Hourly Weather Forecast - Sioux Falls, SD

12 AM
18°F
0%
17mph
SSW
Partly Cloudy
Humidity
69%
Feels like
3°F
Dew Point
9°F
1 AM
18°F
0%
15mph
SSW
Partly Cloudy
Humidity
70%
Feels like
4°F
Dew Point
10°F
2 AM
18°F
0%
13mph
SSW
Partly Cloudy
Humidity
73%
Feels like
5°F
Dew Point
11°F
3 AM
18°F
0%
11mph
SSW
Partly Cloudy
Humidity
77%
Feels like
5°F
Dew Point
12°F
4 AM
17°F
0%
9mph
SSW
Partly Cloudy
Humidity
80%
Feels like
6°F
Dew Point
13°F
5 AM
18°F
0%
8mph
SW
Partly Cloudy
Humidity
80%
Feels like
8°F
Dew Point
13°F
6 AM
19°F
0%
7mph
SW
Partly Cloudy
Humidity
81%
Feels like
9°F
Dew Point
14°F
7 AM
19°F
0%
6mph
WSW
Partly Cloudy
Humidity
81%
Feels like
11°F
Dew Point
14°F
7:53 AM
8 AM
20°F
0%
6mph
WSW
Mostly Sunny
Humidity
80%
Feels like
12°F
Dew Point
15°F
9 AM
22°F
0%
6mph
W
Mostly Sunny
Humidity
79%
Feels like
14°F
Dew Point
16°F
10 AM
25°F
0%
6mph
W
Mostly Sunny
Humidity
78%
Feels like
17°F
Dew Point
19°F
11 AM
28°F
0%
7mph
W
Mostly Sunny
Humidity
78%
Feels like
21°F
Dew Point
22°F
12 PM
31°F
0%
7mph
WNW
Mostly Sunny
Humidity
77%
Feels like
24°F
Dew Point
24°F
1 PM
32°F
0%
7mph
WNW
Mostly Sunny
Humidity
76%
Feels like
26°F
Dew Point
25°F
2 PM
32°F
0%
6mph
WNW
Mostly Sunny
Humidity
77%
Feels like
26°F
Dew Point
26°F
3 PM
32°F
0%
6mph
W
Mostly Sunny
Humidity
79%
Feels like
26°F
Dew Point
26°F
4 PM
30°F
0%
5mph
W
Mostly Sunny
Humidity
79%
Feels like
25°F
Dew Point
25°F
4:50 PM
5 PM
29°F
0%
5mph
W
Mostly Clear
Humidity
80%
Feels like
23°F
Dew Point
23°F
6 PM
27°F
0%
4mph
W
Mostly Clear
Humidity
81%
Feels like
21°F
Dew Point
22°F
7 PM
25°F
0%
4mph
WSW
Mostly Clear
Humidity
82%
Feels like
20°F
Dew Point
20°F
8 PM
23°F
0%
4mph
SW
Mostly Clear
Humidity
84%
Feels like
18°F
Dew Point
19°F
9 PM
22°F
0%
4mph
SSW
Clear
Humidity
84%
Feels like
16°F
Dew Point
18°F
10 PM
22°F
0%
5mph
SSW
Clear
Humidity
84%
Feels like
15°F
Dew Point
18°F
11 PM
22°F
0%
6mph
SSW
Clear
Humidity
84%
Feels like
15°F
Dew Point
18°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

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

Cold Air Damming - Cause And Effects

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