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 Point Forecast: Sterling VA
 38.99N 77.41W (Elev. 99 m)
Last Update: 6:32 pm EST Jan 19, 2020
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire Weather
Temperature (°C)
Dewpoint (°C)
Wind Chill (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Mixing Height  
Haines Index
Lightning Activity Level
Trans. Wind  
Vent Rate (x1000 mph-m)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index

48-Hour Period Starting:       Back 2 Days  

Date01/1901/20
Hour (EST)212223000102030405060708091011121314151617181920
Temperature (°C)-2-3-3-3-4-4-4-4-4-4-6-5-4-3-2-1-100-1-2-2-3-4
Dewpoint (°C)-9-9-9-10-10-10-10-10-10-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11
Wind Chill (°C)-9-9-9-10-10-11-11-11-11-11-12-12-11-9-8-7-6-5-5-6-7-8-9-9
Surface Wind (mph)151514141313131313131314151515141313131311111010
Wind DirNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNNNWNWNWNW
Gust
Sky Cover (%)2021232527252627272829262320171411111010109910
Precipitation Potential (%)222111111111111111111100
Relative Humidity (%)586060606265656565626865605551494745434548535760
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date01/21
Hour (EST)212223000102030405060708091011121314151617181920
Temperature (°C)-4-4-5-5-5-6-6-6-6-6-6-6-4-3-2-11111-1-1-2-3
Dewpoint (°C)-10-10-10-11-11-11-11-11-11-11-11-11-10-10-10-10-10-10-9-9-9-9-9-8
Wind Chill (°C)-9-10-10-9-9-10-11-12-11-11-11-10-10-8-7-4-3-3-3-4-5-5-6-7
Surface Wind (mph)99877788766791098789109766
Wind DirNWNWNWNWNWNWNWNWNWNWNWNWNWNNWNWNWNWNWNWNWNWNWNW
Gust
Sky Cover (%)11121211111317191611891112119889911141616
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)626568656568687171717168655753494545454751556065
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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