Hourly Weather Forecast - Marion, SD

12 AM
22°F
10%
5mph
WNW
Cloudy
Humidity
67%
Feels like
15°F
Dew Point
13°F
1 AM
22°F
20%
5mph
W
Cloudy
Humidity
69%
Feels like
15°F
Dew Point
13°F
2 AM
22°F
20%
5mph
SW
Mostly Cloudy
Humidity
70%
Feels like
14°F
Dew Point
13°F
3 AM
22°F
20%
6mph
SW
Mostly Cloudy
Humidity
71%
Feels like
14°F
Dew Point
14°F
4 AM
22°F
10%
6mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
14°F
Dew Point
14°F
5 AM
22°F
10%
6mph
S
Cloudy
Humidity
73%
Feels like
14°F
Dew Point
15°F
6 AM
22°F
10%
7mph
S
Cloudy
Humidity
74%
Feels like
13°F
Dew Point
15°F
7 AM
22°F
10%
7mph
SSE
Cloudy
Humidity
74%
Feels like
13°F
Dew Point
15°F
7:58 AM
8 AM
22°F
10%
7mph
SSE
Cloudy
Humidity
74%
Feels like
13°F
Dew Point
15°F
9 AM
23°F
10%
8mph
SSE
Cloudy
Humidity
73%
Feels like
14°F
Dew Point
15°F
10 AM
24°F
10%
9mph
SSE
Cloudy
Humidity
70%
Feels like
15°F
Dew Point
16°F
11 AM
26°F
20%
9mph
SSE
Cloudy
Humidity
66%
Feels like
17°F
Dew Point
17°F
12 PM
28°F
20%
10mph
SSE
Cloudy
Humidity
63%
Feels like
19°F
Dew Point
17°F
1 PM
29°F
20%
11mph
SSE
Cloudy
Humidity
61%
Feels like
20°F
Dew Point
17°F
2 PM
29°F
10%
11mph
SSE
Cloudy
Humidity
60%
Feels like
20°F
Dew Point
17°F
3 PM
29°F
10%
11mph
SSE
Cloudy
Humidity
61%
Feels like
20°F
Dew Point
18°F
4 PM
29°F
10%
10mph
SSE
Cloudy
Humidity
64%
Feels like
20°F
Dew Point
18°F
4:55 PM
5 PM
28°F
10%
9mph
SE
Cloudy
Humidity
69%
Feels like
19°F
Dew Point
19°F
6 PM
27°F
10%
9mph
SE
Cloudy
Humidity
73%
Feels like
18°F
Dew Point
19°F
7 PM
26°F
20%
9mph
SE
Cloudy
Humidity
75%
Feels like
17°F
Dew Point
20°F
8 PM
26°F
20%
9mph
SE
Cloudy
Humidity
77%
Feels like
17°F
Dew Point
20°F
9 PM
26°F
20%
9mph
SE
Cloudy
Humidity
78%
Feels like
17°F
Dew Point
20°F
10 PM
26°F
10%
10mph
SE
Cloudy
Humidity
79%
Feels like
16°F
Dew Point
20°F
11 PM
26°F
10%
10mph
SE
Cloudy
Humidity
79%
Feels like
16°F
Dew Point
20°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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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