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Current weather in Sioux Falls is overcast clouds.

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Weather data for Sioux Falls is updated regularly with the latest available observations and forecasts.

Now · 6:15 PM

Sioux Falls Weather & Hourly Forecast

United States · South Dakota · 57104

61°F

Overcast

Feels like: 56°F

💧 Humidity 72% 🌡 Pressure 30.24 inHg 💨 Wind 9 mph 👁 Visibility 24.9 mi ☁ Clouds 100% ☀️ UV index 0.4 · Low 🌅 Sunrise 7:13 AM 🌇 Sunset 7:25 PM

Hourly Forecast for Sioux Falls

Today

7:00 PM

Overcast

60° 💧 None 💨 8 mph H 75%30.24 inHg

10:00 PM

Overcast night

58° 💧 0.001 in 💨 8 mph H 83%30.30 inHg

Tomorrow

1:00 AM

Mostly cloudy night

57° 💧 0.000 in 💨 9 mph H 87%30.30 inHg

4:00 AM

Partly cloudy night

55° 💧 None 💨 8 mph H 91%30.30 inHg

7:00 AM

Overcast night

55° 💧 None 💨 9 mph H 91%30.30 inHg

10:00 AM

Overcast

59° 💧 None 💨 12 mph H 82%30.33 inHg

1:00 PM

Mostly cloudy

64° 💧 None 💨 14 mph H 68%30.30 inHg

4:00 PM

Overcast

66° 💧 None 💨 14 mph H 67%30.24 inHg

7:00 PM

Mostly cloudy

63° 💧 None 💨 11 mph H 74%30.21 inHg

10:00 PM

Mostly cloudy night

61° 💧 None 💨 10 mph H 77%30.24 inHg

Thursday

1:00 AM

Overcast night

60° 💧 0.028 in 💨 11 mph H 78%30.24 inHg

4:00 AM

Light rain

57° 💧 0.151 in 💨 11 mph H 92%30.21 inHg

7:00 AM

Light rain

56° 💧 0.279 in 💨 10 mph H 94%30.21 inHg

10:00 AM

Light rain

57° 💧 0.069 in 💨 11 mph H 95%30.21 inHg

1:00 PM

Light rain

60° 💧 0.014 in 💨 12 mph H 90%30.21 inHg

4:00 PM

Overcast

61° 💧 0.005 in 💨 12 mph H 88%30.18 inHg

Today

7:00 PM

Overcast

60° 💧 None 💨 8 mph H 75%30.24 inHg

8:00 PM

Overcast night

59° 💧 None 💨 9 mph H 76%30.24 inHg

9:00 PM

Overcast night

58° 💧 None 💨 8 mph H 78%30.27 inHg

10:00 PM

Overcast night

58° 💧 0.001 in 💨 8 mph H 83%30.30 inHg

11:00 PM

Overcast night

57° 💧 0.000 in 💨 9 mph H 86%30.30 inHg

Tomorrow

12:00 AM

Overcast night

57° 💧 None 💨 9 mph H 86%30.30 inHg

1:00 AM

Mostly cloudy night

57° 💧 None 💨 9 mph H 87%30.30 inHg

2:00 AM

Mostly cloudy night

56° 💧 0.000 in 💨 9 mph H 87%30.30 inHg

3:00 AM

Partly cloudy night

56° 💧 None 💨 8 mph H 89%30.30 inHg

4:00 AM

Partly cloudy night

55° 💧 None 💨 8 mph H 91%30.30 inHg

5:00 AM

Mostly cloudy night

55° 💧 None 💨 8 mph H 91%30.30 inHg

6:00 AM

Overcast night

55° 💧 None 💨 9 mph H 90%30.30 inHg

7:00 AM

Overcast night

55° 💧 None 💨 9 mph H 91%30.30 inHg

8:00 AM

Overcast

56° 💧 None 💨 10 mph H 89%30.30 inHg

9:00 AM

Overcast

57° 💧 None 💨 10 mph H 86%30.30 inHg

10:00 AM

Overcast

59° 💧 None 💨 12 mph H 82%30.33 inHg

11:00 AM

Overcast

61° 💧 None 💨 12 mph H 77%30.30 inHg

12:00 PM

Overcast

62° 💧 None 💨 13 mph H 73%30.30 inHg

1:00 PM

Mostly cloudy

64° 💧 None 💨 14 mph H 68%30.30 inHg

2:00 PM

Overcast

65° 💧 None 💨 14 mph H 67%30.27 inHg

3:00 PM

Overcast

66° 💧 None 💨 15 mph H 67%30.24 inHg

4:00 PM

Overcast

66° 💧 None 💨 14 mph H 67%30.24 inHg

5:00 PM

Overcast

65° 💧 None 💨 14 mph H 68%30.24 inHg

6:00 PM

Overcast

65° 💧 None 💨 13 mph H 70%30.21 inHg

7:00 PM

Mostly cloudy

63° 💧 None 💨 11 mph H 74%30.21 inHg

8:00 PM

Overcast night

62° 💧 None 💨 11 mph H 75%30.24 inHg

9:00 PM

Overcast night

62° 💧 None 💨 11 mph H 76%30.24 inHg

10:00 PM

Mostly cloudy night

61° 💧 None 💨 10 mph H 77%30.24 inHg

11:00 PM

Mostly cloudy night

60° 💧 None 💨 10 mph H 79%30.24 inHg

Thursday

12:00 AM

Overcast night

60° 💧 None 💨 11 mph H 78%30.24 inHg

1:00 AM

Overcast night

60° 💧 0.003 in 💨 11 mph H 78%30.24 inHg

2:00 AM

Light rain

58° 💧 0.004 in 💨 11 mph H 82%30.24 inHg

3:00 AM

Light rain

57° 💧 0.020 in 💨 12 mph H 88%30.21 inHg

4:00 AM

Light rain

57° 💧 0.063 in 💨 11 mph H 92%30.21 inHg

5:00 AM

Light rain

57° 💧 0.041 in 💨 10 mph H 93%30.21 inHg

6:00 AM

Light rain

57° 💧 0.047 in 💨 10 mph H 93%30.21 inHg

7:00 AM

Light rain

56° 💧 0.068 in 💨 10 mph H 94%30.21 inHg

8:00 AM

Moderate rain

57° 💧 0.109 in 💨 10 mph H 94%30.21 inHg

9:00 AM

Moderate rain

57° 💧 0.102 in 💨 11 mph H 95%30.21 inHg

10:00 AM

Light rain

57° 💧 0.044 in 💨 11 mph H 95%30.21 inHg

11:00 AM

Light rain

58° 💧 0.016 in 💨 10 mph H 95%30.21 inHg

12:00 PM

Light rain

59° 💧 0.009 in 💨 13 mph H 91%30.21 inHg

1:00 PM

Light rain

60° 💧 0.005 in 💨 12 mph H 90%30.21 inHg

2:00 PM

Light rain

61° 💧 0.005 in 💨 12 mph H 86%30.21 inHg

3:00 PM

Overcast

60° 💧 0.004 in 💨 12 mph H 88%30.18 inHg

4:00 PM

Overcast

61° 💧 0.002 in 💨 12 mph H 88%30.18 inHg

5:00 PM

Overcast

61° 💧 0.001 in 💨 11 mph H 88%30.15 inHg

6:00 PM

Overcast

61° 💧 0.002 in 💨 10 mph H 88%30.18 inHg

7:00 PM

Overcast

60° 💧 0.002 in 💨 8 mph H 92%30.18 inHg

8:00 PM

Overcast night

60° 💧 0.001 in 💨 8 mph H 93%30.18 inHg

9:00 PM

Overcast night

60° 💧 0.001 in 💨 8 mph H 93%30.18 inHg

10:00 PM

Overcast night

60° 💧 0.001 in 💨 8 mph H 93%30.21 inHg

11:00 PM

Overcast night

60° 💧 0.001 in 💨 8 mph H 93%30.21 inHg

Friday

12:00 AM

Overcast night

60° 💧 0.001 in 💨 8 mph H 94%30.21 inHg

1:00 AM

Overcast night

60° 💧 None 💨 8 mph H 94%30.18 inHg

2:00 AM

Overcast night

60° 💧 0.001 in 💨 8 mph H 94%30.18 inHg

3:00 AM

Overcast night

59° 💧 0.002 in 💨 9 mph H 95%30.18 inHg

4:00 AM

Overcast night

59° 💧 0.001 in 💨 9 mph H 95%30.18 inHg

5:00 AM

Overcast night

59° 💧 None 💨 9 mph H 94%30.15 inHg

6:00 AM

Overcast night

59° 💧 None 💨 9 mph H 93%30.18 inHg

7:00 AM

Light rain

59° 💧 0.017 in 💨 9 mph H 94%30.18 inHg

10:00 AM

Overcast

60° 💧 None 💨 13 mph H 89%30.18 inHg

1:00 PM

Light rain

64° 💧 None 💨 15 mph H 79%30.12 inHg

4:00 PM

Light rain

65° 💧 None 💨 12 mph H 83%30.06 inHg

7:00 PM

Overcast

64° 💧 None 💨 13 mph H 83%30.00 inHg

10:00 PM

Light rain

63° 💧 None 💨 14 mph H 88%30.00 inHg

Saturday

1:00 AM

Light rain

62° 💧 None 💨 13 mph H 96%29.94 inHg

4:00 AM

Light rain

63° 💧 None 💨 10 mph H 97%29.91 inHg

7:00 AM

Overcast night

63° 💧 None 💨 10 mph H 98%29.88 inHg

10:00 AM

Overcast

65° 💧 None 💨 10 mph H 97%29.88 inHg

1:00 PM

Light rain

69° 💧 None 💨 12 mph H 88%29.85 inHg

4:00 PM

Overcast

75° 💧 None 💨 13 mph H 73%29.80 inHg

7:00 PM

Mostly sunny

72° 💧 None 💨 8 mph H 84%29.83 inHg

10:00 PM

Clear night

67° 💧 None 💨 7 mph H 93%29.88 inHg

Sunday

1:00 AM

Clear night

66° 💧 None 💨 6 mph H 96%29.88 inHg

4:00 AM

Clear night

64° 💧 None 💨 4 mph H 99%29.88 inHg

7:00 AM

Overcast night

62° 💧 None 💨 3 mph H 100%29.91 inHg

10:00 AM

Overcast

67° 💧 None 💨 6 mph H 94%29.91 inHg

1:00 PM

Overcast

76° 💧 None 💨 8 mph H 76%29.91 inHg

4:00 PM

Mostly cloudy

81° 💧 None 💨 9 mph H 63%29.85 inHg

7:00 PM

Partly cloudy

75° 💧 None 💨 5 mph H 83%29.85 inHg

10:00 PM

Mostly cloudy night

72° 💧 None 💨 7 mph H 89%29.85 inHg

Monday

1:00 AM

Mostly cloudy night

69° 💧 None 💨 7 mph H 93%29.85 inHg

4:00 AM

Clear night

67° 💧 None 💨 6 mph H 97%29.83 inHg

7:00 AM

Light thunderstorms

64° 💧 None 💨 4 mph H 99%29.85 inHg

1:00 PM

Mostly sunny

74° 💧 None 💨 13 mph H 79%29.80 inHg

7:00 PM

Partly cloudy

74° 💧 None 💨 11 mph H 79%29.68 inHg

Tuesday

1:00 AM

Moderate rain

63° 💧 None 💨 9 mph H 95%29.74 inHg

7:00 AM

Moderate rain

61° 💧 None 💨 12 mph H 96%29.74 inHg

1:00 PM

Light rain

60° 💧 None 💨 13 mph H 83%29.80 inHg

7:00 PM

Mostly cloudy

62° 💧 None 💨 11 mph H 66%29.83 inHg

Wednesday

1:00 AM

Clear night

54° 💧 None 💨 9 mph H 68%29.88 inHg

7:00 AM

Clear night

47° 💧 None 💨 8 mph H 80%29.91 inHg

1:00 PM

Sunny

64° 💧 None 💨 6 mph H 52%29.88 inHg

7:00 PM

Sunny

59° 💧 None 💨 4 mph H 70%29.83 inHg

Thursday

1:00 AM

Mostly clear night

52° 💧 None 💨 4 mph H 88%29.85 inHg

7:00 AM

Light rain

57° 💧 None 💨 3 mph H 92%29.80 inHg

1:00 PM

Partly cloudy

68° 💧 None 💨 9 mph H 68%29.77 inHg

7:00 PM

Partly cloudy

64° 💧 None 💨 4 mph H 78%29.74 inHg

Friday

1:00 AM

Mostly cloudy night

57° 💧 None 💨 14 mph H 68%29.83 inHg

7:00 AM

Clear night

51° 💧 None 💨 11 mph H 71%29.85 inHg

1:00 PM

Partly cloudy

62° 💧 None 💨 20 mph H 44%29.71 inHg

7:00 PM

Heavy rain

53° 💧 None 💨 16 mph H 77%29.62 inHg

Saturday

1:00 AM

Overcast night

52° 💧 None 💨 13 mph H 85%29.65 inHg

7:00 AM

Overcast night

51° 💧 None 💨 17 mph H 85%29.71 inHg

1:00 PM

Overcast

55° 💧 None 💨 20 mph H 65%29.80 inHg

7:00 PM

Overcast

52° 💧 None 💨 14 mph H 73%29.91 inHg

Sunday

1:00 AM

Mostly clear night

47° 💧 None 💨 10 mph H 77%30.00 inHg

7:00 AM

Mostly clear night

44° 💧 None 💨 5 mph H 87%30.06 inHg

1:00 PM

Overcast

53° 💧 None 💨 7 mph H 64%30.06 inHg

7:00 PM

Sunny

51° 💧 None 💨 4 mph H 76%30.00 inHg

Monday

1:00 AM

Clear night

43° 💧 None 💨 4 mph H 92%30.09 inHg

7:00 AM

Partly cloudy night

40° 💧 None 💨 4 mph H 94%30.09 inHg

1:00 PM

Partly cloudy

56° 💧 None 💨 7 mph H 64%30.06 inHg

7:00 PM

Mostly cloudy

55° 💧 None 💨 9 mph H 71%29.97 inHg

Tuesday

1:00 AM

Overcast night

48° 💧 None 💨 9 mph H 84%30.03 inHg

7:00 AM

Overcast night

48° 💧 None 💨 11 mph H 80%30.03 inHg

1:00 PM

Light rain

50° 💧 None 💨 11 mph H 90%30.00 inHg

7:00 PM

Overcast

50° 💧 None 💨 15 mph H 90%29.97 inHg

Wednesday

1:00 AM

Overcast night

51° 💧 None 💨 14 mph H 86%29.94 inHg

7:00 AM

Moderate rain

50° 💧 None 💨 14 mph H 94%29.91 inHg

In Sioux Falls and, more broadly, across the state of South Dakota: This morning will start with mostly cloudy skies and cool temperatures around 52 to 56 degrees Fahrenheit. Winds will be coming from the east at about 10 mph, with gusts reaching up to 17 mph. There is a possibility of light rain throughout the day, with total accumulation around 0.16 inches. As the afternoon progresses, the cloudy conditions are expected to persist, and the chance of rain remains high. Temperatures are likely to stay in the same cool range, and breezes from the east will continue at similar speeds. Overall, it will be a damp, breezy day with limited sunshine. Be prepared for possible showers if you're heading outdoors.

15-Day Weather Outlook for Sioux Falls

TomorrowTomorrow

Overcast 66°/55° 💧 None 💨 15 mph

Thursday, Sep 24Thu Sep 24

Overcast 61°/56° 💧 None 💨 13 mph

Friday, Sep 25Fri Sep 25

Light rain 65°/59° 💧 0.694 in 💨 15 mph

Saturday, Sep 26Sat Sep 26

Light rain 75°/62° 💧 0.455 in 💨 13 mph

Sunday, Sep 27Sun Sep 27

Overcast 81°/62° 💧 0.004 in 💨 9 mph

Monday, Sep 28Mon Sep 28

Light thunderstorms 74°/64° 💧 0.849 in 💨 13 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 63°/60° 💧 1.302 in 💨 13 mph

Wednesday, Sep 30Wed Sep 30

Sunny 64°/47° 💧 None 💨 9 mph

Thursday, Oct 1Thu Oct 1

Light rain 68°/52° 💧 0.018 in 💨 9 mph

Friday, Oct 2Fri Oct 2

Heavy rain 62°/51° 💧 0.076 in 💨 20 mph

Saturday, Oct 3Sat Oct 3

Overcast 55°/51° 💧 0.102 in 💨 20 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 53°/44° 💧 None 💨 10 mph

Monday, Oct 5Mon Oct 5

Partly cloudy 56°/40° 💧 None 💨 9 mph

Tuesday, Oct 6Tue Oct 6

Light rain 50°/48° 💧 0.139 in 💨 15 mph

Wednesday, Oct 7Wed Oct 7

Moderate rain 51°/50° 💧 0.125 in 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sioux Falls

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sioux Falls

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 2,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 52,1µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Sioux Falls

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 2,8Low 😊Good

Tomorrow UV 4,0Moderate 🙂Fair

Thursday UV 1,1Low 🙂Fair

Friday UV 1,3Low 🙂Fair

Saturday UV 1,6Low 🙂Fair

Sunday UV 4,0Moderate —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Sioux Falls

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SIOUX FALLS, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

68/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:00 PM–5:39 AM

☁ Cloud cover 39% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon about 7° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 54° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min34%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Sioux Falls were last refreshed today at 6:15 PM. The current forecast period extends through 24/09/2026 at 4:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.