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Current weather in Sisseton is broken clouds.

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This page shows hourly weather forecast for Sisseton, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Sisseton updated regularly?

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

Now · 7:06 AM

Sisseton Weather & Hourly Forecast

United States · South Dakota · 57262

70°F

Mostly cloudy

Feels like: 75°F

💧 Humidity 98% 🌡 Pressure 29.80 inHg 💨 Wind 3 mph 👁 Visibility 11.5 mi ☁ Clouds 87% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Sisseton

Today

8:00 AM

Overcast

71° 💧 0.023 in 💨 3 mph H 98%29.83 inHg

11:00 AM

Mostly cloudy

78° 💧 0.000 in 💨 8 mph H 69%29.85 inHg

2:00 PM

Mostly cloudy

84° 💧 None 💨 12 mph H 24%29.85 inHg

5:00 PM

Partly cloudy

84° 💧 None 💨 15 mph H 23%29.85 inHg

8:00 PM

Clear night

75° 💧 None 💨 10 mph H 41%29.91 inHg

11:00 PM

Clear night

67° 💧 None 💨 6 mph H 58%29.97 inHg

Tomorrow

2:00 AM

Clear night

66° 💧 None 💨 5 mph H 62%29.97 inHg

5:00 AM

Clear night

66° 💧 None 💨 10 mph H 61%30.00 inHg

8:00 AM

Sunny

66° 💧 None 💨 10 mph H 61%30.03 inHg

11:00 AM

Sunny

72° 💧 None 💨 15 mph H 49%30.03 inHg

2:00 PM

Mostly cloudy

76° 💧 None 💨 16 mph H 39%30.03 inHg

5:00 PM

Sunny

76° 💧 None 💨 13 mph H 37%30.00 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 4 mph H 50%30.00 inHg

11:00 PM

Clear night

63° 💧 None 💨 4 mph H 61%30.03 inHg

Thursday

2:00 AM

Clear night

61° 💧 None 💨 3 mph H 68%30.03 inHg

5:00 AM

Clear night

58° 💧 None 💨 4 mph H 85%30.00 inHg

Today

8:00 AM

Overcast

71° 💧 0.001 in 💨 3 mph H 98%29.83 inHg

9:00 AM

Light rain

73° 💧 0.020 in 💨 9 mph H 96%29.83 inHg

10:00 AM

Mostly cloudy

73° 💧 0.002 in 💨 10 mph H 93%29.85 inHg

11:00 AM

Mostly cloudy

78° 💧 0.000 in 💨 8 mph H 69%29.85 inHg

12:00 PM

Mostly cloudy

82° 💧 None 💨 13 mph H 41%29.85 inHg

1:00 PM

Mostly cloudy

84° 💧 None 💨 13 mph H 26%29.85 inHg

2:00 PM

Mostly cloudy

84° 💧 None 💨 12 mph H 24%29.85 inHg

3:00 PM

Overcast

85° 💧 None 💨 13 mph H 22%29.85 inHg

4:00 PM

Mostly cloudy

84° 💧 None 💨 14 mph H 23%29.85 inHg

5:00 PM

Partly cloudy

84° 💧 None 💨 15 mph H 23%29.85 inHg

6:00 PM

Sunny

83° 💧 None 💨 14 mph H 27%29.85 inHg

7:00 PM

Sunny

79° 💧 None 💨 13 mph H 35%29.88 inHg

8:00 PM

Clear night

75° 💧 None 💨 10 mph H 41%29.91 inHg

9:00 PM

Clear night

72° 💧 None 💨 8 mph H 47%29.94 inHg

10:00 PM

Clear night

70° 💧 None 💨 8 mph H 52%29.97 inHg

11:00 PM

Clear night

67° 💧 None 💨 6 mph H 58%29.97 inHg

Tomorrow

12:00 AM

Clear night

67° 💧 None 💨 6 mph H 59%29.97 inHg

1:00 AM

Clear night

66° 💧 None 💨 5 mph H 61%29.97 inHg

2:00 AM

Clear night

66° 💧 None 💨 5 mph H 62%29.97 inHg

3:00 AM

Clear night

66° 💧 None 💨 6 mph H 62%29.97 inHg

4:00 AM

Clear night

67° 💧 None 💨 10 mph H 59%30.00 inHg

5:00 AM

Clear night

66° 💧 None 💨 10 mph H 61%30.00 inHg

6:00 AM

Clear night

64° 💧 None 💨 6 mph H 66%30.00 inHg

7:00 AM

Sunny

63° 💧 None 💨 6 mph H 67%29.97 inHg

8:00 AM

Sunny

66° 💧 None 💨 10 mph H 61%30.03 inHg

9:00 AM

Sunny

69° 💧 None 💨 12 mph H 55%30.03 inHg

10:00 AM

Sunny

70° 💧 None 💨 14 mph H 53%30.03 inHg

11:00 AM

Sunny

72° 💧 None 💨 15 mph H 49%30.03 inHg

12:00 PM

Mostly sunny

74° 💧 None 💨 17 mph H 44%30.06 inHg

1:00 PM

Partly cloudy

75° 💧 None 💨 17 mph H 42%30.03 inHg

2:00 PM

Mostly cloudy

76° 💧 None 💨 16 mph H 39%30.03 inHg

3:00 PM

Partly cloudy

76° 💧 None 💨 15 mph H 38%30.00 inHg

4:00 PM

Sunny

76° 💧 None 💨 15 mph H 38%30.00 inHg

5:00 PM

Sunny

76° 💧 None 💨 13 mph H 37%30.00 inHg

6:00 PM

Sunny

75° 💧 None 💨 12 mph H 36%30.00 inHg

7:00 PM

Sunny

74° 💧 None 💨 8 mph H 39%29.97 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 4 mph H 50%30.00 inHg

9:00 PM

Mostly clear night

66° 💧 None 💨 4 mph H 56%30.00 inHg

10:00 PM

Clear night

64° 💧 None 💨 4 mph H 59%30.03 inHg

11:00 PM

Clear night

63° 💧 None 💨 4 mph H 61%30.03 inHg

Thursday

12:00 AM

Clear night

63° 💧 None 💨 4 mph H 61%30.03 inHg

1:00 AM

Clear night

62° 💧 None 💨 3 mph H 64%30.03 inHg

2:00 AM

Clear night

61° 💧 None 💨 3 mph H 68%30.03 inHg

3:00 AM

Clear night

60° 💧 None 💨 4 mph H 74%30.00 inHg

4:00 AM

Clear night

59° 💧 None 💨 4 mph H 80%30.00 inHg

5:00 AM

Clear night

58° 💧 None 💨 4 mph H 85%30.00 inHg

6:00 AM

Clear night

57° 💧 None 💨 3 mph H 88%30.00 inHg

7:00 AM

Sunny

56° 💧 None 💨 4 mph H 89%30.00 inHg

8:00 AM

Sunny

60° 💧 None 💨 5 mph H 79%30.00 inHg

9:00 AM

Sunny

68° 💧 None 💨 4 mph H 60%30.00 inHg

10:00 AM

Sunny

73° 💧 None 💨 7 mph H 47%29.97 inHg

11:00 AM

Sunny

78° 💧 None 💨 8 mph H 37%29.97 inHg

12:00 PM

Mostly sunny

82° 💧 None 💨 9 mph H 29%29.94 inHg

1:00 PM

Sunny

84° 💧 None 💨 11 mph H 24%29.91 inHg

2:00 PM

Sunny

85° 💧 None 💨 11 mph H 24%29.88 inHg

3:00 PM

Sunny

85° 💧 None 💨 13 mph H 25%29.85 inHg

4:00 PM

Sunny

85° 💧 None 💨 14 mph H 26%29.85 inHg

5:00 PM

Sunny

84° 💧 None 💨 14 mph H 28%29.83 inHg

6:00 PM

Sunny

83° 💧 None 💨 15 mph H 31%29.80 inHg

7:00 PM

Sunny

81° 💧 None 💨 14 mph H 34%29.80 inHg

10:00 PM

Clear night

75° 💧 None 💨 15 mph H 45%29.77 inHg

Friday

1:00 AM

Clear night

72° 💧 None 💨 14 mph H 51%29.74 inHg

4:00 AM

Partly cloudy night

71° 💧 None 💨 12 mph H 55%29.68 inHg

7:00 AM

Mostly sunny

70° 💧 None 💨 12 mph H 56%29.65 inHg

10:00 AM

Mostly sunny

77° 💧 None 💨 11 mph H 46%29.62 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 11 mph H 42%29.53 inHg

4:00 PM

Sunny

89° 💧 None 💨 10 mph H 42%29.47 inHg

7:00 PM

Mostly sunny

87° 💧 None 💨 7 mph H 47%29.41 inHg

10:00 PM

Clear night

81° 💧 None 💨 8 mph H 57%29.41 inHg

Saturday

1:00 AM

Clear night

71° 💧 None 💨 11 mph H 76%29.53 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 18 mph H 78%29.71 inHg

7:00 AM

Clear night

58° 💧 None 💨 17 mph H 71%29.83 inHg

10:00 AM

Sunny

63° 💧 None 💨 16 mph H 54%29.91 inHg

1:00 PM

Partly cloudy

71° 💧 None 💨 16 mph H 35%29.94 inHg

4:00 PM

Mostly sunny

74° 💧 None 💨 15 mph H 29%29.94 inHg

7:00 PM

Sunny

69° 💧 None 💨 14 mph H 35%29.97 inHg

10:00 PM

Mostly clear night

59° 💧 None 💨 10 mph H 55%30.09 inHg

Sunday

1:00 AM

Mostly cloudy night

55° 💧 None 💨 5 mph H 65%30.12 inHg

4:00 AM

Partly cloudy night

52° 💧 None 💨 4 mph H 74%30.12 inHg

7:00 AM

Overcast night

51° 💧 None 💨 4 mph H 76%30.15 inHg

10:00 AM

Overcast

56° 💧 None 💨 3 mph H 65%30.18 inHg

1:00 PM

Mostly cloudy

61° 💧 None 💨 6 mph H 53%30.18 inHg

4:00 PM

Sunny

66° 💧 None 💨 4 mph H 45%30.09 inHg

7:00 PM

Mostly sunny

63° 💧 None 💨 8 mph H 50%30.06 inHg

Monday

1:00 AM

Overcast night

60° 💧 None 💨 9 mph H 65%30.06 inHg

7:00 AM

Light rain

56° 💧 None 💨 11 mph H 86%29.94 inHg

1:00 PM

Light rain

60° 💧 None 💨 6 mph H 77%29.85 inHg

7:00 PM

Sunny

68° 💧 None 💨 15 mph H 49%29.80 inHg

Tuesday

1:00 AM

Clear night

59° 💧 None 💨 14 mph H 65%29.94 inHg

7:00 AM

Clear night

54° 💧 None 💨 9 mph H 87%30.06 inHg

1:00 PM

Sunny

67° 💧 None 💨 8 mph H 41%30.12 inHg

7:00 PM

Sunny

68° 💧 None 💨 2 mph H 46%30.12 inHg

Wednesday

1:00 AM

Partly cloudy night

59° 💧 None 💨 2 mph H 73%30.21 inHg

7:00 AM

Overcast night

57° 💧 None 💨 6 mph H 75%30.27 inHg

1:00 PM

Sunny

72° 💧 None 💨 12 mph H 45%30.27 inHg

7:00 PM

Mostly sunny

70° 💧 None 💨 8 mph H 50%30.21 inHg

Thursday

1:00 AM

Partly cloudy night

59° 💧 None 💨 3 mph H 87%30.33 inHg

7:00 AM

Clear night

54° 💧 None 💨 10 mph H 95%30.45 inHg

1:00 PM

Sunny

67° 💧 None 💨 12 mph H 49%30.53 inHg

7:00 PM

Sunny

63° 💧 None 💨 10 mph H 43%30.53 inHg

Friday

1:00 AM

Clear night

49° 💧 None 💨 4 mph H 68%30.62 inHg

7:00 AM

Clear night

44° 💧 None 💨 0 mph H 89%30.62 inHg

1:00 PM

Sunny

65° 💧 None 💨 9 mph H 40%30.50 inHg

7:00 PM

Partly cloudy

67° 💧 None 💨 9 mph H 41%30.30 inHg

Saturday

1:00 AM

Clear night

58° 💧 None 💨 11 mph H 73%30.21 inHg

7:00 AM

Partly cloudy night

57° 💧 None 💨 14 mph H 68%30.03 inHg

1:00 PM

Mostly cloudy

75° 💧 None 💨 18 mph H 48%29.85 inHg

7:00 PM

Sunny

75° 💧 None 💨 12 mph H 53%29.77 inHg

Sunday

1:00 AM

Partly cloudy night

70° 💧 None 💨 12 mph H 66%29.77 inHg

7:00 AM

Clear night

64° 💧 None 💨 12 mph H 37%29.88 inHg

1:00 PM

Sunny

77° 💧 None 💨 14 mph H 31%29.91 inHg

7:00 PM

Sunny

74° 💧 None 💨 14 mph H 24%29.88 inHg

Monday

1:00 AM

Clear night

65° 💧 None 💨 11 mph H 41%29.97 inHg

7:00 AM

Clear night

59° 💧 None 💨 12 mph H 56%30.06 inHg

1:00 PM

Mostly cloudy

65° 💧 None 💨 17 mph H 46%30.12 inHg

7:00 PM

Sunny

69° 💧 None 💨 9 mph H 38%30.06 inHg

Tuesday

1:00 AM

Clear night

62° 💧 None 💨 9 mph H 56%30.06 inHg

7:00 AM

Clear night

62° 💧 None 💨 13 mph H 47%30.00 inHg

1:00 PM

Sunny

80° 💧 None 💨 12 mph H 27%29.94 inHg

7:00 PM

Sunny

79° 💧 None 💨 7 mph H 34%29.88 inHg

In Sisseton and, more broadly, across the state of South Dakota: This morning, expect mostly cloudy skies with temperatures starting around 68 degrees and gradually warming into the low 80s by afternoon. Winds will be coming from the northwest at moderate speeds, reaching up to 14 mph with gusts as high as 23 mph. No rain is expected throughout the day, so outdoor plans should be comfortable and dry. The overall weather remains mild to warm, making it a good day for outdoor activities. As the day progresses, the sky will stay mainly cloudy, but there are no indications of precipitation. The wind may cause a slight breeze, but it should not be disruptive. Temperatures will be pleasant, providing a comfortable atmosphere for most outdoor pursuits.

15-Day Weather Outlook for Sisseton

TomorrowTomorrow

Mostly sunny 79°/63° 💧 None 💨 17 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 85°/56° 💧 None 💨 15 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 89°/70° 💧 0.153 in 💨 15 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 87°/58° 💧 0.007 in 💨 18 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 69°/51° 💧 0.002 in 💨 14 mph

Monday, Sep 14Mon Sep 14

Light rain 63°/56° 💧 0.141 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Sunny 68°/54° 💧 0.003 in 💨 15 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 72°/57° 💧 0.001 in 💨 12 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 70°/54° 💧 0.006 in 💨 12 mph

Friday, Sep 18Fri Sep 18

Sunny 65°/44° 💧 None 💨 10 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 75°/57° 💧 None 💨 18 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 77°/64° 💧 None 💨 14 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 74°/59° 💧 None 💨 17 mph

Tuesday, Sep 22Tue Sep 22

Sunny 80°/62° 💧 0.001 in 💨 13 mph

Wednesday, Sep 23Wed Sep 23

Sunny 79°/79° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sisseton

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sisseton

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 2,3µg/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 2,4µg/m³

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

O₃ Ozone Good 49,8µg/m³

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

NO₂ Nitrogen dioxide Good 1,7µg/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 Sisseton

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 5,9Moderate 😊Good

Tomorrow UV 5,7Moderate 🙂Fair

Thursday UV 5,9Moderate 🙂Fair

Friday UV 5,6Moderate 🙂Fair

Saturday UV 7,0High 🙂Fair

Sunday UV 3,0Moderate —Unavailable

Monday UV 3,0Moderate —Unavailable

Hourly UV index today

8:00 AMUV 0,2 9:00 AMUV 0,9 10:00 AMUV 2,0 11:00 AMUV 3,5 12:00 PMUV 4,9 1:00 PMUV 5,5 2:00 PMUV 5,9 3:00 PMUV 5,1 4:00 PMUV 3,4 5:00 PMUV 1,9 6:00 PMUV 0,8 7:00 PMUV 0,2

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

Moderate UV risk

Sunglasses and sun protection are recommended for 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 Sisseton

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SISSETON, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:37 PM–5:15 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 83° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Sisseton were last refreshed today at 7:06 AM. The current forecast period extends through 10/09/2026 at 5:00 AM. 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.