Hourly Weather Forecast - Union Center, SD

12 AM
35°F
0%
4mph
NE
Clear
Humidity
78%
Feels like
32°F
Dew Point
29°F
1 AM
35°F
0%
5mph
E
Mostly Clear
Humidity
78%
Feels like
30°F
Dew Point
29°F
2 AM
35°F
10%
8mph
ESE
Mostly Clear
Humidity
78%
Feels like
28°F
Dew Point
28°F
3 AM
34°F
10%
9mph
ESE
Mostly Clear
Humidity
79%
Feels like
26°F
Dew Point
28°F
4 AM
33°F
10%
9mph
ESE
Mostly Clear
Humidity
80%
Feels like
25°F
Dew Point
27°F
5 AM
32°F
10%
9mph
ESE
Partly Cloudy
Humidity
82%
Feels like
24°F
Dew Point
27°F
6 AM
31°F
10%
9mph
ESE
Partly Cloudy
Humidity
84%
Feels like
24°F
Dew Point
27°F
7 AM
31°F
10%
10mph
ESE
Partly Cloudy
Humidity
86%
Feels like
23°F
Dew Point
28°F
7:26 AM
8 AM
32°F
10%
10mph
ESE
Partly Cloudy
Humidity
86%
Feels like
23°F
Dew Point
28°F
9 AM
34°F
10%
11mph
SE
Partly Cloudy
Humidity
83%
Feels like
26°F
Dew Point
29°F
10 AM
37°F
0%
12mph
SE
Mostly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
30°F
11 AM
39°F
0%
13mph
SE
Cloudy
Humidity
73%
Feels like
31°F
Dew Point
31°F
12 PM
41°F
0%
13mph
SE
Mostly Cloudy
Humidity
68%
Feels like
34°F
Dew Point
31°F
1 PM
42°F
0%
12mph
SE
Partly Cloudy
Humidity
64%
Feels like
36°F
Dew Point
31°F
2 PM
43°F
0%
12mph
ESE
Mostly Cloudy
Humidity
62%
Feels like
36°F
Dew Point
31°F
3 PM
41°F
0%
11mph
ESE
Mostly Cloudy
Humidity
65%
Feels like
35°F
Dew Point
30°F
4 PM
39°F
0%
11mph
ESE
Cloudy
Humidity
70%
Feels like
32°F
Dew Point
30°F
4:14 PM
5 PM
37°F
0%
11mph
ESE
Cloudy
Humidity
75%
Feels like
29°F
Dew Point
29°F
6 PM
35°F
0%
10mph
ESE
Cloudy
Humidity
78%
Feels like
27°F
Dew Point
29°F
7 PM
34°F
0%
9mph
ESE
Cloudy
Humidity
80%
Feels like
26°F
Dew Point
28°F
8 PM
33°F
0%
9mph
ESE
Cloudy
Humidity
82%
Feels like
26°F
Dew Point
28°F
9 PM
33°F
0%
9mph
ESE
Cloudy
Humidity
83%
Feels like
25°F
Dew Point
28°F
10 PM
33°F
0%
9mph
SE
Cloudy
Humidity
83%
Feels like
25°F
Dew Point
28°F
11 PM
33°F
0%
9mph
SE
Cloudy
Humidity
82%
Feels like
25°F
Dew Point
28°F

Forecast Peak Wind Gusts Today

Clipper System Blasts Central, Eastern U.S. With Winter Impacts

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

NOAA, NCDC

White Christmas? What Are The Odds

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide