Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 5°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Wednesday
17th Dec
5

-4

3

1
Thursday
18th Dec
3

-13

2

1
Friday
19th Dec
-2

-14

3

1
Saturday
20th Dec
0

-6

2

0
Sunday
21st Dec
1

-7

0

1

5-day weather forecast updated at 04:01 on Wednesday 17th December 2025 GMT

More about Sioux Falls

Sioux Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Dakota

Marriott: Hotel deals & packages

Sale

Save on your next trip with deals & packages
Includes hotel, flight, cars & more packages
Discover Bangkok, Sydney, Toronto & beyond

Go to Marriott deal >>

View all Marriott offers

The 5-day weather forecast for South Dakota (Sioux Falls) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Sioux Falls weather forecast by day

Below are the detailed weather forecasts for Sioux Falls for the next 5 days.

Sioux Falls weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Sioux Falls, South Dakota with a maximum temperature of 5°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 92% chance of some rain and a fresh breeze of 35 kph from the south.

5
°C maximum temperature
-4
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
92
% chance of some rain
<5
mm of rainfall expected
0
°C wind chill
35
kph wind from S

Sioux Falls weather for Thursday 18th December 2025

Expect mostly cloudy with light snow in Sioux Falls, South Dakota with a maximum temperature of 3°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 14% chance of some snow and a strong breeze of 50 kph from the north-west.

3
°C maximum temperature
-13
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
1
UV index (Low)
14
% chance of some snow
<2
cm of snow expected
-4
°C wind chill
50
kph wind from NW

Sioux Falls weather for Friday 19th December 2025

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of -2°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 28 kph from the south.

-2
°C maximum temperature
-14
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-9
°C wind chill
28
kph wind from S

Sioux Falls weather for Saturday 20th December 2025

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 0°C and 2 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 22 kph from the north-west.

0
°C maximum temperature
-6
°C minimum temperature
broken clouds
2
hours of sunshine
0
UV index (None)
0
cm of snow expected
-5
°C wind chill
22
kph wind from NW

Sioux Falls weather for Sunday 21st December 2025

Expect overcast skies in Sioux Falls, South Dakota with a maximum temperature of 1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.