New York, NY 83° Los Angeles, CA 68° 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ 🌤️ Seattle, WA 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 64°
WeatherLive › South Dakota › Sioux Falls

Sioux Falls, SD Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSioux Falls · 12:36 PM CDT
81° | 69°
78°F
Feels like 85°
Mostly cloudy
+2° vs. normal — warmer than usual for this time of year
WindNW 3 mph · Gusts 4 mph
Precip64% · 0.04 in
Humidity89% · Dew point 75°
UV index5 Moderate
Air Quality41 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:31 AM · 8:30 PM · 13h 59m

Weather map — Sioux Falls

Full radar →
Now
78°
29%
3 mph
13:00
71°
0.04 in
3 mph
14:00
71°
28%
0 mph
15:00
73°
15%
1 mph
16:00
79°
6%
3 mph
17:00
81°
4%
7 mph
18:00
80°
5%
7 mph
19:00
80°
5%
6 mph
20:00
77°
6%
4 mph
21:00
74°
9%
5 mph
22:00
73°
10%
6 mph
23:00
71°
12%
7 mph
00:00
70°
14%
7 mph
01:00
70°
13%
7 mph
02:00
69°
11%
8 mph
03:00
67°
6%
8 mph
04:00
67°
4%
9 mph
05:00
65°
5%
9 mph
06:00
64°
6%
8 mph
07:00
63°
7%
8 mph
08:00
67°
6%
8 mph
09:00
71°
4%
10 mph
10:00
76°
2%
10 mph
11:00
79°
1%
11 mph

Today · Sat 8/15

High 81°
64% / 0.04 in

Mostly cloudy. Winds SE at 9 mph.

Tonight · Sat 8/15

Low 63°
9% / –

Sunny. Winds W at 5 mph.

Tomorrow · Sun 8/16

88° | 63°
2% / –

Sunny. Winds NE at 11 mph.

7-day trend

Sioux Falls · temperature + precipitation

10-day forecast

Updated 12:36 PM

Details & indices

Wind
3 mph NW
Gusts 4 mph
Humidity
89%
Dew point 75°
Pressure
30.03 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Good
AQI 41 · US EPA
Allergy
High
Ragweed
Visibility
6 mi
Reduced
Allergy — Sioux Falls

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
Moderate

Sun & moon

Sunrise6:31 AM
Sunset8:30 PM
Length of day13h 59m
Moonrise9:58 AM
Moonset9:46 PM
Moon phase🌒 Waxing Crescent · 11%
Next full moonAug 27 Sturgeon Moon
Latitude43.5437°N
Longitude-96.7280°E

Water temps nearby

View all →
No beaches within 50 miles
🌦️Dry now — rain moving in around 1:15 PM (39 min)
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
1991-2020 climate normals — Sioux Falls

Monthly normals

Full climate page →
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max (°F) 27° 30° 46° 57° 71° 83° 84° 82° 77° 60° 45° 34°
Min (°F) 12° 12° 26° 35° 50° 63° 65° 64° 58° 43° 29° 19°
Precip (in) 0.9 0.8 2.5 3.4 4.1 4.4 2.6 3.2 1.9 2.3 1.3 1.6
Warmest: Jul · ⌀ 84°F Coldest: Jan · ⌀ 12°F Wettest: Jun · 4.4 in
Data sources · Saturday, August 15
Where the Sioux Falls forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 43.5437°N, -96.7280°.
NBM + global weather models
Updated: 12:36 PM
ZIP codes in Sioux Falls
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57055
Sioux Falls
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57101
Sioux Falls
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57103
Sioux Falls
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57104
Sioux Falls
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57105
Sioux Falls
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57106
Sioux Falls
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57107
Sioux Falls
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57108
Sioux Falls
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57109
Sioux Falls
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57110
Sioux Falls
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57117
Sioux Falls
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57118
Sioux Falls
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57186
Sioux Falls
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57193
Sioux Falls
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57197
Sioux Falls
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57198
Sioux Falls
Weather in Sioux Falls
Over the next 10 days Sioux Falls tops out around 94° (Sunday) and dips to 61° on the coolest night (Thursday). Models drop roughly 0.74 in of precipitation across the stretch — watch Tuesday (80%). Expect a blustery spell — gusts near 30 mph on Sunday. No watches or warnings are active for the area right now. Right now Sioux Falls is running about 8° warmer than Eden Prairie. Longer view: four full seasons with serious winter and real summer heat.
Sioux Falls, SD · Elev 1,470 ft · 43.54°N, 96.73°W · South Dakota · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 12:36 PM