Hourly Weather Forecast - Sioux Falls, SD

12 AM
35°F
10%
9mph
NNW
Cloudy
Humidity
89%
Feels like
28°F
Dew Point
32°F
1 AM
35°F
10%
9mph
N
Cloudy
Humidity
87%
Feels like
27°F
Dew Point
31°F
2 AM
34°F
10%
9mph
N
Cloudy
Humidity
85%
Feels like
27°F
Dew Point
30°F
3 AM
34°F
10%
9mph
N
Cloudy
Humidity
84%
Feels like
27°F
Dew Point
29°F
4 AM
34°F
10%
9mph
N
Cloudy
Humidity
83%
Feels like
27°F
Dew Point
29°F
5 AM
33°F
10%
9mph
N
Cloudy
Humidity
85%
Feels like
26°F
Dew Point
29°F
6 AM
32°F
10%
9mph
NNE
Cloudy
Humidity
87%
Feels like
25°F
Dew Point
29°F
7 AM
32°F
10%
9mph
NE
Cloudy
Humidity
88%
Feels like
24°F
Dew Point
29°F
7:58 AM
8 AM
33°F
10%
8mph
E
Cloudy
Humidity
87%
Feels like
26°F
Dew Point
29°F
9 AM
34°F
10%
8mph
SE
Mostly Cloudy
Humidity
86%
Feels like
27°F
Dew Point
30°F
10 AM
36°F
20%
8mph
SSE
Mostly Cloudy
Humidity
82%
Feels like
30°F
Dew Point
31°F
11 AM
39°F
30%
8mph
S
30% Chance of Light Rain
Humidity
76%
Feels like
33°F
Dew Point
32°F
12 PM
41°F
30%
9mph
S
30% Chance of Light Rain
Humidity
70%
Feels like
35°F
Dew Point
32°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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