Hourly Weather Forecast - Sioux Falls, SD

12 AM
21°F
0%
5mph
N
Cloudy
Humidity
86%
Feels like
14°F
Dew Point
18°F
1 AM
21°F
0%
6mph
N
Cloudy
Humidity
86%
Feels like
13°F
Dew Point
17°F
2 AM
21°F
0%
6mph
N
Cloudy
Humidity
86%
Feels like
13°F
Dew Point
17°F
3 AM
21°F
0%
6mph
N
Cloudy
Humidity
85%
Feels like
13°F
Dew Point
17°F
4 AM
21°F
0%
6mph
N
Cloudy
Humidity
86%
Feels like
13°F
Dew Point
17°F
5 AM
20°F
0%
6mph
N
Cloudy
Humidity
87%
Feels like
12°F
Dew Point
17°F
6 AM
20°F
0%
6mph
N
Cloudy
Humidity
88%
Feels like
12°F
Dew Point
17°F
7 AM
20°F
0%
6mph
N
Cloudy
Humidity
88%
Feels like
11°F
Dew Point
17°F
8 AM
20°F
0%
6mph
NNE
Cloudy
Humidity
87%
Feels like
11°F
Dew Point
16°F
8:00 AM
9 AM
20°F
0%
6mph
NNE
Cloudy
Humidity
84%
Feels like
11°F
Dew Point
16°F
10 AM
20°F
0%
6mph
NNE
Cloudy
Humidity
82%
Feels like
12°F
Dew Point
15°F
11 AM
20°F
0%
5mph
NNE
Cloudy
Humidity
79%
Feels like
13°F
Dew Point
15°F
12 PM
21°F
0%
5mph
NNE
Cloudy
Humidity
75%
Feels like
15°F
Dew Point
15°F
1 PM
22°F
0%
5mph
NNE
Cloudy
Humidity
71%
Feels like
16°F
Dew Point
15°F
2 PM
23°F
0%
4mph
NNE
Cloudy
Humidity
67%
Feels like
18°F
Dew Point
14°F
3 PM
24°F
0%
4mph
NNE
Cloudy
Humidity
66%
Feels like
18°F
Dew Point
14°F
4 PM
23°F
0%
4mph
NE
Cloudy
Humidity
67%
Feels like
17°F
Dew Point
13°F
5 PM
21°F
0%
4mph
ENE
Cloudy
Humidity
72%
Feels like
16°F
Dew Point
14°F
5:01 PM
6 PM
20°F
0%
4mph
E
Mostly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
13°F
7 PM
19°F
0%
4mph
E
Mostly Cloudy
Humidity
78%
Feels like
12°F
Dew Point
13°F
8 PM
18°F
0%
5mph
ESE
Mostly Cloudy
Humidity
81%
Feels like
11°F
Dew Point
13°F
9 PM
18°F
0%
5mph
ESE
Mostly Cloudy
Humidity
82%
Feels like
11°F
Dew Point
13°F
10 PM
17°F
0%
5mph
ESE
Mostly Cloudy
Humidity
84%
Feels like
10°F
Dew Point
13°F
11 PM
17°F
0%
5mph
SE
Cloudy
Humidity
86%
Feels like
9°F
Dew Point
14°F

Tuesday's Weather Outlook

Today's Weather Outlook

Old Man Winter delivers plenty of cold and snow to the eastern third of the U.S. today.

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide