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Current weather in White Horse is clear sky.

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

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

Now · 7:42 AM

White Horse Weather & Hourly Forecast

United States · South Dakota · 57555

64°F

Sunny

Feels like: 64°F

💧 Humidity 85% 🌡 Pressure 29.85 inHg 💨 Wind 6 mph 👁 Visibility 6.2 mi ☁ Clouds 1% ☀️ UV index 0.2 · Low 🌅 Sunrise 6:07 AM 🌇 Sunset 7:16 PM

Hourly Forecast for White Horse

Today

9:00 AM

Sunny

64° 💧 None 💨 6 mph H 85%29.85 inHg

12:00 PM

Sunny

72° 💧 None 💨 6 mph H 61%29.83 inHg

3:00 PM

Mostly cloudy

85° 💧 None 💨 11 mph H 21%29.71 inHg

6:00 PM

Partly cloudy

89° 💧 None 💨 18 mph H 17%29.65 inHg

9:00 PM

Mostly cloudy night

82° 💧 None 💨 10 mph H 30%29.71 inHg

Tomorrow

12:00 AM

Mostly cloudy night

78° 💧 None 💨 9 mph H 27%29.68 inHg

3:00 AM

Overcast night

73° 💧 None 💨 9 mph H 28%29.71 inHg

6:00 AM

Overcast night

73° 💧 None 💨 9 mph H 41%29.71 inHg

9:00 AM

Mostly cloudy

76° 💧 None 💨 13 mph H 32%29.71 inHg

12:00 PM

Partly cloudy

92° 💧 None 💨 17 mph H 18%29.68 inHg

3:00 PM

Sunny

93° 💧 None 💨 16 mph H 11%29.65 inHg

6:00 PM

Sunny

95° 💧 None 💨 14 mph H 8%29.62 inHg

9:00 PM

Clear night

83° 💧 None 💨 5 mph H 13%29.68 inHg

Friday

12:00 AM

Clear night

77° 💧 None 💨 3 mph H 13%29.71 inHg

3:00 AM

Clear night

77° 💧 None 💨 5 mph H 15%29.71 inHg

6:00 AM

Clear night

76° 💧 None 💨 8 mph H 19%29.74 inHg

Today

9:00 AM

Sunny

64° 💧 None 💨 6 mph H 85%29.85 inHg

10:00 AM

Sunny

65° 💧 None 💨 3 mph H 82%29.85 inHg

11:00 AM

Sunny

68° 💧 None 💨 6 mph H 75%29.85 inHg

12:00 PM

Sunny

72° 💧 None 💨 6 mph H 61%29.83 inHg

1:00 PM

Sunny

78° 💧 None 💨 6 mph H 42%29.80 inHg

2:00 PM

Mostly cloudy

83° 💧 None 💨 6 mph H 25%29.74 inHg

3:00 PM

Mostly cloudy

85° 💧 None 💨 11 mph H 21%29.71 inHg

4:00 PM

Mostly cloudy

88° 💧 None 💨 15 mph H 17%29.68 inHg

5:00 PM

Partly cloudy

89° 💧 None 💨 17 mph H 16%29.68 inHg

6:00 PM

Partly cloudy

89° 💧 None 💨 18 mph H 17%29.65 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 15 mph H 18%29.65 inHg

8:00 PM

Sunny

85° 💧 None 💨 8 mph H 24%29.68 inHg

9:00 PM

Mostly cloudy night

82° 💧 None 💨 10 mph H 30%29.71 inHg

10:00 PM

Mostly cloudy night

81° 💧 None 💨 8 mph H 30%29.71 inHg

11:00 PM

Mostly cloudy night

80° 💧 None 💨 8 mph H 28%29.71 inHg

Tomorrow

12:00 AM

Mostly cloudy night

78° 💧 None 💨 9 mph H 27%29.68 inHg

1:00 AM

Overcast night

73° 💧 None 💨 9 mph H 26%29.68 inHg

2:00 AM

Overcast night

73° 💧 None 💨 7 mph H 27%29.68 inHg

3:00 AM

Overcast night

73° 💧 None 💨 9 mph H 28%29.71 inHg

4:00 AM

Overcast night

72° 💧 None 💨 8 mph H 31%29.68 inHg

5:00 AM

Overcast night

72° 💧 None 💨 10 mph H 36%29.71 inHg

6:00 AM

Overcast night

73° 💧 None 💨 9 mph H 41%29.71 inHg

7:00 AM

Overcast night

73° 💧 None 💨 7 mph H 44%29.71 inHg

8:00 AM

Overcast

71° 💧 None 💨 11 mph H 40%29.71 inHg

9:00 AM

Mostly cloudy

76° 💧 None 💨 13 mph H 32%29.71 inHg

10:00 AM

Partly cloudy

84° 💧 None 💨 16 mph H 26%29.68 inHg

11:00 AM

Partly cloudy

90° 💧 None 💨 16 mph H 22%29.71 inHg

12:00 PM

Partly cloudy

92° 💧 None 💨 17 mph H 18%29.68 inHg

1:00 PM

Partly cloudy

94° 💧 None 💨 17 mph H 16%29.68 inHg

2:00 PM

Sunny

94° 💧 None 💨 16 mph H 12%29.65 inHg

3:00 PM

Sunny

93° 💧 None 💨 16 mph H 11%29.65 inHg

4:00 PM

Sunny

94° 💧 None 💨 16 mph H 9%29.62 inHg

5:00 PM

Sunny

94° 💧 None 💨 17 mph H 8%29.62 inHg

6:00 PM

Sunny

95° 💧 None 💨 14 mph H 8%29.62 inHg

7:00 PM

Sunny

94° 💧 None 💨 11 mph H 9%29.65 inHg

8:00 PM

Sunny

90° 💧 None 💨 6 mph H 11%29.65 inHg

9:00 PM

Clear night

83° 💧 None 💨 5 mph H 13%29.68 inHg

10:00 PM

Clear night

80° 💧 None 💨 4 mph H 14%29.71 inHg

11:00 PM

Clear night

79° 💧 None 💨 3 mph H 13%29.71 inHg

Friday

12:00 AM

Clear night

77° 💧 None 💨 3 mph H 13%29.71 inHg

1:00 AM

Clear night

75° 💧 None 💨 5 mph H 13%29.71 inHg

2:00 AM

Clear night

77° 💧 None 💨 6 mph H 15%29.74 inHg

3:00 AM

Clear night

77° 💧 None 💨 5 mph H 15%29.71 inHg

4:00 AM

Clear night

77° 💧 None 💨 6 mph H 16%29.71 inHg

5:00 AM

Clear night

76° 💧 None 💨 8 mph H 17%29.74 inHg

6:00 AM

Clear night

76° 💧 None 💨 8 mph H 19%29.74 inHg

7:00 AM

Clear night

75° 💧 None 💨 8 mph H 21%29.74 inHg

8:00 AM

Sunny

77° 💧 None 💨 7 mph H 22%29.77 inHg

9:00 AM

Partly cloudy

82° 💧 None 💨 8 mph H 24%29.80 inHg

10:00 AM

Mostly cloudy

89° 💧 None 💨 8 mph H 19%29.77 inHg

11:00 AM

Mostly cloudy

94° 💧 None 💨 9 mph H 19%29.74 inHg

12:00 PM

Mostly cloudy

97° 💧 None 💨 11 mph H 19%29.74 inHg

1:00 PM

Mostly cloudy

101° 💧 None 💨 12 mph H 13%29.71 inHg

2:00 PM

Mostly cloudy

103° 💧 None 💨 10 mph H 12%29.68 inHg

3:00 PM

Partly cloudy

104° 💧 None 💨 10 mph H 12%29.68 inHg

4:00 PM

Partly cloudy

105° 💧 None 💨 15 mph H 12%29.65 inHg

5:00 PM

Partly cloudy

103° 💧 None 💨 16 mph H 14%29.62 inHg

6:00 PM

Mostly cloudy

99° 💧 None 💨 11 mph H 18%29.62 inHg

7:00 PM

Mostly cloudy

84° 💧 None 💨 21 mph H 43%29.68 inHg

8:00 PM

Light rain

80° 💧 0.01 in 💨 11 mph H 48%29.71 inHg

9:00 PM

Mostly clear night

76° 💧 None 💨 15 mph H 53%29.74 inHg

10:00 PM

Mostly clear night

75° 💧 None 💨 14 mph H 56%29.77 inHg

11:00 PM

Mostly clear night

75° 💧 None 💨 16 mph H 57%29.77 inHg

Saturday

12:00 AM

Mostly clear night

77° 💧 None 💨 14 mph H 53%29.74 inHg

1:00 AM

Mostly clear night

77° 💧 None 💨 16 mph H 52%29.74 inHg

2:00 AM

Mostly clear night

77° 💧 None 💨 18 mph H 51%29.74 inHg

3:00 AM

Clear night

78° 💧 None 💨 20 mph H 46%29.74 inHg

4:00 AM

Clear night

78° 💧 None 💨 16 mph H 43%29.74 inHg

5:00 AM

Clear night

77° 💧 None 💨 15 mph H 42%29.74 inHg

6:00 AM

Clear night

76° 💧 None 💨 14 mph H 41%29.74 inHg

7:00 AM

Clear night

75° 💧 None 💨 13 mph H 42%29.77 inHg

8:00 AM

Sunny

77° 💧 None 💨 14 mph H 39%29.77 inHg

9:00 AM

Sunny

83° 💧 None 💨 14 mph H 33%29.77 inHg

10:00 AM

Sunny

90° 💧 None 💨 13 mph H 27%29.77 inHg

11:00 AM

Sunny

94° 💧 None 💨 12 mph H 23%29.77 inHg

12:00 PM

Sunny

97° 💧 None 💨 13 mph H 22%29.77 inHg

1:00 PM

Sunny

100° 💧 None 💨 12 mph H 20%29.74 inHg

2:00 PM

Sunny

102° 💧 None 💨 13 mph H 19%29.74 inHg

3:00 PM

Sunny

103° 💧 None 💨 12 mph H 18%29.71 inHg

4:00 PM

Sunny

103° 💧 None 💨 11 mph H 18%29.71 inHg

5:00 PM

Sunny

103° 💧 None 💨 11 mph H 17%29.68 inHg

6:00 PM

Sunny

102° 💧 None 💨 11 mph H 18%29.68 inHg

7:00 PM

Sunny

99° 💧 None 💨 8 mph H 20%29.68 inHg

8:00 PM

Light rain

89° 💧 0.01 in 💨 5 mph H 30%29.71 inHg

9:00 PM

Light rain

83° 💧 0.01 in 💨 6 mph H 38%29.77 inHg

10:00 PM

Light rain

78° 💧 0.01 in 💨 21 mph H 53%29.80 inHg

11:00 PM

Mostly cloudy night

85° 💧 None 💨 11 mph H 33%29.77 inHg

Sunday

12:00 AM

Mostly cloudy night

81° 💧 None 💨 7 mph H 38%29.77 inHg

1:00 AM

Mostly cloudy night

80° 💧 None 💨 7 mph H 39%29.77 inHg

2:00 AM

Overcast night

79° 💧 None 💨 8 mph H 41%29.77 inHg

3:00 AM

Overcast night

78° 💧 None 💨 7 mph H 44%29.77 inHg

4:00 AM

Overcast night

77° 💧 None 💨 6 mph H 46%29.77 inHg

5:00 AM

Overcast night

77° 💧 None 💨 5 mph H 46%29.77 inHg

6:00 AM

Overcast night

77° 💧 None 💨 4 mph H 47%29.80 inHg

7:00 AM

Overcast night

76° 💧 None 💨 3 mph H 50%29.80 inHg

8:00 AM

Overcast

77° 💧 None 💨 6 mph H 47%29.83 inHg

In White Horse and, more broadly, across the state of South Dakota: This morning, the sky features a mix of sun and clouds, with temperatures starting around 57 degrees and warming up through the day. As the afternoon approaches, expect temperatures to reach up to 86 degrees in the heat of the day. There is a possibility of rain, with an estimated accumulation of about 0.04 inches, and the chance of rain remains high. Winds will be light, coming from the south at speeds up to 7 mph, with gusts reaching 10 mph. Overall, the day will be warm with a mix of sun and clouds, and a brief, light rain could occur at any time. Be prepared for changing weather conditions if you plan to be outdoors.

15-Day Weather Outlook for White Horse

TomorrowTomorrow

Partly cloudy 95°/71° 💧 None 💨 17 mph

Friday, Sep 4Fri Sep 4

Light rain 105°/75° 💧 0.01 in 💨 21 mph

Saturday, Sep 5Sat Sep 5

Light rain 103°/75° 💧 0.03 in 💨 21 mph

Sunday, Sep 6Sun Sep 6

Light rain 101°/70° 💧 0.14 in 💨 18 mph

Monday, Sep 7Mon Sep 7

Light rain 99°/70° 💧 0.17 in 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 84°/69° 💧 None 💨 20 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 78°/55° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Light rain 88°/66° 💧 0.12 in 💨 15 mph

Friday, Sep 11Fri Sep 11

Light rain 89°/65° 💧 0.11 in 💨 9 mph

Saturday, Sep 12Sat Sep 12

Light rain 86°/67° 💧 0.03 in 💨 22 mph

Sunday, Sep 13Sun Sep 13

Sunny 89°/66° 💧 None 💨 22 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 87°/60° 💧 None 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Sunny 96°/61° 💧 None 💨 25 mph

Wednesday, Sep 16Wed Sep 16

Sunny 78°/64° 💧 None 💨 25 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 67°/52° 💧 None 💨 16 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in White Horse

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for White Horse

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 AM

PM2.5 Fine particles Good 2,0µg/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 44,0µg/m³

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

NO₂ Nitrogen dioxide Good 2,0µg/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 White Horse

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 7,1High 😊Good

Tomorrow UV 7,2High 🙂Fair

Friday UV 7,0High 🙂Fair

Saturday UV 7,5High 🙂Fair

Sunday UV 8,0Very high 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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 White Horse

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.49 Population: 238

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Forecast data for White Horse were last refreshed today at 8:42 AM. The current forecast period extends through 04/09/2026 at 6:00 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.