National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EDT Tue Sep 8 2026

NCZ003-090800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
201 AM EDT Tue Sep 8 2026

Date           09/07/26      Tue 09/08/26            Wed 09/09/26            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                 60          83          60          84          64
TEMP                      62 62 73 78 81 73 66 63 61 62 74 81 84 76 70 67 65 66
DEWPT                     60 60 62 59 59 58 57 56 56 58 62 62 62 63 61 62 62 62
MIN/MAX RH                   96          47          87          48          91
RH                        93 93 68 52 47 59 73 78 84 87 66 53 48 64 73 84 90 87
WIND DIR                   E NE  E SE SE SE NE  W NW NW SW SW SW  S SW SW SW SW
WIND SPD                   2  3  3  3  2  1  1  1  1  2  4  5  4  3  3  4  4  4
CLOUDS                    FW FW SC SC FW FW CL FW FW FW FW FW FW CL CL CL CL FW
CLOUDS(%)                 15 14 29 31 20 18  3 13 16 22 16 22 15  4  3  2  4  6
VSBY                      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  5  5 <1 <1 <1 <1 <1  3  5  6 <1            
T WIND DIR                SE NE SE  S  S  W NW NW NW  W SW SW SW SW            
T WIND SPD                 2  1  5  3  3  1  1  2  2  1 13 11 13  5            
DISPERSION                VP             VP VP VP VP             VP VP VP VP   
ADI                        1  1 27 22 22  1  1  1  1  1 50 73 98  3            
MAX LVORI                  8  8  3  2  2  3  4  5  5  6  1  1  1  3            
STABILITY                  G  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  29.19 29.23 29.20 29.22 29.22 29.21 29.12            


Date           09/10Fri 09/11/26Sat 09/12/26Sun 09/13/26Mon 09/14/26
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       89      68      87      67      85      66      85      65      86
TEMP          87 80 70 69 83 77 69 68 80 76 69 68 82 77 68 66 83 76
DEWPT         65 66 66 67 69 70 68 68 71 70 69 68 70 69 67 65 66 65
RH            48 62 87 93 63 79 97100 74 82100100 67 76 97 97 57 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW B1 SC B2 B1 B1 B1 B1 B1 SC SC SC FW FW FW FW
POP 12HR            5      20      60      50      50      40      20      10      20
RAIN SHWRS             IS IS NM SC    IS SC SC       IS          IS
TSTMS                  IS    SC IS       SC SC       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