Track active hurricane 
Keystone, SD Hourly Weather Forecast
8:30 PM 20:30
Waxing crescent
Morning temperature of 23 °C, afternoon 32°, evening 25° and night 19°. Morning temperature of 74 degrees, afternoon 90°, evening 78° and night 67°.
Clear, afternoon cloudy.
0.08 in 2.1 mmUpdated 7/18 7:20 AM 07:20
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
+18° 65°
3 m/s 7 mph 11 kmh 2 BftDewpoint 13° 55°
Rel. hum. 77 %
Feels like +18° 64°
Pressure 1017 hPa 30 inHg 763.1 mmHg
Visibility 16000 m 10 mi
Rapid City/regional Airport, Sd.
+20° 68°Dewpoint 16° 61°
Rel. hum. 77 %
Feels like +20° 68°
Pressure 1018 hPa 30.1 inHg 763.5 mmHg
Visibility 16000 m 10 mi
Rapid City, Rapid City Regional Airport
+21° 69° 1 m/s 2 mph 4 kmh 1 BftDewpoint 16° 61°
Rel. hum. 73 %
Feels like +21° 70°
Pressure 1018 hPa 30.1 inHg 763.3 mmHg
Visibility 16000 m 10 mi
Nearest observations show current weather observations from your nearest weather stations.
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