Point Forecast: Merrimac VA
 37.2N 80.41W (Elev. 2096 ft)
Last Update: 1:30 pm EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

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

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-ft)
Pressure (in)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Turner Stability Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)141516171819202122230001020304050607080910111213
Temperature (°F)848383828280777473727170706969686869717376798282
Dewpoint (°F)707070717170717070707069696868686868707171727271
Heat Index (°F)8987888786837777798687
Surface Wind (mph)233333322222222222235666
Wind DirSWSSSSSSWSSSSWSWSWSWSWSWSSWSWSWSWSWSWSW
Gust
Sky Cover (%)566267667585676362677468494440374652424341455358
Precipitation Potential (%)54606060585451423329231411911988111417232935
Relative Humidity (%)6164656869748290929596969698981009999969183797269
RainChcLklyLklyLklyLklyChcChcChcChcChcSChc------------------SChcSChcChcChc
ThunderChcChcChcChcChcChcChcChcChcChcSChc------------------SChcSChcSChcSChc

Date07/17
Hour (EDT)141516171819202122230001020304050607080910111213
Temperature (°F)838383838382797776747373727272717171727578818384
Dewpoint (°F)717171717171707071707070706969697070707172727271
Heat Index (°F)8787888887867977767578858889
Surface Wind (mph)676666332110000011122233
Wind DirSWSWSWSWSWSWSSSSSWSWSWSWSWSWSWSWSWSWWWWW
Gust
Sky Cover (%)717980847469515662676154484543403835384145515864
Precipitation Potential (%)435159675954433339453517888888131313121212
Relative Humidity (%)696867666769758085889091919293939494928780746966
RainChcChcLklyLklyLklyChcChcChcChcChcChcSChc------------------------
ThunderSChcSChcSChcSChcSChcChcChcChcSChcSChcSChc--------------------------

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