Point Forecast: McHenry MD
 39.56N 79.36W (Elev. 2500 ft)
Last Update: 1:32 pm EDT May 8, 2024
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  
Haines Index
Lightning Activity Level
Trans. Wind  
Vent Rate (x1000 mph-ft)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date05/0805/09
Hour (EDT)151617181920212223000102030405060708091011121314
Temperature (°F)757576747267656362616060595859585859606162636465
Dewpoint (°F)555453535353535252525252535353545556575858596060
Heat Index (°F)757576
Surface Wind (mph)20201816139776555555556789999
Wind DirWWWWWWWWWWWSWSWSWSSSSSSSSSWSW
Gust3030282420
Sky Cover (%)284452474237373737506376788183889499999898918578
Precipitation Potential (%)2222233355560606060606080808080808080
Relative Humidity (%)504845485161656770727575808380869090909087878784
Rain----------------------LklyLklyLklyLklyLklyLklyOcnlOcnlOcnlOcnlOcnlOcnlOcnl
Thunder----------------------ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyOcnl

Date05/10
Hour (EDT)151617181920212223000102030405060708091011121314
Temperature (°F)666766656462605857565655545352525151515050515152
Dewpoint (°F)605959585756565553525252515150494948484747474646
Heat Index (°F)
Surface Wind (mph)101011111110131311131314141515141413141415151616
Wind DirSWSWWWWWWWWWWWWWWWWWWWWWWW
Gust212020212122222223222121212122232324
Sky Cover (%)757168697071706968696970696766697275818793908683
Precipitation Potential (%)808080808050505050505050505050505050505050505050
Relative Humidity (%)817578787881879086868690909393899389898989868380
RainOcnlOcnlOcnlOcnlOcnlChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChc
ThunderOcnlOcnlOcnlOcnlOcnlSChcSChcSChcSChcSChcSChc--------------------------

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