National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Tue Apr 7 2026

NCZ003-080800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
231 AM EDT Tue Apr 7 2026

Date           04/06/26      Tue 04/07/26            Wed 04/08/26            Thu
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                 39          64          31          59          32
TEMP                      42 44 53 59 62 53 45 40 36 36 47 54 58 50 44 39 36 38
DEWPT                     32 31 30 27 24 24 20 19 18 17 20 22 23 25 24 26 26 27
MIN/MAX RH                   68          24          56          26          78
RH                        67 60 41 29 23 32 36 42 47 45 34 28 26 37 45 59 67 64
WIND DIR                  NW  N  N  N  N  N  N NE  N NE  E  E  E  E  N  N  N  N
WIND SPD                   1  2  6  6  6  3  4  2  1  1  5  5  5  2  0  0  0  0
CLOUDS                    SC SC SC FW FW FW FW CL CL CL FW FW SC SC SC SC SC SC
CLOUDS(%)                 48 40 34 24 17 10  6  4  4  4  9 14 26 33 38 45 47 45
VSBY                      10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT                   <1  1  4  6  6 <1 <1 <1  1  2  3  4  4 <1 <1 <1 <1 <1
T WIND DIR                NW  N  N NW  N  N NE NE  E  E  E  E SE  E  E  E NE NE
T WIND SPD                 8 12 14 13 10 12  9  5 13 14 10  9 10  8  4  4  2  3
DISPERSION                VP             VP VP VP VP             VP VP VP VP   
ADI                        4 20 68 88 72  6  4  3  6 33 39 43 53  4  2  2  1  3
MAX LVORI                  3  2  1  1  1  2  2  2  2  1  1  1  1  2  2  3  3  3
STABILITY                  F  A  B  B  B  G  F  G  G  A  A  A  A  G  G  F  F  A
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  28.25 28.35 28.34 28.43 28.50 28.58 28.52 28.55 28.53


Date           04/09Fri 04/10/26Sat 04/11/26Sun 04/12/26Mon 04/13/26
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       65      38      76      46      81      50      81      52      82
TEMP          62 58 43 42 72 65 50 48 78 72 57 53 78 73 59 55 80 75
DEWPT         33 36 34 35 42 44 40 40 48 50 48 48 52 50 49 50 52 51
RH            33 44 70 76 34 46 68 74 35 46 72 83 40 44 69 83 38 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW FW FW CL FW FW SC SC FW FW FW FW SC SC SC
POP 12HR            5       5       5       0       5       0       0       0       0

$$


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