What is the weather in Spearfish right now?

Current weather in Spearfish is light rain.

Where can I find the hourly weather forecast for Spearfish?

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

Is the weather forecast for Spearfish updated regularly?

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

Now · 5:35 AM

Spearfish Weather & Hourly Forecast

United States · South Dakota · 57783

58°F

Light rain

Feels like: 59°F

💧 Humidity 84% 🌡 Pressure 29.91 inHg 💨 Wind 0 mph 👁 Visibility 15.8 mi ☁ Clouds 93% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:42 AM 🌇 Sunset 6:52 PM

Hourly Forecast for Spearfish

Today

6:00 AM

Light rain

58° 💧 0.114 in 💨 0 mph H 84%29.91 inHg

9:00 AM

Overcast

64° 💧 None 💨 5 mph H 80%29.91 inHg

12:00 PM

Overcast

75° 💧 0.009 in 💨 4 mph H 50%29.91 inHg

3:00 PM

Strong thunderstorm

73° 💧 0.040 in 💨 5 mph H 60%29.91 inHg

6:00 PM

Light thunderstorms

61° 💧 0.079 in 💨 5 mph H 97%30.00 inHg

9:00 PM

Clear night

58° 💧 None 💨 5 mph H 90%30.03 inHg

Tomorrow

12:00 AM

Clear night

58° 💧 None 💨 5 mph H 85%30.06 inHg

3:00 AM

Clear night

57° 💧 None 💨 5 mph H 83%30.06 inHg

6:00 AM

Clear night

56° 💧 None 💨 5 mph H 79%30.12 inHg

9:00 AM

Sunny

64° 💧 None 💨 2 mph H 67%30.15 inHg

12:00 PM

Partly cloudy

71° 💧 None 💨 3 mph H 39%30.15 inHg

3:00 PM

Overcast

73° 💧 None 💨 8 mph H 38%30.09 inHg

6:00 PM

Mostly cloudy

67° 💧 None 💨 6 mph H 55%30.09 inHg

9:00 PM

Overcast night

60° 💧 None 💨 8 mph H 62%30.12 inHg

Friday

12:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 62%30.12 inHg

3:00 AM

Partly cloudy night

51° 💧 None 💨 4 mph H 53%30.06 inHg

Today

6:00 AM

Light rain

58° 💧 0.031 in 💨 0 mph H 84%29.91 inHg

7:00 AM

Light rain

56° 💧 0.061 in 💨 3 mph H 89%29.94 inHg

8:00 AM

Light rain

58° 💧 0.023 in 💨 6 mph H 90%29.94 inHg

9:00 AM

Overcast

64° 💧 None 💨 5 mph H 80%29.91 inHg

10:00 AM

Overcast

70° 💧 None 💨 1 mph H 65%29.91 inHg

11:00 AM

Overcast

74° 💧 None 💨 1 mph H 51%29.91 inHg

12:00 PM

Overcast

75° 💧 None 💨 4 mph H 50%29.91 inHg

1:00 PM

Overcast

75° 💧 None 💨 5 mph H 56%29.91 inHg

2:00 PM

Light thunderstorms

73° 💧 0.009 in 💨 5 mph H 64%29.91 inHg

3:00 PM

Strong thunderstorm

73° 💧 0.001 in 💨 5 mph H 60%29.91 inHg

4:00 PM

Light rain

72° 💧 0.004 in 💨 4 mph H 65%29.91 inHg

5:00 PM

Light thunderstorms

65° 💧 0.035 in 💨 5 mph H 86%29.97 inHg

6:00 PM

Light thunderstorms

61° 💧 0.079 in 💨 5 mph H 97%30.00 inHg

7:00 PM

Strong thunderstorm

60° 💧 None 💨 5 mph H 95%30.00 inHg

8:00 PM

Partly cloudy night

59° 💧 None 💨 5 mph H 92%30.00 inHg

9:00 PM

Clear night

58° 💧 None 💨 5 mph H 90%30.03 inHg

10:00 PM

Clear night

58° 💧 None 💨 6 mph H 86%30.03 inHg

11:00 PM

Clear night

58° 💧 None 💨 6 mph H 86%30.06 inHg

Tomorrow

12:00 AM

Clear night

58° 💧 None 💨 5 mph H 85%30.06 inHg

1:00 AM

Clear night

57° 💧 None 💨 4 mph H 84%30.06 inHg

2:00 AM

Clear night

57° 💧 None 💨 4 mph H 83%30.06 inHg

3:00 AM

Clear night

57° 💧 None 💨 5 mph H 83%30.06 inHg

4:00 AM

Clear night

56° 💧 None 💨 5 mph H 83%30.09 inHg

5:00 AM

Clear night

56° 💧 None 💨 5 mph H 80%30.09 inHg

6:00 AM

Clear night

56° 💧 None 💨 5 mph H 79%30.12 inHg

7:00 AM

Sunny

56° 💧 None 💨 4 mph H 77%30.12 inHg

8:00 AM

Sunny

60° 💧 None 💨 3 mph H 74%30.15 inHg

9:00 AM

Sunny

64° 💧 None 💨 2 mph H 67%30.15 inHg

10:00 AM

Sunny

67° 💧 None 💨 0 mph H 53%30.15 inHg

11:00 AM

Sunny

70° 💧 None 💨 2 mph H 43%30.15 inHg

12:00 PM

Partly cloudy

71° 💧 None 💨 3 mph H 39%30.15 inHg

1:00 PM

Partly cloudy

73° 💧 None 💨 4 mph H 36%30.12 inHg

2:00 PM

Overcast

73° 💧 None 💨 6 mph H 36%30.09 inHg

3:00 PM

Overcast

73° 💧 None 💨 8 mph H 38%30.09 inHg

4:00 PM

Overcast

72° 💧 None 💨 8 mph H 39%30.09 inHg

5:00 PM

Overcast

70° 💧 None 💨 7 mph H 46%30.09 inHg

6:00 PM

Mostly cloudy

67° 💧 None 💨 6 mph H 55%30.09 inHg

7:00 PM

Mostly cloudy night

62° 💧 None 💨 8 mph H 61%30.09 inHg

8:00 PM

Overcast night

61° 💧 None 💨 8 mph H 61%30.12 inHg

9:00 PM

Overcast night

60° 💧 None 💨 8 mph H 62%30.12 inHg

10:00 PM

Partly cloudy night

59° 💧 None 💨 8 mph H 63%30.12 inHg

11:00 PM

Mostly cloudy night

58° 💧 None 💨 8 mph H 63%30.12 inHg

Friday

12:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 62%30.12 inHg

1:00 AM

Overcast night

55° 💧 None 💨 6 mph H 60%30.09 inHg

2:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 57%30.09 inHg

3:00 AM

Partly cloudy night

51° 💧 None 💨 4 mph H 53%30.06 inHg

4:00 AM

Mostly clear night

49° 💧 None 💨 3 mph H 51%30.06 inHg

5:00 AM

Partly cloudy night

49° 💧 None 💨 3 mph H 51%30.06 inHg

6:00 AM

Mostly cloudy night

48° 💧 None 💨 4 mph H 50%30.06 inHg

7:00 AM

Partly cloudy

49° 💧 None 💨 4 mph H 50%30.06 inHg

8:00 AM

Partly cloudy

54° 💧 None 💨 4 mph H 51%30.06 inHg

9:00 AM

Mostly cloudy

62° 💧 None 💨 3 mph H 46%30.03 inHg

10:00 AM

Overcast

66° 💧 None 💨 5 mph H 42%30.00 inHg

11:00 AM

Mostly cloudy

70° 💧 None 💨 8 mph H 40%29.97 inHg

12:00 PM

Mostly cloudy

72° 💧 None 💨 10 mph H 39%29.94 inHg

1:00 PM

Overcast

73° 💧 None 💨 12 mph H 39%29.88 inHg

2:00 PM

Mostly cloudy

74° 💧 None 💨 12 mph H 40%29.85 inHg

3:00 PM

Overcast

74° 💧 None 💨 13 mph H 41%29.83 inHg

4:00 PM

Mostly cloudy

72° 💧 None 💨 13 mph H 43%29.83 inHg

5:00 PM

Mostly cloudy

71° 💧 None 💨 12 mph H 48%29.83 inHg

6:00 PM

Mostly cloudy

68° 💧 None 💨 11 mph H 55%29.83 inHg

9:00 PM

Overcast night

62° 💧 None 💨 12 mph H 74%29.83 inHg

Saturday

12:00 AM

Mostly clear night

60° 💧 None 💨 5 mph H 82%29.77 inHg

3:00 AM

Partly cloudy night

56° 💧 None 💨 2 mph H 86%29.77 inHg

6:00 AM

Mostly clear night

56° 💧 None 💨 4 mph H 76%29.83 inHg

9:00 AM

Sunny

64° 💧 None 💨 8 mph H 62%29.88 inHg

12:00 PM

Sunny

67° 💧 None 💨 13 mph H 57%29.94 inHg

3:00 PM

Sunny

70° 💧 None 💨 7 mph H 34%29.91 inHg

6:00 PM

Sunny

65° 💧 None 💨 3 mph H 50%29.94 inHg

9:00 PM

Clear night

58° 💧 None 💨 6 mph H 51%30.00 inHg

Sunday

12:00 AM

Mostly clear night

55° 💧 None 💨 6 mph H 61%30.03 inHg

3:00 AM

Clear night

51° 💧 None 💨 6 mph H 84%30.06 inHg

6:00 AM

Overcast night

53° 💧 None 💨 7 mph H 82%30.09 inHg

9:00 AM

Overcast

59° 💧 None 💨 11 mph H 83%30.06 inHg

12:00 PM

Partly cloudy

67° 💧 None 💨 14 mph H 69%29.97 inHg

3:00 PM

Partly cloudy

72° 💧 None 💨 14 mph H 60%29.85 inHg

6:00 PM

Mostly cloudy

69° 💧 None 💨 14 mph H 63%29.83 inHg

9:00 PM

Mostly cloudy night

65° 💧 None 💨 17 mph H 77%29.77 inHg

Monday

12:00 AM

Mostly cloudy night

70° 💧 None 💨 17 mph H 55%29.68 inHg

3:00 AM

Mostly cloudy night

69° 💧 None 💨 14 mph H 41%29.62 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 5 mph H 59%29.68 inHg

9:00 AM

Partly cloudy

62° 💧 None 💨 14 mph H 75%29.74 inHg

12:00 PM

Light rain

58° 💧 None 💨 14 mph H 86%29.77 inHg

3:00 PM

Overcast

56° 💧 None 💨 15 mph H 77%29.85 inHg

6:00 PM

Partly cloudy

53° 💧 None 💨 11 mph H 69%29.88 inHg

Tuesday

12:00 AM

Clear night

49° 💧 None 💨 11 mph H 56%29.97 inHg

6:00 AM

Clear night

44° 💧 None 💨 10 mph H 79%30.06 inHg

12:00 PM

Sunny

56° 💧 None 💨 8 mph H 43%30.06 inHg

6:00 PM

Mostly sunny

55° 💧 None 💨 1 mph H 57%29.97 inHg

Wednesday

12:00 AM

Clear night

44° 💧 None 💨 5 mph H 61%29.88 inHg

6:00 AM

Mostly cloudy night

47° 💧 None 💨 2 mph H 54%29.74 inHg

12:00 PM

Mostly sunny

63° 💧 None 💨 8 mph H 42%29.77 inHg

6:00 PM

Partly cloudy

58° 💧 None 💨 9 mph H 53%29.83 inHg

Thursday

12:00 AM

Clear night

50° 💧 None 💨 14 mph H 52%30.03 inHg

6:00 AM

Clear night

44° 💧 None 💨 13 mph H 69%30.18 inHg

12:00 PM

Sunny

55° 💧 None 💨 15 mph H 36%30.18 inHg

6:00 PM

Sunny

54° 💧 None 💨 8 mph H 39%30.15 inHg

Friday

12:00 AM

Mostly clear night

41° 💧 None 💨 2 mph H 63%30.15 inHg

6:00 AM

Mostly cloudy night

38° 💧 None 💨 4 mph H 65%30.09 inHg

12:00 PM

Overcast

61° 💧 None 💨 5 mph H 39%30.00 inHg

6:00 PM

Mostly sunny

58° 💧 None 💨 7 mph H 47%29.91 inHg

Saturday

12:00 AM

Partly cloudy night

46° 💧 None 💨 2 mph H 71%29.94 inHg

6:00 AM

Clear night

49° 💧 None 💨 4 mph H 51%29.97 inHg

12:00 PM

Mostly sunny

67° 💧 None 💨 7 mph H 30%30.03 inHg

6:00 PM

Mostly cloudy

63° 💧 None 💨 1 mph H 45%30.00 inHg

Sunday

12:00 AM

Mostly cloudy night

50° 💧 None 💨 6 mph H 61%30.00 inHg

6:00 AM

Overcast night

51° 💧 None 💨 2 mph H 53%29.97 inHg

12:00 PM

Mostly sunny

72° 💧 None 💨 4 mph H 33%29.97 inHg

6:00 PM

Mostly sunny

69° 💧 None 💨 2 mph H 44%29.91 inHg

Monday

12:00 AM

Clear night

56° 💧 None 💨 7 mph H 52%29.88 inHg

6:00 AM

Clear night

62° 💧 None 💨 8 mph H 35%29.83 inHg

12:00 PM

Sunny

80° 💧 None 💨 16 mph H 23%29.88 inHg

6:00 PM

Sunny

67° 💧 None 💨 9 mph H 34%30.06 inHg

Tuesday

12:00 AM

Clear night

53° 💧 None 💨 4 mph H 66%30.21 inHg

6:00 AM

Clear night

47° 💧 None 💨 3 mph H 80%30.33 inHg

12:00 PM

Sunny

60° 💧 None 💨 4 mph H 38%30.36 inHg

6:00 PM

Sunny

56° 💧 None 💨 2 mph H 40%30.33 inHg

Wednesday

12:00 AM

Clear night

46° 💧 None 💨 1 mph H 46%30.39 inHg

6:00 AM

Clear night

40° 💧 None 💨 3 mph H 68%30.36 inHg

12:00 PM

Sunny

57° 💧 None 💨 10 mph H 38%30.27 inHg

6:00 PM

Sunny

55° 💧 None 💨 11 mph H 41%30.15 inHg

In Spearfish 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 Spearfish

TomorrowTomorrow

Partly cloudy 73°/56° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 74°/48° 💧 0.327 in 💨 13 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 70°/56° 💧 None 💨 13 mph

Sunday, Sep 27Sun Sep 27

Overcast 72°/51° 💧 0.019 in 💨 17 mph

Monday, Sep 28Mon Sep 28

Light rain 70°/53° 💧 0.186 in 💨 17 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 56°/44° 💧 None 💨 11 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 63°/44° 💧 0.004 in 💨 9 mph

Thursday, Oct 1Thu Oct 1

Sunny 55°/44° 💧 0.014 in 💨 15 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 61°/38° 💧 None 💨 7 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 67°/46° 💧 None 💨 7 mph

Sunday, Oct 4Sun Oct 4

Mostly cloudy 72°/50° 💧 None 💨 6 mph

Monday, Oct 5Mon Oct 5

Sunny 80°/56° 💧 None 💨 16 mph

Tuesday, Oct 6Tue Oct 6

Sunny 60°/47° 💧 None 💨 4 mph

Wednesday, Oct 7Wed Oct 7

Sunny 57°/40° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Spearfish

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Spearfish

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 0,9µg/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 2,1µg/m³

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

O₃ Ozone Good 51,3µg/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 favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Spearfish

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 5,2Moderate 😊Good

Tomorrow UV 5,2Moderate 🙂Fair

Friday UV 5,4Moderate 🙂Fair

Saturday UV 5,2Moderate 😐Moderate

Sunday UV 7,0High 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 Spearfish

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SPEARFISH, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:28 PM–5:07 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 95% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 59° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min72%

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 Spearfish were last refreshed today at 5:35 AM. The current forecast period extends through 25/09/2026 at 3:00 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.