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Historic Thanksgiving travel surge collides with coast-to-coast storm. See the forecast. Chevron right
Atmospheric river to drench Pacific Northwest Thanksgiving Week. Get the forecast. Chevron right

Keystone, SD

44°F
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Keystone, SD Weather
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Winter Center
Today WinterCast

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

WinterCast

Little to no accumulation

Mon, 11/24, 7:00 PM - Tue, 11/25, 1:00 AM

Snow

12 AM

40°
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 clear

WindWNW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity53%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

1 AM

39°
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 clear

WindWNW 6 mph

Air QualityExcellent

Wind Gusts8 mph

Humidity56%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

38°
RealFeel® 36°
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

WindWNW 6 mph

Air QualityExcellent

Wind Gusts8 mph

Humidity57%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

38°
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

WindWNW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity57%

Indoor Humidity33% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

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

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity58%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

36°
RealFeel® 34°
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

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity60%

Indoor Humidity33% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

36°
RealFeel® 33°
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

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity62%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

35°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™33°

WindW 5 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity65%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

37°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™36°

WindWSW 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity61%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

41°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™38°

WindSSW 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts7 mph

Humidity54%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

45°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™41°

WindS 7 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts8 mph

Humidity49%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

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

RealFeel Shade™43°

WindS 8 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts10 mph

Humidity45%

Indoor Humidity36% (Dry)

Dew Point28° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

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

RealFeel Shade™46°

WindS 9 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts13 mph

Humidity41%

Indoor Humidity36% (Dry)

Dew Point28° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

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

RealFeel Shade™43°

WindSSW 16 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts27 mph

Humidity39%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

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

RealFeel Shade™41°

WindSSW 17 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts29 mph

Humidity41%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

50°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™40°

WindSSW 16 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts27 mph

Humidity40%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

47°
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
Partly sunny

RealFeel Shade™38°

WindSSW 15 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts25 mph

Humidity44%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

45°
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
Partly cloudy

WindSW 14 mph

Air QualityFair

Wind Gusts24 mph

Humidity48%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

42°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Partly cloudy

WindWSW 14 mph

Air QualityFair

Wind Gusts25 mph

Humidity53%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

41°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 51%
Chevron down
Flurries

WindW 7 mph

Air QualityFair

Wind Gusts14 mph

Humidity56%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Snowtrace

Visibility10 mi

Cloud Ceiling7000 ft

8 PM

42°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 46%
Chevron down
Mostly cloudy

WindWNW 8 mph

Air QualityFair

Wind Gusts15 mph

Humidity54%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

40°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Mostly cloudy

WindWNW 10 mph

Air QualityFair

Wind Gusts21 mph

Humidity57%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling22400 ft

10 PM

39°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 52%
Chevron down
Flurries

WindNW 15 mph

Air QualityFair

Wind Gusts24 mph

Humidity61%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover78%

Snowtrace

Visibility10 mi

Cloud Ceiling7000 ft

11 PM

37°
RealFeel® 23°
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 43%
Chevron down
Cloudy

WindNW 18 mph

Air QualityFair

Wind Gusts28 mph

Humidity64%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7100 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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