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Spearfish, SD

63°F
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Spearfish

South Dakota

63°
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Spearfish, SD Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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9 AM

67°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™65°

WindSE 7 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts8 mph

Humidity35%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

72°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™69°

WindESE 8 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts9 mph

Humidity29%

Indoor Humidity29% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™74°

WindE 9 mph

Air QualityPoor

Max UV Index6.4 (High)

Wind Gusts10 mph

Humidity26%

Indoor Humidity26% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

79°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™76°

WindENE 9 mph

Air QualityPoor

Max UV Index8.3 (Very High)

Wind Gusts13 mph

Humidity24%

Indoor Humidity24% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

82°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™79°

Heat Index80°

WindE 9 mph

Air QualityPoor

Max UV Index9.1 (Very High)

Wind Gusts16 mph

Humidity22%

Indoor Humidity22% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

85°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™82°

Heat Index82°

WindE 10 mph

Air QualityPoor

Max UV Index8.3 (Very High)

Wind Gusts20 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

87°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™84°

Heat Index84°

WindE 10 mph

Air QualityPoor

Max UV Index6.4 (High)

Wind Gusts23 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

89°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™85°

Heat Index85°

WindESE 10 mph

Air QualityPoor

Max UV Index4.6 (Moderate)

Wind Gusts15 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

90°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™87°

Heat Index87°

WindESE 10 mph

Air QualityPoor

Max UV Index3.2 (Moderate)

Wind Gusts13 mph

Humidity17%

Indoor Humidity17% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

88°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™85°

Heat Index85°

WindSE 12 mph

Air QualityPoor

Max UV Index2.1 (Low)

Wind Gusts13 mph

Humidity18%

Indoor Humidity18% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™83°

Heat Index83°

WindSSE 13 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts15 mph

Humidity19%

Indoor Humidity19% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

83°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

RealFeel Shade™80°

Heat Index81°

WindS 14 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts22 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover71%

Visibility10 mi

Cloud Ceiling26300 ft

9 PM

81°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

WindS 14 mph

Air QualityPoor

Wind Gusts25 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling24500 ft

10 PM

78°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

WindSSW 15 mph

Air QualityPoor

Wind Gusts22 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling26300 ft

11 PM

76°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Red Flag Warning

12:00 PM Wednesday - 9:00 PM Thursday

WindSSW 16 mph

Air QualityPoor

Wind Gusts21 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling28200 ft

Hourly Weather Forecast for Spearfish

AccuWeather's hourly forecast for Spearfish provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 67° with a RealFeel® of 70°, sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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World North America United States South Dakota Spearfish

Weather Near Spearfish:

  • Rapid City, SD
  • Rapid Valley, SD
  • Sheridan, WY
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