What is the weather in Erwin right now?

Current weather in Erwin is overcast clouds.

Where can I find the hourly weather forecast for Erwin?

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

Is the weather forecast for Erwin updated regularly?

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

Now · 6:25 AM

Erwin Weather & Hourly Forecast

United States · South Dakota · 57233

55°F

Overcast night

Feels like: 53°F

💧 Humidity 81% 🌡 Pressure 30.09 inHg 💨 Wind 3 mph 👁 Visibility 24.5 mi ☁ Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Erwin

Today

7:00 AM

Overcast night

56° 💧 0.000 in 💨 3 mph H 79%30.12 inHg

10:00 AM

Mostly sunny

60° 💧 0.001 in 💨 6 mph H 62%30.18 inHg

1:00 PM

Sunny

67° 💧 None 💨 6 mph H 42%30.15 inHg

4:00 PM

Overcast

69° 💧 None 💨 5 mph H 41%30.09 inHg

7:00 PM

Mostly sunny

66° 💧 None 💨 4 mph H 49%30.06 inHg

10:00 PM

Clear night

61° 💧 None 💨 6 mph H 63%30.09 inHg

Tomorrow

1:00 AM

Partly cloudy night

59° 💧 None 💨 9 mph H 73%30.09 inHg

4:00 AM

Overcast night

58° 💧 0.006 in 💨 11 mph H 72%30.03 inHg

7:00 AM

Overcast night

59° 💧 0.044 in 💨 17 mph H 71%29.94 inHg

10:00 AM

Light rain

56° 💧 0.090 in 💨 19 mph H 87%29.85 inHg

1:00 PM

Mostly cloudy

67° 💧 0.001 in 💨 19 mph H 68%29.71 inHg

4:00 PM

Overcast

74° 💧 0.002 in 💨 16 mph H 66%29.62 inHg

7:00 PM

Partly cloudy

73° 💧 None 💨 7 mph H 73%29.65 inHg

10:00 PM

Clear night

66° 💧 None 💨 9 mph H 55%29.77 inHg

Tuesday

1:00 AM

Clear night

65° 💧 None 💨 15 mph H 37%29.80 inHg

4:00 AM

Clear night

60° 💧 None 💨 17 mph H 49%29.88 inHg

Today

7:00 AM

Overcast night

56° 💧 None 💨 3 mph H 79%30.12 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 5 mph H 76%30.15 inHg

9:00 AM

Mostly cloudy

58° 💧 0.000 in 💨 5 mph H 72%30.15 inHg

10:00 AM

Mostly sunny

60° 💧 0.001 in 💨 6 mph H 62%30.18 inHg

11:00 AM

Sunny

63° 💧 None 💨 7 mph H 51%30.18 inHg

12:00 PM

Sunny

65° 💧 None 💨 7 mph H 45%30.18 inHg

1:00 PM

Sunny

67° 💧 None 💨 6 mph H 42%30.15 inHg

2:00 PM

Sunny

68° 💧 None 💨 5 mph H 41%30.12 inHg

3:00 PM

Overcast

69° 💧 None 💨 5 mph H 41%30.12 inHg

4:00 PM

Overcast

69° 💧 None 💨 5 mph H 41%30.09 inHg

5:00 PM

Mostly sunny

68° 💧 None 💨 5 mph H 42%30.06 inHg

6:00 PM

Sunny

68° 💧 None 💨 6 mph H 43%30.06 inHg

7:00 PM

Mostly sunny

66° 💧 None 💨 4 mph H 49%30.06 inHg

8:00 PM

Clear night

63° 💧 None 💨 4 mph H 58%30.06 inHg

9:00 PM

Clear night

62° 💧 None 💨 5 mph H 61%30.06 inHg

10:00 PM

Clear night

61° 💧 None 💨 6 mph H 63%30.09 inHg

11:00 PM

Mostly cloudy night

59° 💧 None 💨 7 mph H 68%30.12 inHg

Tomorrow

12:00 AM

Mostly cloudy night

59° 💧 None 💨 8 mph H 72%30.09 inHg

1:00 AM

Partly cloudy night

59° 💧 None 💨 9 mph H 73%30.09 inHg

2:00 AM

Partly cloudy night

58° 💧 None 💨 10 mph H 73%30.06 inHg

3:00 AM

Partly cloudy night

58° 💧 None 💨 11 mph H 73%30.03 inHg

4:00 AM

Overcast night

58° 💧 None 💨 11 mph H 72%30.03 inHg

5:00 AM

Light rain

58° 💧 0.006 in 💨 13 mph H 72%30.00 inHg

6:00 AM

Overcast night

59° 💧 0.000 in 💨 15 mph H 70%29.97 inHg

7:00 AM

Overcast night

59° 💧 0.002 in 💨 17 mph H 71%29.94 inHg

8:00 AM

Light thunderstorms

58° 💧 0.023 in 💨 20 mph H 75%29.91 inHg

9:00 AM

Light rain

57° 💧 0.020 in 💨 18 mph H 80%29.91 inHg

10:00 AM

Light rain

56° 💧 0.074 in 💨 19 mph H 87%29.85 inHg

11:00 AM

Light rain

58° 💧 0.014 in 💨 16 mph H 86%29.83 inHg

12:00 PM

Mostly cloudy

62° 💧 0.002 in 💨 19 mph H 74%29.77 inHg

1:00 PM

Mostly cloudy

67° 💧 0.000 in 💨 19 mph H 68%29.71 inHg

2:00 PM

Mostly cloudy

70° 💧 0.001 in 💨 20 mph H 69%29.68 inHg

3:00 PM

Mostly cloudy

72° 💧 None 💨 16 mph H 69%29.65 inHg

4:00 PM

Overcast

74° 💧 None 💨 16 mph H 66%29.62 inHg

5:00 PM

Overcast

74° 💧 0.002 in 💨 11 mph H 68%29.62 inHg

6:00 PM

Overcast

74° 💧 0.000 in 💨 9 mph H 69%29.62 inHg

7:00 PM

Partly cloudy

73° 💧 None 💨 7 mph H 73%29.65 inHg

8:00 PM

Clear night

70° 💧 None 💨 7 mph H 82%29.68 inHg

9:00 PM

Clear night

69° 💧 None 💨 11 mph H 75%29.74 inHg

10:00 PM

Clear night

66° 💧 None 💨 9 mph H 55%29.77 inHg

11:00 PM

Clear night

64° 💧 None 💨 10 mph H 50%29.80 inHg

Tuesday

12:00 AM

Clear night

64° 💧 None 💨 12 mph H 42%29.77 inHg

1:00 AM

Clear night

65° 💧 None 💨 15 mph H 37%29.80 inHg

2:00 AM

Clear night

63° 💧 None 💨 16 mph H 40%29.83 inHg

3:00 AM

Clear night

62° 💧 None 💨 18 mph H 43%29.85 inHg

4:00 AM

Clear night

60° 💧 None 💨 17 mph H 49%29.88 inHg

5:00 AM

Clear night

58° 💧 None 💨 14 mph H 56%29.94 inHg

6:00 AM

Clear night

56° 💧 None 💨 15 mph H 62%29.97 inHg

7:00 AM

Clear night

55° 💧 None 💨 14 mph H 66%30.00 inHg

8:00 AM

Sunny

55° 💧 None 💨 14 mph H 65%30.06 inHg

9:00 AM

Sunny

57° 💧 None 💨 13 mph H 60%30.09 inHg

10:00 AM

Sunny

59° 💧 None 💨 15 mph H 54%30.12 inHg

11:00 AM

Sunny

61° 💧 None 💨 14 mph H 51%30.15 inHg

12:00 PM

Sunny

63° 💧 None 💨 12 mph H 49%30.15 inHg

1:00 PM

Sunny

65° 💧 None 💨 11 mph H 47%30.15 inHg

2:00 PM

Sunny

67° 💧 None 💨 10 mph H 46%30.15 inHg

3:00 PM

Sunny

68° 💧 None 💨 9 mph H 46%30.15 inHg

4:00 PM

Sunny

68° 💧 None 💨 9 mph H 46%30.15 inHg

5:00 PM

Sunny

68° 💧 None 💨 8 mph H 47%30.15 inHg

6:00 PM

Sunny

67° 💧 None 💨 6 mph H 49%30.15 inHg

7:00 PM

Sunny

65° 💧 None 💨 1 mph H 64%30.18 inHg

10:00 PM

Mostly cloudy night

59° 💧 None 💨 5 mph H 75%30.24 inHg

Wednesday

1:00 AM

Overcast night

57° 💧 None 💨 5 mph H 79%30.24 inHg

4:00 AM

Overcast night

56° 💧 None 💨 6 mph H 78%30.24 inHg

7:00 AM

Overcast night

55° 💧 None 💨 7 mph H 76%30.27 inHg

10:00 AM

Overcast

60° 💧 None 💨 9 mph H 66%30.30 inHg

1:00 PM

Light rain

62° 💧 None 💨 9 mph H 67%30.24 inHg

4:00 PM

Overcast

65° 💧 None 💨 10 mph H 58%30.18 inHg

7:00 PM

Sunny

63° 💧 None 💨 9 mph H 64%30.18 inHg

10:00 PM

Clear night

57° 💧 None 💨 4 mph H 84%30.24 inHg

Thursday

1:00 AM

Clear night

54° 💧 None 💨 4 mph H 92%30.24 inHg

4:00 AM

Clear night

52° 💧 None 💨 3 mph H 98%30.27 inHg

7:00 AM

Partly cloudy night

51° 💧 None 💨 3 mph H 99%30.30 inHg

10:00 AM

Sunny

60° 💧 None 💨 5 mph H 77%30.33 inHg

1:00 PM

Overcast

68° 💧 None 💨 6 mph H 56%30.33 inHg

4:00 PM

Overcast

72° 💧 None 💨 6 mph H 54%30.27 inHg

7:00 PM

Overcast

68° 💧 None 💨 6 mph H 64%30.24 inHg

10:00 PM

Overcast night

63° 💧 None 💨 10 mph H 77%30.27 inHg

Friday

1:00 AM

Overcast night

61° 💧 None 💨 10 mph H 82%30.27 inHg

4:00 AM

Overcast night

61° 💧 None 💨 11 mph H 84%30.24 inHg

7:00 AM

Moderate rain

60° 💧 None 💨 11 mph H 93%30.21 inHg

10:00 AM

Heavy rain

60° 💧 None 💨 15 mph H 94%30.12 inHg

1:00 PM

Moderate rain

62° 💧 None 💨 17 mph H 94%30.06 inHg

4:00 PM

Light rain

65° 💧 None 💨 16 mph H 93%29.94 inHg

7:00 PM

Moderate rain

68° 💧 None 💨 12 mph H 94%29.83 inHg

Saturday

1:00 AM

Mostly clear night

68° 💧 None 💨 8 mph H 98%29.80 inHg

7:00 AM

Overcast night

63° 💧 None 💨 10 mph H 99%29.83 inHg

1:00 PM

Overcast

65° 💧 None 💨 9 mph H 84%29.88 inHg

7:00 PM

Partly cloudy

66° 💧 None 💨 7 mph H 79%29.85 inHg

Sunday

1:00 AM

Clear night

58° 💧 None 💨 3 mph H 97%29.91 inHg

7:00 AM

Overcast night

55° 💧 None 💨 3 mph H 100%29.91 inHg

1:00 PM

Overcast

68° 💧 None 💨 5 mph H 70%29.94 inHg

7:00 PM

Mostly sunny

66° 💧 None 💨 2 mph H 81%29.91 inHg

Monday

1:00 AM

Partly cloudy night

60° 💧 None 💨 6 mph H 90%29.94 inHg

7:00 AM

Clear night

58° 💧 None 💨 4 mph H 96%29.97 inHg

1:00 PM

Mostly cloudy

67° 💧 None 💨 8 mph H 79%30.00 inHg

7:00 PM

Mostly sunny

62° 💧 None 💨 6 mph H 87%30.00 inHg

Tuesday

1:00 AM

Clear night

54° 💧 None 💨 3 mph H 99%30.06 inHg

7:00 AM

Mostly cloudy night

55° 💧 None 💨 4 mph H 100%30.09 inHg

1:00 PM

Overcast

64° 💧 None 💨 4 mph H 72%30.12 inHg

7:00 PM

Partly cloudy

63° 💧 None 💨 4 mph H 80%30.06 inHg

Wednesday

1:00 AM

Partly cloudy night

57° 💧 None 💨 5 mph H 94%30.12 inHg

7:00 AM

Mostly cloudy night

58° 💧 None 💨 3 mph H 92%30.12 inHg

1:00 PM

Overcast

66° 💧 None 💨 7 mph H 62%30.09 inHg

7:00 PM

Mostly cloudy

63° 💧 None 💨 4 mph H 72%30.03 inHg

Thursday

1:00 AM

Mostly cloudy night

58° 💧 None 💨 8 mph H 85%30.06 inHg

7:00 AM

Overcast night

56° 💧 None 💨 7 mph H 93%30.06 inHg

1:00 PM

Overcast

67° 💧 None 💨 11 mph H 63%30.03 inHg

7:00 PM

Mostly sunny

65° 💧 None 💨 8 mph H 71%29.97 inHg

Friday

1:00 AM

Clear night

58° 💧 None 💨 8 mph H 86%30.03 inHg

7:00 AM

Clear night

56° 💧 None 💨 8 mph H 95%30.06 inHg

1:00 PM

Sunny

70° 💧 None 💨 9 mph H 62%30.06 inHg

7:00 PM

Mostly sunny

67° 💧 None 💨 7 mph H 70%30.03 inHg

Saturday

1:00 AM

Overcast night

64° 💧 None 💨 8 mph H 76%30.09 inHg

7:00 AM

Light rain

59° 💧 None 💨 7 mph H 90%30.09 inHg

1:00 PM

Light rain

63° 💧 None 💨 10 mph H 92%30.03 inHg

7:00 PM

Overcast

63° 💧 None 💨 4 mph H 94%30.00 inHg

Sunday

1:00 AM

Overcast night

61° 💧 None 💨 3 mph H 97%30.03 inHg

7:00 AM

Overcast night

55° 💧 None 💨 10 mph H 96%30.09 inHg

1:00 PM

Overcast

61° 💧 None 💨 9 mph H 76%30.12 inHg

In Erwin and, more broadly, across the state of South Dakota: This morning, the sky will feature a mix of sun and clouds, with temperatures starting off mild and ranging from 51 to 73 degrees Fahrenheit. Winds will be moderate from the southeast, reaching up to 11 mph, with gusts possibly hitting 25 mph. As the day progresses into the afternoon, conditions will remain generally mild, with continued cloud and sun cover. The wind may pick up slightly, but no precipitation is expected throughout the day. Overall, it should be a fairly pleasant day with comfortable temperatures and breezy conditions. Be prepared for some gusty winds if you're planning outdoor activities.

15-Day Weather Outlook for Erwin

TomorrowTomorrow

Light thunderstorms 74°/56° 💧 None 💨 20 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 73°/55° 💧 None 💨 18 mph

Wednesday, Sep 16Wed Sep 16

Light rain 65°/55° 💧 0.231 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 72°/51° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Heavy rain 68°/60° 💧 1.389 in 💨 17 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 68°/63° 💧 0.288 in 💨 12 mph

Sunday, Sep 20Sun Sep 20

Overcast 68°/55° 💧 0.004 in 💨 7 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 67°/58° 💧 0.059 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Overcast 64°/54° 💧 0.091 in 💨 6 mph

Wednesday, Sep 23Wed Sep 23

Overcast 66°/57° 💧 0.004 in 💨 7 mph

Thursday, Sep 24Thu Sep 24

Overcast 67°/56° 💧 0.003 in 💨 11 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 70°/56° 💧 0.001 in 💨 9 mph

Saturday, Sep 26Sat Sep 26

Light rain 67°/59° 💧 0.352 in 💨 10 mph

Sunday, Sep 27Sun Sep 27

Overcast 63°/55° 💧 0.275 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Erwin

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Erwin

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 1,5µg/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 1,7µg/m³

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

O₃ Ozone Good 18,4µg/m³

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

NO₂ Nitrogen dioxide Good 4,9µg/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 Erwin

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 5,5Moderate 😊Good

Tomorrow UV 1,3Low 🙂Fair

Tuesday UV 5,6Moderate 🙂Fair

Wednesday UV 0,6Low 🙂Fair

Thursday UV 6,0High 😊Good

Friday UV 4,0Moderate —Unavailable

Saturday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Erwin

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ERWIN, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

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

96/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 9:24 PM–5:28 AM

☁ Cloud cover 5% 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 9° 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 min22%

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

Explore current conditions and forecasts for other locations.

Hawthorne US · New York · 4,878 residents Barkisland GB · England · 990 residents Elberta US · Michigan · 174 residents Milford US · Iowa · 3,311 residents Hollins US · Virginia · 17,097 residents North Aurora US · Illinois · 18,696 residents Waverly US · Ohio · 4,127 residents South Barrington US · Illinois · 5,021 residents Attwood AU · Victoria · 3,309 residents Spring Creek US · Nevada · 14,739 residents Irthlingborough GB · England · 9,310 residents Mitcham (Vic.) AU · Victoria · 16,795 residents Levan US · Utah · 853 residents Coon Rapids US · Minnesota · 63,468 residents Federal Way US · Washington · 99,493 residents Oxford GB · England · 172,436 residents

Forecast data for Erwin were last refreshed today at 6:25 AM. The current forecast period extends through 15/09/2026 at 4:00 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.