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Record-shattering March scorcher to bring summerlike heat to Southwest. See how hot it will get. Chevron right

Keystone, SD

45°F
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Keystone

South Dakota

45°
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Keystone, SD Weather
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8 AM

45°
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
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™37°

WindWNW 13 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts15 mph

Humidity53%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling19400 ft

9 AM

45°
RealFeel® 38°
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
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™36°

WindWNW 14 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts17 mph

Humidity57%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling18500 ft

10 AM

51°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™43°

WindWNW 15 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts20 mph

Humidity45%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling22300 ft

11 AM

54°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™46°

WindNW 16 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts24 mph

Humidity39%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling26200 ft

12 PM

57°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™50°

WindNW 17 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts27 mph

Humidity34%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

59°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™52°

WindNW 18 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts31 mph

Humidity32%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

61°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™55°

WindNW 21 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts38 mph

Humidity31%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

60°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™53°

WindNW 20 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts37 mph

Humidity32%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

60°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™53°

WindNW 20 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts36 mph

Humidity33%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

High Wind Warning

8:00 AM Tuesday - 6:00 PM Tuesday

RealFeel Shade™51°

WindNW 17 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts33 mph

Humidity36%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

55°
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™48°

WindNW 16 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts28 mph

Humidity40%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling18600 ft

7 PM

53°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™46°

WindNW 15 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts28 mph

Humidity43%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling18600 ft

8 PM

51°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNW 12 mph

Air QualityFair

Wind Gusts22 mph

Humidity46%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling18600 ft

9 PM

50°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindNW 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity48%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover74%

Visibility10 mi

Cloud Ceiling18600 ft

10 PM

49°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindNW 10 mph

Air QualityFair

Wind Gusts15 mph

Humidity49%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling22400 ft

11 PM

48°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNW 10 mph

Air QualityFair

Wind Gusts14 mph

Humidity51%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover36%

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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