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Current weather in Iroquois is overcast clouds.

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

Now · 11:02 PM

Iroquois Weather & Hourly Forecast

United States · South Dakota · 57353

58°F

Overcast night

Feels like: 52°F

💧 Humidity 78% 🌡 Pressure 30.27 inHg 💨 Wind 12 mph 👁 Visibility 26.5 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:17 AM 🌇 Sunset 7:30 PM

Hourly Forecast for Iroquois

Tomorrow

12:00 AM

Overcast night

58° 💧 None 💨 12 mph H 79%30.27 inHg

3:00 AM

Partly cloudy night

55° 💧 None 💨 12 mph H 92%30.27 inHg

6:00 AM

Mostly clear night

55° 💧 0.002 in 💨 11 mph H 92%30.24 inHg

9:00 AM

Overcast

56° 💧 0.004 in 💨 12 mph H 90%30.27 inHg

12:00 PM

Overcast

61° 💧 None 💨 16 mph H 79%30.24 inHg

3:00 PM

Overcast

65° 💧 0.002 in 💨 17 mph H 71%30.18 inHg

6:00 PM

Overcast

65° 💧 0.042 in 💨 14 mph H 74%30.18 inHg

9:00 PM

Light thunderstorms

61° 💧 0.091 in 💨 13 mph H 87%30.18 inHg

Thursday

12:00 AM

Overcast night

61° 💧 0.056 in 💨 15 mph H 81%30.18 inHg

3:00 AM

Light rain

59° 💧 0.225 in 💨 15 mph H 91%30.15 inHg

6:00 AM

Light rain

58° 💧 0.040 in 💨 15 mph H 94%30.12 inHg

9:00 AM

Overcast

60° 💧 None 💨 15 mph H 91%30.15 inHg

12:00 PM

Overcast

63° 💧 None 💨 14 mph H 82%30.15 inHg

3:00 PM

Overcast

65° 💧 None 💨 11 mph H 79%30.12 inHg

6:00 PM

Overcast

64° 💧 0.001 in 💨 8 mph H 82%30.12 inHg

9:00 PM

Overcast night

61° 💧 0.004 in 💨 9 mph H 89%30.15 inHg

Tomorrow

12:00 AM

Overcast night

58° 💧 None 💨 12 mph H 79%30.27 inHg

1:00 AM

Mostly clear night

57° 💧 None 💨 12 mph H 82%30.27 inHg

2:00 AM

Mostly clear night

56° 💧 None 💨 11 mph H 89%30.27 inHg

3:00 AM

Partly cloudy night

55° 💧 None 💨 12 mph H 92%30.27 inHg

4:00 AM

Overcast night

55° 💧 None 💨 12 mph H 91%30.24 inHg

5:00 AM

Partly cloudy night

56° 💧 None 💨 12 mph H 89%30.24 inHg

6:00 AM

Mostly clear night

55° 💧 None 💨 11 mph H 92%30.24 inHg

7:00 AM

Overcast night

55° 💧 0.001 in 💨 12 mph H 93%30.27 inHg

8:00 AM

Overcast

56° 💧 0.001 in 💨 13 mph H 90%30.27 inHg

9:00 AM

Overcast

56° 💧 0.003 in 💨 12 mph H 90%30.27 inHg

10:00 AM

Overcast

58° 💧 0.001 in 💨 16 mph H 86%30.27 inHg

11:00 AM

Overcast

59° 💧 0.001 in 💨 16 mph H 82%30.24 inHg

12:00 PM

Overcast

61° 💧 None 💨 16 mph H 79%30.24 inHg

1:00 PM

Overcast

63° 💧 None 💨 17 mph H 73%30.24 inHg

2:00 PM

Overcast

64° 💧 None 💨 17 mph H 72%30.21 inHg

3:00 PM

Overcast

65° 💧 None 💨 17 mph H 71%30.18 inHg

4:00 PM

Overcast

66° 💧 0.002 in 💨 17 mph H 69%30.18 inHg

5:00 PM

Overcast

66° 💧 None 💨 17 mph H 69%30.15 inHg

6:00 PM

Overcast

65° 💧 0.001 in 💨 14 mph H 74%30.18 inHg

7:00 PM

Overcast

64° 💧 None 💨 14 mph H 74%30.18 inHg

8:00 PM

Light thunderstorms

62° 💧 0.041 in 💨 13 mph H 84%30.18 inHg

9:00 PM

Light thunderstorms

61° 💧 0.082 in 💨 13 mph H 87%30.18 inHg

10:00 PM

Light thunderstorms

61° 💧 0.008 in 💨 16 mph H 84%30.18 inHg

11:00 PM

Overcast night

61° 💧 None 💨 16 mph H 82%30.18 inHg

Thursday

12:00 AM

Overcast night

61° 💧 None 💨 15 mph H 81%30.18 inHg

1:00 AM

Light rain

60° 💧 0.014 in 💨 16 mph H 84%30.15 inHg

2:00 AM

Light thunderstorms

59° 💧 0.043 in 💨 16 mph H 89%30.15 inHg

3:00 AM

Light rain

59° 💧 0.062 in 💨 15 mph H 91%30.15 inHg

4:00 AM

Light thunderstorms

58° 💧 0.067 in 💨 14 mph H 92%30.15 inHg

5:00 AM

Light thunderstorms

58° 💧 0.096 in 💨 15 mph H 93%30.15 inHg

6:00 AM

Light rain

58° 💧 0.032 in 💨 15 mph H 94%30.12 inHg

7:00 AM

Light rain

58° 💧 0.006 in 💨 14 mph H 94%30.15 inHg

8:00 AM

Overcast

59° 💧 0.002 in 💨 14 mph H 93%30.15 inHg

9:00 AM

Overcast

60° 💧 None 💨 15 mph H 91%30.15 inHg

10:00 AM

Overcast

62° 💧 None 💨 15 mph H 86%30.15 inHg

11:00 AM

Overcast

63° 💧 None 💨 15 mph H 82%30.15 inHg

12:00 PM

Overcast

63° 💧 None 💨 14 mph H 82%30.15 inHg

1:00 PM

Overcast

64° 💧 None 💨 13 mph H 81%30.15 inHg

2:00 PM

Overcast

65° 💧 None 💨 14 mph H 80%30.12 inHg

3:00 PM

Overcast

65° 💧 None 💨 11 mph H 79%30.12 inHg

4:00 PM

Overcast

65° 💧 None 💨 10 mph H 81%30.12 inHg

5:00 PM

Overcast

65° 💧 None 💨 9 mph H 81%30.12 inHg

6:00 PM

Overcast

64° 💧 None 💨 8 mph H 82%30.12 inHg

7:00 PM

Overcast

63° 💧 None 💨 8 mph H 85%30.12 inHg

8:00 PM

Overcast night

62° 💧 0.001 in 💨 9 mph H 87%30.15 inHg

9:00 PM

Overcast night

61° 💧 0.001 in 💨 9 mph H 89%30.15 inHg

10:00 PM

Overcast night

61° 💧 0.001 in 💨 10 mph H 89%30.18 inHg

11:00 PM

Overcast night

61° 💧 0.002 in 💨 9 mph H 90%30.18 inHg

Friday

12:00 AM

Overcast night

60° 💧 0.004 in 💨 9 mph H 92%30.15 inHg

1:00 AM

Overcast night

60° 💧 0.001 in 💨 9 mph H 92%30.15 inHg

2:00 AM

Overcast night

60° 💧 None 💨 9 mph H 92%30.15 inHg

3:00 AM

Overcast night

60° 💧 0.001 in 💨 8 mph H 92%30.15 inHg

4:00 AM

Overcast night

60° 💧 None 💨 8 mph H 92%30.15 inHg

5:00 AM

Overcast night

60° 💧 None 💨 9 mph H 91%30.15 inHg

6:00 AM

Overcast night

60° 💧 0.001 in 💨 9 mph H 91%30.12 inHg

7:00 AM

Overcast night

60° 💧 None 💨 9 mph H 91%30.15 inHg

4:00 PM

Overcast

65° 💧 None 💨 16 mph H 79%30.03 inHg

7:00 PM

Light rain

62° 💧 None 💨 14 mph H 90%30.00 inHg

10:00 PM

Light rain

61° 💧 None 💨 15 mph H 91%29.97 inHg

Saturday

1:00 AM

Light rain

60° 💧 None 💨 16 mph H 94%29.88 inHg

4:00 AM

Light rain

61° 💧 None 💨 14 mph H 95%29.83 inHg

7:00 AM

Overcast night

63° 💧 None 💨 11 mph H 97%29.80 inHg

10:00 AM

Overcast

67° 💧 None 💨 13 mph H 92%29.80 inHg

1:00 PM

Overcast

73° 💧 None 💨 12 mph H 78%29.80 inHg

4:00 PM

Overcast

76° 💧 None 💨 9 mph H 70%29.77 inHg

7:00 PM

Sunny

72° 💧 None 💨 4 mph H 83%29.83 inHg

10:00 PM

Clear night

66° 💧 None 💨 5 mph H 92%29.88 inHg

Sunday

1:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 95%29.91 inHg

4:00 AM

Overcast night

66° 💧 None 💨 7 mph H 94%29.94 inHg

7:00 AM

Mostly clear night

61° 💧 None 💨 8 mph H 81%30.00 inHg

10:00 AM

Sunny

64° 💧 None 💨 9 mph H 66%30.00 inHg

1:00 PM

Mostly sunny

71° 💧 None 💨 9 mph H 51%30.00 inHg

4:00 PM

Mostly sunny

73° 💧 None 💨 9 mph H 53%29.91 inHg

7:00 PM

Overcast

68° 💧 None 💨 9 mph H 66%29.88 inHg

10:00 PM

Overcast night

65° 💧 None 💨 12 mph H 69%29.88 inHg

Monday

1:00 AM

Overcast night

65° 💧 None 💨 13 mph H 85%29.80 inHg

4:00 AM

Light thunderstorms

65° 💧 None 💨 2 mph H 94%29.80 inHg

7:00 AM

Overcast night

63° 💧 None 💨 10 mph H 96%29.77 inHg

10:00 AM

Light rain

64° 💧 None 💨 5 mph H 94%29.77 inHg

1:00 PM

Light rain

65° 💧 None 💨 11 mph H 86%29.77 inHg

7:00 PM

Mostly cloudy

76° 💧 None 💨 8 mph H 69%29.77 inHg

Tuesday

1:00 AM

Light thunderstorms

68° 💧 None 💨 8 mph H 90%29.68 inHg

7:00 AM

Overcast night

63° 💧 None 💨 5 mph H 96%29.77 inHg

1:00 PM

Overcast

55° 💧 None 💨 13 mph H 89%29.83 inHg

7:00 PM

Mostly cloudy

64° 💧 None 💨 14 mph H 44%29.85 inHg

Wednesday

1:00 AM

Clear night

59° 💧 None 💨 8 mph H 55%29.88 inHg

7:00 AM

Clear night

48° 💧 None 💨 4 mph H 81%29.91 inHg

1:00 PM

Sunny

44° 💧 None 💨 4 mph H 90%29.94 inHg

7:00 PM

Sunny

64° 💧 None 💨 3 mph H 49%29.91 inHg

Thursday

1:00 AM

Clear night

59° 💧 None 💨 3 mph H 70%29.83 inHg

7:00 AM

Clear night

52° 💧 None 💨 8 mph H 81%29.85 inHg

1:00 PM

Partly cloudy

53° 💧 None 💨 8 mph H 93%29.80 inHg

7:00 PM

Mostly sunny

68° 💧 None 💨 13 mph H 61%29.74 inHg

Friday

1:00 AM

Overcast night

64° 💧 None 💨 6 mph H 82%29.74 inHg

7:00 AM

Clear night

53° 💧 None 💨 13 mph H 68%29.85 inHg

1:00 PM

Mostly sunny

51° 💧 None 💨 11 mph H 68%29.80 inHg

7:00 PM

Mostly cloudy

59° 💧 None 💨 24 mph H 55%29.65 inHg

Saturday

1:00 AM

Light rain

53° 💧 None 💨 16 mph H 92%29.56 inHg

7:00 AM

Light rain

52° 💧 None 💨 9 mph H 90%29.65 inHg

1:00 PM

Overcast

52° 💧 None 💨 19 mph H 80%29.74 inHg

7:00 PM

Overcast

54° 💧 None 💨 20 mph H 65%29.85 inHg

Sunday

1:00 AM

Mostly cloudy night

51° 💧 None 💨 14 mph H 70%29.94 inHg

7:00 AM

Overcast night

48° 💧 None 💨 9 mph H 76%30.03 inHg

1:00 PM

Mostly sunny

41° 💧 None 💨 6 mph H 95%30.06 inHg

7:00 PM

Partly cloudy

55° 💧 None 💨 6 mph H 58%30.06 inHg

Monday

1:00 AM

Clear night

52° 💧 None 💨 2 mph H 76%30.00 inHg

7:00 AM

Mostly clear night

45° 💧 None 💨 7 mph H 90%30.09 inHg

1:00 PM

Partly cloudy

43° 💧 None 💨 7 mph H 91%30.09 inHg

7:00 PM

Mostly cloudy

57° 💧 None 💨 9 mph H 61%30.03 inHg

Tuesday

1:00 AM

Clear night

54° 💧 None 💨 10 mph H 73%29.97 inHg

7:00 AM

Clear night

48° 💧 None 💨 11 mph H 81%30.03 inHg

1:00 PM

Mostly cloudy

46° 💧 None 💨 12 mph H 84%30.03 inHg

7:00 PM

Overcast

56° 💧 None 💨 17 mph H 60%29.97 inHg

Wednesday

1:00 AM

Light rain

52° 💧 None 💨 17 mph H 81%29.94 inHg

7:00 AM

Overcast night

51° 💧 None 💨 19 mph H 83%29.91 inHg

1:00 PM

Light rain

50° 💧 None 💨 19 mph H 92%29.88 inHg

In Iroquois 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 Iroquois

TomorrowTomorrow

Light thunderstorms 66°/55° 💧 None 💨 17 mph

Thursday, Sep 24Thu Sep 24

Light thunderstorms 65°/58° 💧 None 💨 16 mph

Friday, Sep 25Fri Sep 25

Light rain 65°/60° 💧 0.560 in 💨 16 mph

Saturday, Sep 26Sat Sep 26

Light rain 76°/60° 💧 0.221 in 💨 16 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 73°/61° 💧 0.005 in 💨 12 mph

Monday, Sep 28Mon Sep 28

Light thunderstorms 76°/63° 💧 0.728 in 💨 13 mph

Tuesday, Sep 29Tue Sep 29

Light thunderstorms 68°/55° 💧 0.809 in 💨 14 mph

Wednesday, Sep 30Wed Sep 30

Sunny 64°/44° 💧 None 💨 8 mph

Thursday, Oct 1Thu Oct 1

Partly cloudy 68°/52° 💧 0.001 in 💨 13 mph

Friday, Oct 2Fri Oct 2

Overcast 64°/51° 💧 0.047 in 💨 24 mph

Saturday, Oct 3Sat Oct 3

Light rain 54°/52° 💧 0.157 in 💨 20 mph

Sunday, Oct 4Sun Oct 4

Mostly cloudy 55°/41° 💧 None 💨 14 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 57°/43° 💧 None 💨 9 mph

Tuesday, Oct 6Tue Oct 6

Mostly cloudy 56°/46° 💧 None 💨 17 mph

Wednesday, Oct 7Wed Oct 7

Light rain 52°/50° 💧 0.221 in 💨 19 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Iroquois

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Iroquois

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 12:00 AM

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

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

O₃ Ozone Good 48,3µg/m³

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

NO₂ Nitrogen dioxide Good 2,1µg/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 Iroquois

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 2,6Low —Unavailable

Tomorrow UV 4,8Moderate 🙂Fair

Thursday UV 1,6Low 🙂Fair

Friday UV 1,1Low 😊Good

Saturday UV 4,2Moderate 🙂Fair

Sunday UV 5,0Moderate —Unavailable

Monday UV 5,0Moderate —Unavailable

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 Iroquois

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · IROQUOIS, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

79/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:06 PM–5:42 AM

☁ Cloud cover 21% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon about 22° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 33° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min28%

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 Iroquois were last refreshed today at 11:02 PM. The current forecast period extends through 24/09/2026 at 9:00 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.