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Rapid City, SD
 
 
 Point Forecast: Spearfish SD
 44.48N 103.85W (Elev. 3780 ft)
Last Update: 10:49 am MST Dec 16, 2017
Tabular Forecast
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Weather ElementsFire WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Mixing Height  
Haines Index
Lightning Activity Level
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-ft)
Dispersion Index
Quantitative Precipitation     info
    0.100.250.501.00
Snowfall     info
    0.1in1in3in6in12in

48-Hour Period Starting:       Forward 2 Days  

Date12/1612/17
Hour (MST)111213141516171819202122230001020304050607080910
Temperature (°F)323334343332313131302928272626262525242323242630
Dewpoint (°F)292827272627272625252424232323232322212020202121
Wind Chill (°F)262828282826262626252424272828282320191817182025
Surface Wind (mph)667766555553222235535555
Wind DirNWNWNNNNNNWWWWNWNWWWWSWSWSWSWSWSSWSW
Gust
Sky Cover (%)1001001001009999999999999998979593918782787366625747
Precipitation Potential (%)767676636363444444444444292929292929666666
Relative Humidity (%)888275757581858178818185858888889288888888848169
Rain------------------------------------------------
Thunder------------------------------------------------
SnowOcnlOcnlOcnlLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChc------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date12/18
Hour (MST)111213141516171819202122230001020304050607080910
Temperature (°F)343738373531282728293030303132343535363637384144
Dewpoint (°F)222222222221212120201918171717171818192020212223
Wind Chill (°F)303334323024212020212222222324262727282829313437
Surface Wind (mph)5566677788899910101011111111111315
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWWWWWWWWWWWWW
Gust151516162024
Sky Cover (%)423727222325262730313645494948485568747576777776
Precipitation Potential (%)111111000000111111666666
Relative Humidity (%)615452545966757871696360585653494949505250504643
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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