National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Thu May 7 2026

NCZ006-080800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
731 PM EDT Thu May 7 2026

Date           05/07/26      Fri 05/08/26            Sat 05/09/26            Sun
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 42          72          50          77          54
TEMP             58 51 49 44 47 63 69 71 65 54 52 50 54 68 74 77 72 62 58 54 58
DEWPT            54 51 47 40 43 42 42 43 46 45 45 46 51 58 57 56 58 57 56 54 57
MIN/MAX RH                  100          36          91          49         100
RH               86100 93 86 86 46 37 36 50 71 77 86 90 70 55 48 61 84 93100 96
WIND DIR          E  W NW NW  N  E  S SW  S  S  S  S  S SW SW SW SW SW SW  N  N
WIND SPD          1  1  2  2  1  1  3  5  3  3  3  3  4  8  9  8  2  2  1  0  0
WIND GUST                                                  19                  
CLOUDS           B1 SC SC FW FW CL CL CL SC B1 SC FW B2 B1 SC SC SC SC SC SC SC
CLOUDS(%)        52 29 26 21 17  2  3  4 41 62 26 25 84 56 43 30 35 26 34 43 50
VSBY              9  9  9 10 10 10 10 10 10 10 10 10 10 10 10 10 10  9  5      
POP 12HR                      0           0           5          10           0
RAIN SHWRS                                                                     
MIX HGT          <1 <1 <1 <1 <1  4  6  7 <1 <1 <1 <1  1  4  5  6 <1            
T WIND DIR        N  W NW NW  W  N SW SW  S  S  S  S  S SW SW  W  W            
T WIND SPD        5  3  3  2  1  5  4 10  5  5  6  6 16 21 19 20  6            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  2  2  1  1 27 35 82  3  3  3  3 21 79122131  3            
MAX LVORI         5 10  7  6  5  2  1  1  2  3  4  6  4  3  1  1  3            
STABILITY         F  G  G  G  A  A  A  A  F  F  G  G  C  C  B  B  G            
CEILING              None  None  None  None  None  None  3000  None  None      
STA PRES            29.28 29.36 29.41 29.33 29.32 29.27 29.25 29.19            


Date           05/10Mon 05/11/26Tue 05/12/26Wed 05/13/26Thu 05/14/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       82      56      72      44      72      50      76      51      77
TEMP          80 74 62 58 67 65 48 48 69 65 53 53 73 69 57 55 74 70
DEWPT         57 60 58 56 53 48 43 43 41 45 43 48 52 54 52 52 53 53
RH            45 62 87 93 61 54 83 83 36 48 69 83 48 59 83 90 48 55
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 B2 B1 SC FW CL FW SC SC B1 B1 B1 SC SC FW
POP 12HR           10      40      50       5       0      10      40      30      10
RAIN SHWRS          IS SC SC SC                   IS SC SC IS      
TSTMS                        IS                      IS            

$$


This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.

Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)

DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew point temperature
MIN/MAX RH OR MAX/MIN RH(%).........Maximum/Minimum humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
     EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
   TYPE...
       RAIN...........Rain
       RAIN SHWRS.....Rain showers
       TSTMS..........Thunderstorms
       DRIZZLE........Drizzle
       SNOW...........Snow
       SNOWSHWRS......Snow showers
       SLEET..........Sleet
       FRZG RAIN......Freezing rain
       FRZG DRZL......Freezing drizzle
   COVERAGE...
       IS.............Isolated
       SC.............Scattered
       NM.............Numerous
       O..............Occasional
       S..............Slight chance
       C..............Chance
       L..............Likely
       WD.............Widespread
       D..............Definite
       AR.............Areas
       PA.............Patchy

MIX HGT(THOUSANDS OF FT AGL)........Mixing height
     Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
     Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure

Day 4 Through 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew Point temperature
RH(%)...............................Relative Humidity
WIND SPD(MPH).......................Wind Speed
     Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions