National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
232 PM EST Wed Mar 4 2026

NCZ001-050900-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
232 PM EST Wed Mar 4 2026

Date           03/04/26      Thu 03/05/26            Fri 03/06/26            Sat
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07

MIN/MAX TEMP                 49          67          51          67          54
TEMP          59 55 51 50 49 49 57 63 64 58 55 53 52 51 61 66 64 59 56 55 54 54
DEWPT         50 49 49 48 47 44 47 47 48 50 49 49 49 48 52 51 53 53 52 51 52 50
MIN/MAX RH                   92          54          90          59          93
RH            72 80 93 93 93 83 69 56 56 75 80 86 89 89 72 58 67 80 86 86 93 86
WIND DIR       W  W SW  W SW  W  W SW SW SW SW SW  W  W SW SW  S  S  S  S  S  S
WIND SPD      10  8  9 10  9  8  9  9 10 10 10 10 10  9  8  9 10 10 10 11 11 11
CLOUDS        B1 SC B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 FW FW SC SC SC
CLOUDS(%)     59 44 69 67 59 63 40 34 41 50 44 54 60 61 52 54 54 22 20 36 32 36
VSBY          10 10 10 10  8  3 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           5           0          30          10
RAIN SHWRS                                                 SC SC               
MIX HGT        4 <1 <1 <1 <1 <1  2  4  4 <1 <1 <1 <1 <1  2  4  3 <1            
T WIND DIR     W SW SW SW SW  W  W  W  W  S SW SW  W NW  W SW SW SW            
T WIND SPD    13  3  2  3  4  4  6 16 12  5  3  3  3  3  6  6  5  3            
DISPERSION       PR PR FR PR             FR FR FR FR             FR FR FR FR   
ADI           36  3  2  3  4  5 15 63 49  5  3  3  3  4 14 19 15  2            
MAX LVORI      3  5  6  6  6  5  3  1  1  3  5  5  6  6  3  2  3  4            
STABILITY      D  D  D  D  D  B  C  C  C  D  D  D  D  D  D  D  D  E            
CEILING               600 12200  None  None  None  8300  None  None  None      
STA PRES            26.86 26.81 26.84 26.82 26.85 26.86 26.90 26.88            


Date           03/07Sun 03/08/26Mon 03/09/26Tue 03/10/26Wed 03/11/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MAX/MIN TEMP       65      52      59      50      62      51      64      55      62
TEMP          61 58 55 54 56 55 53 51 57 56 53 52 61 59 57 56 58 57
DEWPT         52 52 51 49 50 46 45 42 43 43 45 44 49 49 52 50 52 51
RH            72 80 86 83 80 72 74 71 59 62 74 74 65 69 83 80 80 80
WIND SPD          <15     <15     <15     <15     <15     <15     <15     15>     15>
AVG CLOUDS    SC B1 B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B2 B2 B2
POP 12HR           50      30      50      30      30      20      30      20      50
RAIN SHWRS       SC SC SC SC SC SC IS SC SC    IS    SC    IS IS SC
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