Hourly Weather Forecast - Keystone, SD

12 AM
40°F
0%
8mph
WNW
Clear
Humidity
51%
Feels like
35°F
Dew Point
24°F
1 AM
41°F
0%
9mph
WNW
Clear
Humidity
47%
Feels like
35°F
Dew Point
22°F
2 AM
42°F
0%
10mph
WNW
Clear
Humidity
44%
Feels like
36°F
Dew Point
22°F
3 AM
42°F
0%
12mph
WNW
Mostly Clear
Humidity
41%
Feels like
35°F
Dew Point
20°F
4 AM
43°F
0%
14mph
WNW
Partly Cloudy
Humidity
37%
Feels like
36°F
Dew Point
18°F
5 AM
43°F
0%
16mph
WNW
Partly Cloudy
Humidity
35%
Feels like
35°F
Dew Point
17°F
6 AM
43°F
0%
17mph
NW
Partly Cloudy
Humidity
34%
Feels like
35°F
Dew Point
16°F
7 AM
43°F
0%
17mph
NW
Partly Cloudy
Humidity
36%
Feels like
35°F
Dew Point
17°F
7:25 AM
8 AM
44°F
0%
18mph
NW
Partly Cloudy
Humidity
35%
Feels like
36°F
Dew Point
18°F
9 AM
46°F
0%
17mph
NW
Mostly Sunny
Humidity
34%
Feels like
38°F
Dew Point
19°F
10 AM
47°F
0%
17mph
NW
Sunny
Humidity
29%
Feels like
41°F
Dew Point
17°F
11 AM
48°F
0%
16mph
NW
Sunny
Humidity
27%
Feels like
42°F
Dew Point
16°F
12 PM
48°F
0%
16mph
NW
Sunny
Humidity
27%
Feels like
42°F
Dew Point
15°F
1 PM
46°F
0%
17mph
NNW
Mostly Sunny
Humidity
27%
Feels like
39°F
Dew Point
14°F
2 PM
43°F
10%
17mph
NNW
Partly Cloudy
Humidity
30%
Feels like
35°F
Dew Point
14°F
3 PM
38°F
10%
17mph
NNW
Partly Cloudy
Humidity
37%
Feels like
29°F
Dew Point
14°F
4 PM
35°F
20%
17mph
NW
Partly Cloudy
Humidity
42%
Feels like
25°F
Dew Point
14°F
4:41 PM
5 PM
33°F
20%
16mph
NW
Partly Cloudy
Humidity
46%
Feels like
22°F
Dew Point
14°F
6 PM
32°F
10%
17mph
NW
Partly Cloudy
Humidity
44%
Feels like
21°F
Dew Point
13°F
7 PM
30°F
0%
20mph
NW
Mostly Clear
Humidity
43%
Feels like
17°F
Dew Point
11°F
8 PM
29°F
0%
21mph
NW
Windy
Humidity
42%
Feels like
15°F
Dew Point
9°F
9 PM
28°F
0%
21mph
NW
Windy
Humidity
43%
Feels like
14°F
Dew Point
8°F
10 PM
27°F
0%
22mph
NW
Windy
Humidity
44%
Feels like
12°F
Dew Point
8°F
11 PM
26°F
0%
23mph
NW
Windy
Humidity
44%
Feels like
12°F
Dew Point
7°F

Wednesday's Weather Outlook

Wednesday's Weather Outlook

It will be a tale of two seasons on Wednesday, with cold, wintry weather in the East and dry, spring-like weather in the West.

(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

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

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