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Now · 5:52 PM

Irene Weather & Hourly Forecast

United States · South Dakota · 57037

67°F

Mostly cloudy

Feels like: 62°F

💧 Humidity 55% 🌡 Pressure 30.06 inHg 💨 Wind 11 mph 👁 Visibility 11.7 mi ☁ Clouds 73% ☀️ UV index 2.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Irene

Today

6:00 PM

Mostly cloudy

67° 💧 0.017 in 💨 11 mph H 55%30.06 inHg

9:00 PM

Mostly clear night

62° 💧 None 💨 8 mph H 71%30.09 inHg

Tomorrow

12:00 AM

Overcast night

63° 💧 None 💨 12 mph H 68%30.09 inHg

3:00 AM

Light rain

62° 💧 0.060 in 💨 13 mph H 76%30.03 inHg

6:00 AM

Thunderstorms

59° 💧 0.367 in 💨 15 mph H 90%29.97 inHg

9:00 AM

Mostly cloudy

61° 💧 0.019 in 💨 18 mph H 83%29.85 inHg

12:00 PM

Thunderstorms

67° 💧 0.206 in 💨 15 mph H 88%29.77 inHg

3:00 PM

Partly cloudy

78° 💧 0.004 in 💨 14 mph H 75%29.59 inHg

6:00 PM

Partly cloudy

78° 💧 0.014 in 💨 10 mph H 81%29.59 inHg

9:00 PM

Clear night

73° 💧 None 💨 13 mph H 68%29.74 inHg

Tuesday

12:00 AM

Clear night

64° 💧 None 💨 6 mph H 60%29.85 inHg

3:00 AM

Mostly clear night

61° 💧 None 💨 7 mph H 58%29.91 inHg

6:00 AM

Clear night

58° 💧 None 💨 8 mph H 51%30.00 inHg

9:00 AM

Sunny

60° 💧 None 💨 12 mph H 56%30.12 inHg

12:00 PM

Sunny

66° 💧 None 💨 9 mph H 50%30.18 inHg

3:00 PM

Sunny

70° 💧 None 💨 6 mph H 45%30.18 inHg

Today

6:00 PM

Mostly cloudy

67° 💧 0.000 in 💨 11 mph H 55%30.06 inHg

7:00 PM

Light rain

65° 💧 0.017 in 💨 8 mph H 67%30.06 inHg

8:00 PM

Mostly clear night

63° 💧 0.000 in 💨 7 mph H 70%30.06 inHg

9:00 PM

Mostly clear night

62° 💧 None 💨 8 mph H 71%30.09 inHg

10:00 PM

Mostly cloudy night

61° 💧 None 💨 9 mph H 70%30.12 inHg

11:00 PM

Overcast night

62° 💧 None 💨 11 mph H 66%30.12 inHg

Tomorrow

12:00 AM

Overcast night

63° 💧 None 💨 12 mph H 68%30.09 inHg

1:00 AM

Overcast night

63° 💧 None 💨 12 mph H 71%30.06 inHg

2:00 AM

Overcast night

62° 💧 None 💨 12 mph H 72%30.06 inHg

3:00 AM

Light rain

62° 💧 0.006 in 💨 13 mph H 76%30.03 inHg

4:00 AM

Overcast night

62° 💧 0.002 in 💨 13 mph H 77%30.00 inHg

5:00 AM

Light thunderstorms

60° 💧 0.052 in 💨 13 mph H 85%29.97 inHg

6:00 AM

Thunderstorms

59° 💧 0.187 in 💨 15 mph H 90%29.97 inHg

7:00 AM

Thunderstorms

59° 💧 0.179 in 💨 17 mph H 90%29.94 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 18 mph H 88%29.91 inHg

9:00 AM

Mostly cloudy

61° 💧 None 💨 18 mph H 83%29.85 inHg

10:00 AM

Mostly sunny

64° 💧 None 💨 18 mph H 79%29.83 inHg

11:00 AM

Light thunderstorms

67° 💧 0.019 in 💨 16 mph H 78%29.77 inHg

12:00 PM

Thunderstorms

67° 💧 0.178 in 💨 15 mph H 88%29.77 inHg

1:00 PM

Light rain

68° 💧 0.028 in 💨 17 mph H 89%29.68 inHg

2:00 PM

Partly cloudy

77° 💧 0.001 in 💨 16 mph H 74%29.65 inHg

3:00 PM

Partly cloudy

78° 💧 None 💨 14 mph H 75%29.59 inHg

4:00 PM

Mostly cloudy

81° 💧 None 💨 11 mph H 75%29.59 inHg

5:00 PM

Light rain

83° 💧 0.004 in 💨 11 mph H 77%29.59 inHg

6:00 PM

Partly cloudy

78° 💧 0.001 in 💨 10 mph H 81%29.59 inHg

7:00 PM

Light thunderstorms

76° 💧 0.011 in 💨 8 mph H 85%29.62 inHg

8:00 PM

Clear night

76° 💧 0.002 in 💨 13 mph H 79%29.68 inHg

9:00 PM

Clear night

73° 💧 None 💨 13 mph H 68%29.74 inHg

10:00 PM

Clear night

70° 💧 None 💨 9 mph H 63%29.80 inHg

11:00 PM

Clear night

67° 💧 None 💨 7 mph H 61%29.83 inHg

Tuesday

12:00 AM

Clear night

64° 💧 None 💨 6 mph H 60%29.85 inHg

1:00 AM

Mostly clear night

63° 💧 None 💨 7 mph H 61%29.88 inHg

2:00 AM

Partly cloudy night

62° 💧 None 💨 7 mph H 61%29.88 inHg

3:00 AM

Mostly clear night

61° 💧 None 💨 7 mph H 58%29.91 inHg

4:00 AM

Clear night

61° 💧 None 💨 7 mph H 53%29.94 inHg

5:00 AM

Clear night

60° 💧 None 💨 8 mph H 50%29.97 inHg

6:00 AM

Clear night

58° 💧 None 💨 8 mph H 51%30.00 inHg

7:00 AM

Clear night

57° 💧 None 💨 8 mph H 54%30.03 inHg

8:00 AM

Sunny

58° 💧 None 💨 9 mph H 56%30.09 inHg

9:00 AM

Sunny

60° 💧 None 💨 12 mph H 56%30.12 inHg

10:00 AM

Sunny

62° 💧 None 💨 13 mph H 53%30.15 inHg

11:00 AM

Sunny

64° 💧 None 💨 11 mph H 51%30.18 inHg

12:00 PM

Sunny

66° 💧 None 💨 9 mph H 50%30.18 inHg

1:00 PM

Partly cloudy

68° 💧 None 💨 8 mph H 48%30.18 inHg

2:00 PM

Sunny

69° 💧 None 💨 7 mph H 46%30.18 inHg

3:00 PM

Sunny

70° 💧 None 💨 6 mph H 45%30.18 inHg

4:00 PM

Sunny

71° 💧 None 💨 5 mph H 44%30.15 inHg

5:00 PM

Sunny

71° 💧 None 💨 4 mph H 45%30.15 inHg

6:00 PM

Sunny

70° 💧 None 💨 4 mph H 47%30.15 inHg

7:00 PM

Sunny

67° 💧 None 💨 3 mph H 64%30.15 inHg

8:00 PM

Clear night

63° 💧 None 💨 4 mph H 68%30.18 inHg

9:00 PM

Clear night

62° 💧 None 💨 3 mph H 68%30.21 inHg

10:00 PM

Clear night

60° 💧 None 💨 4 mph H 71%30.24 inHg

11:00 PM

Mostly clear night

59° 💧 None 💨 5 mph H 75%30.24 inHg

Wednesday

12:00 AM

Clear night

58° 💧 None 💨 5 mph H 79%30.24 inHg

1:00 AM

Mostly clear night

57° 💧 None 💨 5 mph H 81%30.24 inHg

2:00 AM

Partly cloudy night

57° 💧 None 💨 5 mph H 84%30.24 inHg

3:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 84%30.24 inHg

4:00 AM

Mostly cloudy night

56° 💧 None 💨 6 mph H 85%30.24 inHg

5:00 AM

Mostly cloudy night

56° 💧 None 💨 8 mph H 86%30.24 inHg

6:00 AM

Mostly cloudy night

56° 💧 None 💨 8 mph H 86%30.27 inHg

7:00 AM

Overcast night

55° 💧 None 💨 8 mph H 85%30.27 inHg

10:00 AM

Overcast

61° 💧 None 💨 10 mph H 75%30.24 inHg

1:00 PM

Overcast

66° 💧 None 💨 11 mph H 69%30.21 inHg

4:00 PM

Overcast

65° 💧 None 💨 10 mph H 78%30.15 inHg

7:00 PM

Overcast

64° 💧 None 💨 7 mph H 82%30.12 inHg

10:00 PM

Overcast night

63° 💧 None 💨 5 mph H 89%30.18 inHg

Thursday

1:00 AM

Mostly cloudy night

63° 💧 None 💨 3 mph H 93%30.18 inHg

4:00 AM

Mostly clear night

59° 💧 None 💨 4 mph H 97%30.21 inHg

7:00 AM

Mostly clear night

58° 💧 None 💨 4 mph H 99%30.24 inHg

10:00 AM

Overcast

66° 💧 None 💨 5 mph H 82%30.27 inHg

1:00 PM

Overcast

71° 💧 None 💨 6 mph H 70%30.27 inHg

4:00 PM

Overcast

74° 💧 None 💨 7 mph H 65%30.18 inHg

7:00 PM

Overcast

71° 💧 None 💨 7 mph H 76%30.15 inHg

10:00 PM

Overcast night

67° 💧 None 💨 5 mph H 87%30.21 inHg

Friday

1:00 AM

Overcast night

65° 💧 None 💨 8 mph H 94%30.18 inHg

4:00 AM

Moderate rain

65° 💧 None 💨 10 mph H 96%30.12 inHg

7:00 AM

Light rain

65° 💧 None 💨 11 mph H 97%30.06 inHg

10:00 AM

Heavy rain

67° 💧 None 💨 11 mph H 96%30.00 inHg

1:00 PM

Overcast

72° 💧 None 💨 9 mph H 91%29.97 inHg

4:00 PM

Partly cloudy

80° 💧 None 💨 5 mph H 78%29.88 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 7 mph H 85%29.83 inHg

10:00 PM

Light rain

70° 💧 None 💨 3 mph H 98%29.88 inHg

Saturday

1:00 AM

Overcast night

69° 💧 None 💨 5 mph H 98%29.88 inHg

4:00 AM

Overcast night

65° 💧 None 💨 8 mph H 96%29.91 inHg

7:00 AM

Overcast night

64° 💧 None 💨 8 mph H 95%29.91 inHg

1:00 PM

Overcast

68° 💧 None 💨 8 mph H 82%29.94 inHg

7:00 PM

Overcast

69° 💧 None 💨 6 mph H 79%29.88 inHg

Sunday

1:00 AM

Overcast night

66° 💧 None 💨 4 mph H 86%29.88 inHg

7:00 AM

Light rain

63° 💧 None 💨 3 mph H 97%29.85 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 2 mph H 75%29.85 inHg

7:00 PM

Overcast

73° 💧 None 💨 3 mph H 78%29.83 inHg

Monday

1:00 AM

Overcast night

66° 💧 None 💨 4 mph H 91%29.91 inHg

7:00 AM

Overcast night

63° 💧 None 💨 9 mph H 95%30.00 inHg

1:00 PM

Overcast

71° 💧 None 💨 11 mph H 68%30.09 inHg

7:00 PM

Mostly cloudy

68° 💧 None 💨 6 mph H 76%30.09 inHg

Tuesday

1:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 92%30.18 inHg

7:00 AM

Light rain

63° 💧 None 💨 2 mph H 96%30.18 inHg

1:00 PM

Light rain

71° 💧 None 💨 3 mph H 75%30.18 inHg

7:00 PM

Sunny

72° 💧 None 💨 1 mph H 75%30.09 inHg

Wednesday

1:00 AM

Mostly clear night

63° 💧 None 💨 3 mph H 92%30.15 inHg

7:00 AM

Clear night

60° 💧 None 💨 4 mph H 98%30.15 inHg

1:00 PM

Partly cloudy

74° 💧 None 💨 10 mph H 73%30.15 inHg

7:00 PM

Partly cloudy

74° 💧 None 💨 8 mph H 74%30.09 inHg

Thursday

1:00 AM

Overcast night

68° 💧 None 💨 9 mph H 88%30.15 inHg

7:00 AM

Mostly cloudy night

64° 💧 None 💨 6 mph H 97%30.18 inHg

1:00 PM

Overcast

72° 💧 None 💨 11 mph H 83%30.18 inHg

7:00 PM

Mostly sunny

73° 💧 None 💨 10 mph H 78%30.09 inHg

Friday

1:00 AM

Overcast night

70° 💧 None 💨 10 mph H 91%30.15 inHg

7:00 AM

Overcast night

67° 💧 None 💨 10 mph H 96%30.12 inHg

1:00 PM

Overcast

72° 💧 None 💨 12 mph H 80%30.12 inHg

7:00 PM

Overcast

73° 💧 None 💨 10 mph H 80%30.06 inHg

Saturday

1:00 AM

Light rain

68° 💧 None 💨 10 mph H 94%30.03 inHg

7:00 AM

Mostly clear night

65° 💧 None 💨 5 mph H 99%30.03 inHg

1:00 PM

Partly cloudy

77° 💧 None 💨 11 mph H 65%30.06 inHg

7:00 PM

Sunny

73° 💧 None 💨 5 mph H 77%30.03 inHg

Sunday

1:00 AM

Clear night

62° 💧 None 💨 4 mph H 96%30.06 inHg

7:00 AM

Mostly clear night

62° 💧 None 💨 10 mph H 76%30.06 inHg

1:00 PM

Sunny

70° 💧 None 💨 15 mph H 47%30.09 inHg

7:00 PM

Partly cloudy

66° 💧 None 💨 11 mph H 52%30.06 inHg

Monday

1:00 AM

Mostly cloudy night

57° 💧 None 💨 10 mph H 68%30.12 inHg

7:00 AM

Partly cloudy night

54° 💧 None 💨 12 mph H 72%30.15 inHg

In Irene and, more broadly, across the state of South Dakota: The late afternoon will continue with mostly sunny skies and a few clouds. Temperatures are expected to remain mild, ranging from 61 to 68 degrees Fahrenheit. Winds will come from the southeast at a steady 8 to 16 mph, with gusts reaching up to 32 mph. As evening approaches, conditions are expected to remain dry with no precipitation forecasted. The wind may pick up slightly during the evening, but overall, it will be a calm and pleasant night. Temperatures will gradually decrease but stay within the mild range, making for comfortable conditions as night falls. There are no weather advisories at this time.

15-Day Weather Outlook for Irene

TomorrowTomorrow

Light thunderstorms 81°/58° 💧 None 💨 19 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 79°/59° 💧 None 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Light rain 67°/55° 💧 0.749 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Overcast 74°/60° 💧 0.001 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Heavy rain 70°/62° 💧 1.469 in 💨 12 mph

Saturday, Sep 19Sat Sep 19

Light rain 73°/65° 💧 0.031 in 💨 12 mph

Sunday, Sep 20Sun Sep 20

Overcast 72°/62° 💧 0.037 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Overcast 72°/59° 💧 0.001 in 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 75°/54° 💧 0.035 in 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Overcast 67°/53° 💧 0.008 in 💨 7 mph

Thursday, Sep 24Thu Sep 24

Overcast 69°/55° 💧 0.002 in 💨 6 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 71°/56° 💧 0.004 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Overcast 73°/62° 💧 0.060 in 💨 11 mph

Sunday, Sep 27Sun Sep 27

Light rain 71°/60° 💧 0.200 in 💨 12 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 67°/63° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Irene

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Irene

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 6:00 PM

PM2.5 Fine particles Good 2,5µg/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 2,6µg/m³

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

O₃ Ozone Fair 61,7µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Irene

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 5,3Moderate 🙂Fair

Tomorrow UV 3,0Moderate 🙂Fair

Tuesday UV 4,7Moderate 🙂Fair

Wednesday UV 0,5Low 🙂Fair

Thursday UV 6,0High 🙂Fair

Friday UV 8,0Very high —Unavailable

Saturday UV 5,0Moderate —Unavailable

Hourly UV index today

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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Irene

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · IRENE, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

73/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 9:19 PM–5:30 AM

☁ Cloud cover 37% Real hourly forecast for the best viewing hour.

☾ Moonlight 6% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 8° 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 min16%

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 Irene were last refreshed today at 5:52 PM. The current forecast period extends through 15/09/2026 at 3:00 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.