Hourly Weather Forecast - Keystone, SD

12 AM
30°F
10%
9mph
NW
Mostly Clear
Humidity
45%
Feels like
22°F
Dew Point
11°F
1 AM
29°F
10%
9mph
NW
Clear
Humidity
44%
Feels like
21°F
Dew Point
10°F
2 AM
29°F
10%
9mph
NW
Clear
Humidity
46%
Feels like
20°F
Dew Point
10°F
3 AM
27°F
10%
9mph
NW
Clear
Humidity
50%
Feels like
18°F
Dew Point
11°F
4 AM
27°F
10%
8mph
NW
Clear
Humidity
52%
Feels like
19°F
Dew Point
12°F
5 AM
26°F
10%
8mph
NW
Clear
Humidity
56%
Feels like
18°F
Dew Point
13°F
6 AM
26°F
10%
7mph
NW
Clear
Humidity
55%
Feels like
18°F
Dew Point
12°F
7 AM
25°F
10%
7mph
NW
Clear
Humidity
56%
Feels like
17°F
Dew Point
11°F
7:21 AM
8 AM
26°F
10%
6mph
WNW
Sunny
Humidity
52%
Feels like
19°F
Dew Point
11°F
9 AM
29°F
10%
6mph
WNW
Sunny
Humidity
47%
Feels like
23°F
Dew Point
12°F
10 AM
33°F
10%
6mph
NW
Sunny
Humidity
40%
Feels like
28°F
Dew Point
11°F
11 AM
36°F
10%
5mph
WNW
Sunny
Humidity
35%
Feels like
32°F
Dew Point
11°F

Snow Forecast through Saturday

Multiple Snowy Systems Hit Great Lakes, Northeast

As one disturbance exits New England tonight, another will be quick on its heels in the Great Lakes on Friday.

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

(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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