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Current weather in Vermillion is overcast clouds.

Where can I find the hourly weather forecast for Vermillion?

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

Is the weather forecast for Vermillion updated regularly?

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

Now · 4:25 PM

Vermillion Weather & Hourly Forecast

United States · South Dakota · 57069

78°F

Overcast

Feels like: 87°F

💧 Humidity 90% 🌡 Pressure 29.94 inHg 💨 Wind 4 mph 👁 Visibility 17.3 mi ☁ Clouds 97% ☀️ UV index 2.9 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Vermillion

Today

5:00 PM

Mostly sunny

80° 💧 None 💨 4 mph H 87%29.91 inHg

8:00 PM

Partly cloudy night

80° 💧 0.000 in 💨 14 mph H 78%29.94 inHg

11:00 PM

Mostly cloudy night

75° 💧 None 💨 9 mph H 92%29.97 inHg

Tomorrow

2:00 AM

Partly cloudy night

74° 💧 None 💨 10 mph H 92%29.97 inHg

5:00 AM

Mostly cloudy night

73° 💧 0.000 in 💨 12 mph H 89%29.94 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 14 mph H 88%29.94 inHg

11:00 AM

Partly cloudy

81° 💧 None 💨 15 mph H 73%29.91 inHg

2:00 PM

Mostly sunny

87° 💧 None 💨 16 mph H 61%29.85 inHg

5:00 PM

Mostly sunny

88° 💧 None 💨 16 mph H 59%29.80 inHg

8:00 PM

Overcast night

84° 💧 0.001 in 💨 14 mph H 66%29.83 inHg

11:00 PM

Light rain

81° 💧 0.018 in 💨 15 mph H 71%29.85 inHg

Tuesday

2:00 AM

Overcast night

80° 💧 0.001 in 💨 14 mph H 69%29.83 inHg

5:00 AM

Overcast night

80° 💧 0.001 in 💨 13 mph H 69%29.83 inHg

8:00 AM

Thunderstorms

77° 💧 0.647 in 💨 1 mph H 78%29.88 inHg

11:00 AM

Light rain

78° 💧 0.009 in 💨 9 mph H 87%29.91 inHg

2:00 PM

Strong thunderstorm

86° 💧 0.003 in 💨 8 mph H 64%29.85 inHg

Today

5:00 PM

Mostly sunny

80° 💧 None 💨 4 mph H 87%29.91 inHg

6:00 PM

Mostly sunny

81° 💧 None 💨 9 mph H 81%29.91 inHg

7:00 PM

Mostly sunny

81° 💧 None 💨 9 mph H 80%29.91 inHg

8:00 PM

Partly cloudy night

80° 💧 None 💨 14 mph H 78%29.94 inHg

9:00 PM

Overcast night

76° 💧 0.000 in 💨 10 mph H 84%29.94 inHg

10:00 PM

Partly cloudy night

76° 💧 None 💨 12 mph H 89%29.97 inHg

11:00 PM

Mostly cloudy night

75° 💧 None 💨 9 mph H 92%29.97 inHg

Tomorrow

12:00 AM

Overcast night

74° 💧 None 💨 11 mph H 92%29.97 inHg

1:00 AM

Partly cloudy night

74° 💧 None 💨 10 mph H 94%29.97 inHg

2:00 AM

Partly cloudy night

74° 💧 None 💨 10 mph H 92%29.97 inHg

3:00 AM

Partly cloudy night

74° 💧 None 💨 11 mph H 91%29.94 inHg

4:00 AM

Mostly cloudy night

73° 💧 None 💨 11 mph H 90%29.94 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 12 mph H 89%29.94 inHg

6:00 AM

Mostly cloudy night

73° 💧 None 💨 12 mph H 89%29.94 inHg

7:00 AM

Mostly cloudy

73° 💧 0.000 in 💨 13 mph H 89%29.94 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 14 mph H 88%29.94 inHg

9:00 AM

Mostly cloudy

76° 💧 None 💨 13 mph H 85%29.94 inHg

10:00 AM

Partly cloudy

78° 💧 None 💨 15 mph H 78%29.91 inHg

11:00 AM

Partly cloudy

81° 💧 None 💨 15 mph H 73%29.91 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 15 mph H 68%29.91 inHg

1:00 PM

Partly cloudy

85° 💧 None 💨 16 mph H 64%29.88 inHg

2:00 PM

Mostly sunny

87° 💧 None 💨 16 mph H 61%29.85 inHg

3:00 PM

Partly cloudy

88° 💧 None 💨 16 mph H 59%29.83 inHg

4:00 PM

Mostly cloudy

89° 💧 None 💨 17 mph H 59%29.83 inHg

5:00 PM

Mostly sunny

88° 💧 None 💨 16 mph H 59%29.80 inHg

6:00 PM

Mostly cloudy

87° 💧 None 💨 16 mph H 61%29.80 inHg

7:00 PM

Overcast

85° 💧 None 💨 15 mph H 64%29.83 inHg

8:00 PM

Overcast night

84° 💧 None 💨 14 mph H 66%29.83 inHg

9:00 PM

Overcast night

83° 💧 None 💨 14 mph H 67%29.85 inHg

10:00 PM

Overcast night

82° 💧 0.001 in 💨 14 mph H 68%29.85 inHg

11:00 PM

Light rain

81° 💧 0.014 in 💨 15 mph H 71%29.85 inHg

Tuesday

12:00 AM

Overcast night

81° 💧 None 💨 16 mph H 67%29.83 inHg

1:00 AM

Mostly cloudy night

81° 💧 0.003 in 💨 15 mph H 68%29.83 inHg

2:00 AM

Overcast night

80° 💧 0.001 in 💨 14 mph H 69%29.83 inHg

3:00 AM

Overcast night

80° 💧 0.000 in 💨 14 mph H 69%29.83 inHg

4:00 AM

Overcast night

80° 💧 None 💨 14 mph H 69%29.83 inHg

5:00 AM

Overcast night

80° 💧 None 💨 13 mph H 69%29.83 inHg

6:00 AM

Overcast night

79° 💧 None 💨 12 mph H 69%29.83 inHg

7:00 AM

Strong thunderstorm

78° 💧 0.001 in 💨 9 mph H 70%29.85 inHg

8:00 AM

Thunderstorms

77° 💧 0.164 in 💨 1 mph H 78%29.88 inHg

9:00 AM

Severe thunderstorms

75° 💧 0.352 in 💨 4 mph H 90%29.88 inHg

10:00 AM

Thunderstorms

76° 💧 0.130 in 💨 10 mph H 91%29.88 inHg

11:00 AM

Light rain

78° 💧 0.007 in 💨 9 mph H 87%29.91 inHg

12:00 PM

Partly cloudy

82° 💧 0.002 in 💨 10 mph H 73%29.88 inHg

1:00 PM

Partly cloudy

84° 💧 None 💨 10 mph H 66%29.85 inHg

2:00 PM

Strong thunderstorm

86° 💧 None 💨 8 mph H 64%29.85 inHg

3:00 PM

Strong thunderstorm

86° 💧 0.001 in 💨 7 mph H 64%29.85 inHg

4:00 PM

Partly cloudy

86° 💧 0.002 in 💨 6 mph H 64%29.85 inHg

5:00 PM

Light thunderstorms

86° 💧 0.007 in 💨 6 mph H 65%29.85 inHg

6:00 PM

Sunny

85° 💧 0.002 in 💨 5 mph H 68%29.83 inHg

7:00 PM

Sunny

84° 💧 0.000 in 💨 3 mph H 76%29.85 inHg

8:00 PM

Clear night

81° 💧 None 💨 4 mph H 80%29.85 inHg

9:00 PM

Clear night

80° 💧 None 💨 11 mph H 70%29.88 inHg

10:00 PM

Clear night

77° 💧 None 💨 7 mph H 62%29.91 inHg

11:00 PM

Clear night

74° 💧 None 💨 4 mph H 65%29.94 inHg

Wednesday

12:00 AM

Clear night

74° 💧 None 💨 8 mph H 63%29.94 inHg

1:00 AM

Clear night

72° 💧 None 💨 7 mph H 60%29.94 inHg

2:00 AM

Clear night

69° 💧 None 💨 3 mph H 67%29.94 inHg

3:00 AM

Clear night

67° 💧 None 💨 4 mph H 69%29.94 inHg

4:00 AM

Clear night

66° 💧 None 💨 3 mph H 73%29.94 inHg

5:00 AM

Clear night

66° 💧 None 💨 1 mph H 73%30.00 inHg

6:00 AM

Mostly cloudy night

65° 💧 None 💨 3 mph H 80%30.00 inHg

7:00 AM

Mostly sunny

65° 💧 None 💨 6 mph H 78%30.03 inHg

10:00 AM

Sunny

71° 💧 None 💨 6 mph H 61%30.09 inHg

1:00 PM

Partly cloudy

76° 💧 None 💨 11 mph H 48%30.09 inHg

4:00 PM

Mostly sunny

78° 💧 None 💨 11 mph H 48%30.03 inHg

7:00 PM

Mostly sunny

73° 💧 None 💨 7 mph H 58%30.03 inHg

10:00 PM

Clear night

68° 💧 None 💨 6 mph H 64%30.06 inHg

Thursday

1:00 AM

Clear night

64° 💧 None 💨 5 mph H 72%30.06 inHg

4:00 AM

Clear night

61° 💧 None 💨 4 mph H 78%30.06 inHg

7:00 AM

Clear night

59° 💧 None 💨 4 mph H 79%30.06 inHg

10:00 AM

Sunny

72° 💧 None 💨 4 mph H 65%30.03 inHg

1:00 PM

Sunny

80° 💧 None 💨 9 mph H 40%29.97 inHg

4:00 PM

Sunny

83° 💧 None 💨 9 mph H 38%29.88 inHg

7:00 PM

Sunny

78° 💧 None 💨 8 mph H 53%29.83 inHg

10:00 PM

Clear night

74° 💧 None 💨 12 mph H 51%29.83 inHg

Friday

1:00 AM

Clear night

72° 💧 None 💨 16 mph H 57%29.80 inHg

4:00 AM

Partly cloudy night

70° 💧 None 💨 16 mph H 58%29.77 inHg

7:00 AM

Mostly cloudy night

69° 💧 None 💨 18 mph H 56%29.71 inHg

10:00 AM

Mostly cloudy

74° 💧 None 💨 14 mph H 55%29.68 inHg

1:00 PM

Mostly sunny

84° 💧 None 💨 18 mph H 48%29.59 inHg

4:00 PM

Partly cloudy

89° 💧 None 💨 17 mph H 48%29.53 inHg

7:00 PM

Sunny

86° 💧 None 💨 13 mph H 46%29.53 inHg

10:00 PM

Clear night

80° 💧 None 💨 14 mph H 42%29.68 inHg

Saturday

1:00 AM

Clear night

72° 💧 None 💨 13 mph H 40%29.80 inHg

4:00 AM

Clear night

65° 💧 None 💨 10 mph H 62%29.88 inHg

7:00 AM

Clear night

61° 💧 None 💨 8 mph H 69%29.97 inHg

1:00 PM

Partly cloudy

73° 💧 None 💨 5 mph H 41%30.00 inHg

7:00 PM

Partly cloudy

72° 💧 None 💨 5 mph H 50%29.94 inHg

Sunday

1:00 AM

Overcast night

65° 💧 None 💨 9 mph H 61%29.97 inHg

7:00 AM

Very heavy rain

59° 💧 None 💨 10 mph H 93%30.00 inHg

1:00 PM

Light rain

59° 💧 None 💨 12 mph H 88%30.03 inHg

7:00 PM

Partly cloudy

65° 💧 None 💨 12 mph H 70%30.00 inHg

Monday

1:00 AM

Light rain

62° 💧 None 💨 11 mph H 78%30.00 inHg

7:00 AM

Light rain

59° 💧 None 💨 9 mph H 96%29.88 inHg

1:00 PM

Moderate rain

72° 💧 None 💨 6 mph H 87%29.77 inHg

7:00 PM

Mostly sunny

66° 💧 None 💨 15 mph H 75%29.83 inHg

Tuesday

1:00 AM

Clear night

59° 💧 None 💨 10 mph H 82%30.00 inHg

7:00 AM

Clear night

53° 💧 None 💨 3 mph H 96%30.12 inHg

1:00 PM

Sunny

66° 💧 None 💨 3 mph H 65%30.21 inHg

7:00 PM

Sunny

66° 💧 None 💨 3 mph H 74%30.15 inHg

Wednesday

1:00 AM

Clear night

59° 💧 None 💨 6 mph H 84%30.24 inHg

7:00 AM

Clear night

56° 💧 None 💨 8 mph H 92%30.27 inHg

1:00 PM

Sunny

71° 💧 None 💨 12 mph H 64%30.27 inHg

7:00 PM

Overcast

70° 💧 None 💨 10 mph H 65%30.21 inHg

Thursday

1:00 AM

Mostly clear night

66° 💧 None 💨 10 mph H 77%30.24 inHg

7:00 AM

Partly cloudy night

65° 💧 None 💨 6 mph H 85%30.27 inHg

1:00 PM

Mostly sunny

76° 💧 None 💨 6 mph H 72%30.30 inHg

7:00 PM

Overcast

75° 💧 None 💨 9 mph H 75%30.30 inHg

Friday

1:00 AM

Partly cloudy night

67° 💧 None 💨 10 mph H 87%30.39 inHg

7:00 AM

Mostly clear night

63° 💧 None 💨 9 mph H 79%30.50 inHg

1:00 PM

Mostly sunny

69° 💧 None 💨 11 mph H 64%30.56 inHg

7:00 PM

Sunny

63° 💧 None 💨 8 mph H 67%30.50 inHg

Saturday

1:00 AM

Clear night

52° 💧 None 💨 5 mph H 87%30.56 inHg

7:00 AM

Clear night

47° 💧 None 💨 4 mph H 92%30.53 inHg

1:00 PM

Sunny

61° 💧 None 💨 7 mph H 56%30.45 inHg

7:00 PM

Sunny

60° 💧 None 💨 7 mph H 62%30.30 inHg

Sunday

1:00 AM

Clear night

52° 💧 None 💨 9 mph H 78%30.30 inHg

7:00 AM

Clear night

49° 💧 None 💨 10 mph H 86%30.27 inHg

1:00 PM

Mostly cloudy

65° 💧 None 💨 16 mph H 51%30.18 inHg

7:00 PM

Mostly sunny

63° 💧 None 💨 14 mph H 58%30.03 inHg

Monday

1:00 AM

Clear night

58° 💧 None 💨 15 mph H 69%30.06 inHg

7:00 AM

Partly cloudy night

56° 💧 None 💨 15 mph H 69%30.06 inHg

In Vermillion and, more broadly, across the state of South Dakota: As the afternoon progresses into the evening, the sky remains mostly sunny with just a few clouds overhead. Temperatures are mild to warm, ranging from 74 to 81 degrees Fahrenheit. Winds from the southeast are moderate, averaging up to 14 mph, with occasional gusts reaching 28 mph. No rain is expected during this time, providing a calm and pleasant evening. Residents can enjoy comfortable conditions with gentle breezes and clear skies.

15-Day Weather Outlook for Vermillion

TomorrowTomorrow

Mostly sunny 89°/73° 💧 None 💨 17 mph

Tuesday, Sep 8Tue Sep 8

Strong thunderstorm 86°/75° 💧 None 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 84°/65° 💧 0.785 in 💨 11 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 83°/59° 💧 None 💨 9 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 89°/69° 💧 None 💨 18 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 86°/61° 💧 0.000 in 💨 14 mph

Sunday, Sep 13Sun Sep 13

Very heavy rain 72°/59° 💧 3.226 in 💨 12 mph

Monday, Sep 14Mon Sep 14

Moderate rain 72°/59° 💧 0.698 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 66°/53° 💧 0.172 in 💨 15 mph

Wednesday, Sep 16Wed Sep 16

Sunny 71°/56° 💧 None 💨 12 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 76°/65° 💧 0.003 in 💨 10 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 75°/63° 💧 0.002 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Sunny 63°/47° 💧 None 💨 8 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 65°/49° 💧 None 💨 16 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 63°/56° 💧 None 💨 15 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Vermillion

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Vermillion

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 4,5µg/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 4,6µg/m³

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

O₃ Ozone Fair 73,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,5µg/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 Vermillion

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 3,8Moderate 🙂Fair

Tomorrow UV 7,5High 🙂Fair

Tuesday UV 6,5High 🙂Fair

Wednesday UV 6,6High 🙂Fair

Thursday UV 6,5High 🙂Fair

Friday UV 8,0Very high —Unavailable

Saturday UV 8,0Very high —Unavailable

Hourly UV index today

5:00 PMUV 1,8 6:00 PMUV 1,0 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.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

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 Vermillion

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · VERMILLION, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

69/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:32 PM–5:20 AM

☁ Cloud cover 38% Real hourly forecast for the best viewing hour.

☾ Moonlight 22% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 50° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min59%

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 Vermillion were last refreshed today at 4:25 PM. The current forecast period extends through 08/09/2026 at 2:00 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.