National Weather Service United States Department of Commerce

Fire Weather Forecast Banner for Grayson County

Print This Forecast (Printer-Friendly)

FNUS51 KRNK 221942

Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
342 PM EDT Sun Oct 22 2017


...A widespread wetting rain overspreads the area on Monday and
Monday evening...

A strong cold front will approach our area tonight and move through the 
region Monday night. In advance of this front, showers and even a few
thunderstorms will bring one to four inches of rain by Monday night. The 
greatest rainfall totals will fall from the northwest North Carolina 
mountains into southeast Virginia, especially along the Blue Ridge.
High pressure returns mid-week with cooler temperatures and lower humidity 

Including the cities of Independence, Whitetop, Troutdale, 
and Volney
342 PM EDT Sun Oct 22 2017

                      Tonight      Mon          Mon Night    Tue          

Cloud cover           PCldy        Cloudy       PCldy        PCldy        
Precip type           Showers      Tstms        Tstms        Showers      
Chance precip (%)     30           90           90           0            
Min/Max Temp          53           65           47           61           
Max/Min RH %          100          84           100          47           
Wnd20ft2min/Early(mph)SE  3        SE  9G29     S 11G27      W  6G18      
Wnd20ft2min/Late(mph) SE  7G28     SE 13G32     W  7G22      W  9G22      
Precip amount         0.06         1.21         0.73         0.00         
Precip duration       1            8            8                         
Precip begin          2 AM         Continuing   Continuing                
Precip end            Continuing   Continuing   6 AM                      
Mixing hgt(ft-AGL)                 3450                      5890         
Transport wnd (mph)                SE 40                     W 13         
Vent rate (mph-ft)                 138000                    76570        
Dispersion(evening)   POOR                      GOOD                      
LAL                   1            1            1            1            
Haines Index          2            2            3            3            
ADI early             58 GEN GOOD  41 GEN GOOD  62 GOOD      44 GEN GOOD  
ADI late              17 GEN POOR  98 GOOD      22 FAIR      36 FAIR      
Max LVORI early       3            5            8            5            
Max LVORI late        5            4            8            3            


.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows in the mid
30s. Highs around 50. Minimum RH 55 percent. West winds 15 to
20 mph. 
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the mid
30s. Highs in the lower 50s. Minimum RH 47 percent. West winds
10 to 15 mph. 
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 30s.
Highs around 60. Minimum RH 49 percent. Southwest winds 5 to
10 mph. 
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 40s.
Highs around 60. Minimum RH 59 percent. South winds 10 to 15 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A chance of showers.
Lows in the lower 40s. Highs in the mid 50s. Minimum RH
66 percent. Southwest winds 15 to 20 mph.

Temperatures below normal.  Precipitation below normal.