Hourly Weather Forecast - Marion, SD

12 AM
29°F
20%
11mph
SSE
Mostly Cloudy
Humidity
77%
Feels like
20°F
Dew Point
23°F
1 AM
29°F
20%
11mph
SSE
Mostly Cloudy
Humidity
76%
Feels like
20°F
Dew Point
23°F
2 AM
30°F
10%
11mph
SSE
Partly Cloudy
Humidity
74%
Feels like
20°F
Dew Point
22°F
3 AM
30°F
10%
12mph
SSE
Partly Cloudy
Humidity
73%
Feels like
20°F
Dew Point
22°F
4 AM
30°F
10%
12mph
SSE
Mostly Clear
Humidity
73%
Feels like
20°F
Dew Point
22°F
5 AM
29°F
0%
12mph
SSE
Mostly Clear
Humidity
72%
Feels like
19°F
Dew Point
22°F
6 AM
29°F
0%
12mph
SSE
Mostly Clear
Humidity
72%
Feels like
19°F
Dew Point
22°F
7 AM
29°F
10%
12mph
SSE
Mostly Clear
Humidity
73%
Feels like
19°F
Dew Point
22°F
7:58 AM
8 AM
30°F
10%
13mph
SSE
Mostly Sunny
Humidity
75%
Feels like
20°F
Dew Point
23°F
9 AM
31°F
10%
13mph
SSE
Mostly Sunny
Humidity
75%
Feels like
21°F
Dew Point
24°F
10 AM
33°F
10%
13mph
SSE
Mostly Sunny
Humidity
73%
Feels like
23°F
Dew Point
25°F
11 AM
36°F
10%
13mph
S
Mostly Sunny
Humidity
70%
Feels like
27°F
Dew Point
27°F
12 PM
38°F
10%
13mph
S
Mostly Sunny
Humidity
68%
Feels like
30°F
Dew Point
28°F
1 PM
40°F
10%
13mph
S
Mostly Sunny
Humidity
67%
Feels like
32°F
Dew Point
30°F
2 PM
41°F
10%
13mph
S
Mostly Sunny
Humidity
67%
Feels like
34°F
Dew Point
31°F
3 PM
42°F
10%
12mph
S
Sunny
Humidity
68%
Feels like
35°F
Dew Point
32°F
4 PM
41°F
10%
11mph
S
Mostly Sunny
Humidity
72%
Feels like
34°F
Dew Point
33°F
4:56 PM
5 PM
39°F
0%
11mph
SSE
Mostly Clear
Humidity
79%
Feels like
32°F
Dew Point
33°F
6 PM
37°F
0%
10mph
SSE
Partly Cloudy
Humidity
84%
Feels like
30°F
Dew Point
33°F
7 PM
36°F
0%
9mph
SSE
Partly Cloudy
Humidity
86%
Feels like
29°F
Dew Point
33°F
8 PM
36°F
0%
9mph
S
Partly Cloudy
Humidity
87%
Feels like
29°F
Dew Point
32°F
9 PM
35°F
0%
9mph
S
Partly Cloudy
Humidity
87%
Feels like
29°F
Dew Point
32°F
10 PM
35°F
0%
9mph
S
Mostly Clear
Humidity
88%
Feels like
29°F
Dew Point
32°F
11 PM
35°F
0%
8mph
S
Mostly Clear
Humidity
89%
Feels like
29°F
Dew Point
32°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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