18 AM
8 AM
6°F
10%
3mph
SW
Mostly Cloudy
Humidity
53%
Feels like
-1°F
Dew Point
-7°F
9 AM
9°F
10%
2mph
SSW
Partly Cloudy
Humidity
50%
Feels like
9°F
Dew Point
-6°F
10 AM
12°F
10%
3mph
SSE
Partly Cloudy
Humidity
46%
Feels like
6°F
Dew Point
-5°F
11 AM
14°F
10%
4mph
SE
Mostly Sunny
Humidity
46%
Feels like
7°F
Dew Point
-3°F
12 PM
14°F
10%
4mph
E
Partly Cloudy
Humidity
47%
Feels like
8°F
Dew Point
-2°F
1 PM
14°F
10%
4mph
NE
Partly Cloudy
Humidity
49%
Feels like
8°F
Dew Point
-1°F
2 PM
14°F
10%
4mph
NNE
Partly Cloudy
Humidity
51%
Feels like
6°F
Dew Point
-1°F
3 PM
13°F
10%
4mph
NNE
Partly Cloudy
Humidity
54%
Feels like
5°F
Dew Point
-1°F
4 PM
12°F
10%
3mph
N
Partly Cloudy
Humidity
56%
Feels like
6°F
Dew Point
-1°F
4:52 PM
5 PM
11°F
10%
3mph
NW
Partly Cloudy
Humidity
61%
Feels like
11°F
Dew Point
0°F
6 PM
11°F
20%
3mph
WNW
Partly Cloudy
Humidity
64%
Feels like
11°F
Dew Point
1°F
7 PM
10°F
20%
3mph
W
Mostly Clear
Humidity
69%
Feels like
3°F
Dew Point
1°F
8 PM
9°F
20%
4mph
W
Clear
Humidity
73%
Feels like
1°F
Dew Point
2°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

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

Monday's Weather Outlook

Monday'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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