Keystone, SD

Hourly

3 PM

66° RealFeel® 70° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 7% Intermittent clouds

• RealFeel Shade™: 63°
• Wind: SE 10 mph
• Air Quality: Fair
• Max UV Index: 6 (High)
• Wind Gusts: 16 mph
• Humidity: 48%
• Indoor Humidity: 45% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 58%
• Visibility: 10 mi
• Cloud Ceiling: 18100 ft

4 PM

66° RealFeel® 67° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 6% Mostly cloudy

• RealFeel Shade™: 63°
• Wind: SE 10 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 16 mph
• Humidity: 44%
• Indoor Humidity: 41% (Ideal Humidity)
• Dew Point: 44° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 79%
• Visibility: 10 mi
• Cloud Ceiling: 16400 ft

5 PM

66° RealFeel® 65° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 5% Mostly cloudy

• RealFeel Shade™: 62°
• Wind: SE 10 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 16 mph
• Humidity: 45%
• Indoor Humidity: 41% (Ideal Humidity)
• Dew Point: 44° F
• AccuLumen Brightness Index™: 3 (Dull)
• Cloud Cover: 88%
• Visibility: 10 mi
• Cloud Ceiling: 18200 ft

6 PM

65° RealFeel® 64° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 5% Cloudy

• RealFeel Shade™: 62°
• Wind: SSE 9 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 16 mph
• Humidity: 46%
• Indoor Humidity: 41% (Ideal Humidity)
• Dew Point: 44° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 90%
• Visibility: 10 mi
• Cloud Ceiling: 20000 ft

7 PM

64° RealFeel® 62° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 8% Mostly cloudy

• RealFeel Shade™: 62°
• Wind: SE 9 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 15 mph
• Humidity: 48%
• Indoor Humidity: 41% (Ideal Humidity)
• Dew Point: 44° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 82%
• Visibility: 10 mi
• Cloud Ceiling: 23300 ft

8 PM

61° RealFeel® 57° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 51% Partly sunny w/ t-storms

• RealFeel Shade™: 57°
• Wind: SE 8 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 20 mph
• Humidity: 55%
• Indoor Humidity: 44% (Ideal Humidity)
• Dew Point: 45° F
• AccuLumen Brightness Index™: 3 (Dull)
• Cloud Cover: 31%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 30000 ft

9 PM

60° RealFeel® 58° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 47% Mostly clear

• Wind: SE 7 mph
• Air Quality: Fair
• Wind Gusts: 17 mph
• Humidity: 58%
• Indoor Humidity: 44% (Ideal Humidity)
• Dew Point: 45° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

58° RealFeel® 56° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 34% Mostly clear

• Wind: SE 7 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 61%
• Indoor Humidity: 43% (Ideal Humidity)
• Dew Point: 45° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

56° RealFeel® 53° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 14% Mostly clear

• Wind: SE 7 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 64%
• Indoor Humidity: 41% (Ideal Humidity)
• Dew Point: 44° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft