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Keystone, SD

38°F
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Keystone

South Dakota

38°
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Keystone, SD Weather
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Chevron right

4 AM

32°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindWNW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity41%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling33300 ft

5 AM

29°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindWNW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity48%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

26°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindWNW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity56%

Indoor Humidity26% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

29°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™26°

WindW 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity44%

Indoor Humidity24% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

33°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™31°

WindW 6 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts7 mph

Humidity35%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

37°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™34°

WindW 6 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts8 mph

Humidity31%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

43°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™41°

WindNNW 6 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts7 mph

Humidity26%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

48°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™46°

WindNE 5 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts6 mph

Humidity23%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

50°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™47°

WindENE 6 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts7 mph

Humidity23%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

51°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™47°

WindENE 8 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts9 mph

Humidity23%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

52°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™48°

WindE 9 mph

Air QualityPoor

Max UV Index1.8 (Low)

Wind Gusts10 mph

Humidity22%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

50°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™46°

WindE 8 mph

Air QualityPoor

Max UV Index1.4 (Low)

Wind Gusts9 mph

Humidity26%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

48°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™47°

WindE 6 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts7 mph

Humidity29%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

45°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™43°

WindE 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity34%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

41°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindESE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity39%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

37°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity46%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

34°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity52%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

31°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity57%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

28°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity63%

Indoor Humidity29% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

30°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity57%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States South Dakota Keystone

Weather Near Keystone:

  • Rapid City, SD
  • Sheridan, WY
  • Spearfish, SD
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