SIOUX FALLS, SD 57104 Weather Forecast & Current Conditions

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SIOUX FALLS, SD
Current Weather

9:56 PM CDT MAR 17, 2026
Overcast
27°F
Feels Like: 19°F
Dewpoint: 21°F
Rel. Hum.: 76%
Visibility: 10 miles
Wind: SE at 7 mph
Pressure: 29.76 inches
Last 72 hours

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SIOUX FALLS, SD 57104
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy with a slight chance of freezing rain this evening, then partly cloudy after midnight. Not as cool with lows in the mid 20s. South winds 15 to 20 mph with gusts up to 30 mph, becoming southwest 5 to 10 mph after midnight. Chance of precipitation 20 percent.
WEDNESDAY
Partly sunny in the morning, then becoming mostly cloudy. Not as cool with highs in the upper 40s. West winds 5 to 10 mph.
WEDNESDAY NIGHT
Mostly cloudy in the evening, then clearing. Not as cool with lows in the mid 30s. Southwest winds 5 to 10 mph, becoming west after midnight.
THURSDAY
Mostly sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 40. Southwest winds 5 to 10 mph.
FRIDAY
Mostly sunny. Warmer with highs in the upper 60s.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 40s.
SATURDAY
Mostly sunny. Highs in the upper 70s.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s.
SUNDAY
Partly sunny and breezy. Much cooler with highs around 50.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Cooler with lows in the mid 20s.
MONDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 40s.
MONDAY NIGHT
Mostly cloudy. Lows around 30.

Visible Weather Satellite
SIOUX FALLS, SD 57104
Infrared Weather Satellite
SIOUX FALLS, SD 57104
NEXRAD Weather Radar
SIOUX FALLS, SD 57104

SIOUX FALLS, SD 3 hourly weather forecast

weather forecast created  6:00 AM CST  3/17/2026
Tuesday
17 MAR 2026
SIOUX FALLS, SD 57104 weather forecast Day 1, 12 hours 12 PM 16° Mostly Cloudy 67%
SNOW
2.5–5 in
0% Thunder
( 1% severe)
S   18 78% 11°
High 28° SIOUX FALLS, SD 57104 weather forecast Day 1, 15 hours 3 PM 22° Mostly Cloudy S   18 75% 16°
Mostly Cloudy

Snow Likely

SIOUX FALLS, SD 57104 weather forecast Day 1, 18 hours 6 PM 27° 17° Mostly Cloudy 6%

0% Thunder
( 0% severe)
S   12 73% 20°
SIOUX FALLS, SD 57104 weather forecast Day 1, 21 hours 9 PM 25° 17° Partly Cloudy S   7 83% 21°
Wednesday
18 MAR 2026
SIOUX FALLS, SD 57104 weather forecast Day 2, 0 hours 12 AM 26° 19° Partly Cloudy 2%

0% Thunder
( 0% severe)
WSW   6 87% 23°
Low 21° SIOUX FALLS, SD 57104 weather forecast Day 2, 3 hours 3 AM 28° 22° Mostly Cloudy W   6 92% 26°
High 49° SIOUX FALLS, SD 57104 weather forecast Day 2, 6 hours 6 AM 29° 23° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WNW   6 96% 28°

Mostly Cloudy



SIOUX FALLS, SD 57104 weather forecast Day 2, 9 hours 9 AM 34° 29° Mostly Cloudy W   6 96% 33°
SIOUX FALLS, SD 57104 weather forecast Day 2, 12 hours 12 PM 41° 36° Mostly Cloudy 3%

0% Thunder
( 0% severe)
W   8 86% 37°
SIOUX FALLS, SD 57104 weather forecast Day 2, 15 hours 3 PM 48° 44° Mostly Cloudy WSW   8 74% 40°
SIOUX FALLS, SD 57104 weather forecast Day 2, 18 hours 6 PM 47° 44° Mostly Cloudy 1%

0% Thunder
( 1% severe)
SSW   6 80% 41°
SIOUX FALLS, SD 57104 weather forecast Day 2, 21 hours 9 PM 43° 40° Mostly Cloudy SSW   5 82% 38°
Thursday
19 MAR 2026
SIOUX FALLS, SD 57104 weather forecast Day 3, 0 hours 12 AM 41° 37° Partly Cloudy 0%

0% Thunder
( 1% severe)
W   6 82% 36°
Low 34° SIOUX FALLS, SD 57104 weather forecast Day 3, 3 hours 3 AM 39° 35° Partly Cloudy NW   6 85% 35°
High 59° SIOUX FALLS, SD 57104 weather forecast Day 3, 6 hours 6 AM 37° 32° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   6 89% 34°

Partly Cloudy



SIOUX FALLS, SD 57104 weather forecast Day 3, 9 hours 9 AM 41° 37° Partly Cloudy NNW   6 86% 37°
SIOUX FALLS, SD 57104 weather forecast Day 3, 15 hours 12 PM 51° 48° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   7 71% 42°
SIOUX FALLS, SD 57104 weather forecast Day 3, 18 hours 3 PM 58° 56° Partly Cloudy W   9 57% 43°
SIOUX FALLS, SD 57104 weather forecast Day 3, 21 hours 6 PM 55° 54° Partly Cloudy     SSW   6 66% 44°

SIOUX FALLS, SD extended weather forecast

Friday
20 MAR 2026
Saturday
21 MAR 2026
Sunday
22 MAR 2026
Monday
23 MAR 2026
Tuesday
24 MAR 2026
Low 44° Low 49° Low 36° Low 25° Low 29°
High 76° High 85° High 52° High 48° High 50°
SIOUX FALLS, SD 57104 weather forecast Day 4 SIOUX FALLS, SD 57104 weather forecast Day 5 SIOUX FALLS, SD 57104 weather forecast Day 6 SIOUX FALLS, SD 57104 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Clear
8% Rain
Clear
8% Rain
Clear
11% Rain
Clear
12% Rain/Snow
Mostly Cloudy
34% Rain
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