Track active hurricane 
Keystone, SD Hourly forecast
8:30 PM 20:30
Waning gibbous
Morning temperature of 14 °C, afternoon 20°, evening 15° and night 11°. Morning temperature of 58 degrees, afternoon 69°, evening 60° and night 52°.
Afternoon cloudy, evening clear, morning and night fog.
0 in 0 mmUpdated 6/4 7:20 PM 19:20
The hourly local weather forecast shows hour by hour weather conditions like temperature, feels like temperature, humidity, amount of precipitation and chance of precipitation, wind and gusts for Keystone.
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Nearest Observations
Custer, Custer County Airport
+17° 62°
4 m/s 9 mph 14 kmh 3 BftDewpoint 12° 54°
Rel. hum. 72 %
Feels like +17° 63°
Pressure 1014 hPa 29.9 inHg 760.6 mmHg
Visibility 16000 m 10 mi
Rapid City/regional Airport, Sd.
+22° 71°Dewpoint 14° 57°
Rel. hum. 60 %
Feels like +22° 72°
Pressure 1015 hPa 30 inHg 761.2 mmHg
Visibility 16000 m 10 mi
Rapid City, Rapid City Regional Airport
+21° 69°
4 m/s 9 mph 14 kmh 3 BftDewpoint 13° 55°
Rel. hum. 64 %
Feels like +21° 70°
Pressure 1014 hPa 29.9 inHg 760.6 mmHg
Visibility 16000 m 10 mi
Nearest observations show current weather observations from your nearest weather stations.