National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 AM EDT Wed Mar 11 2026

NCZ001-112000-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
802 AM EDT Wed Mar 11 2026

Date             Wed 03/11/26            Thu 03/12/26            Fri 03/13/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 70          33          38          27          48
TEMP                63 69 69 63 60 55 47 37 31 33 35 33 30 29 29 30 38 45 47 43
DEWPT               55 54 51 49 50 52 47 35 26 21 16 14 15 15 14 15 16 20 23 26
MAX/MIN RH                   52         100          44          57          35
RH                  75 59 53 60 69 90100 92 81 61 45 45 53 55 53 53 40 36 38 51
WIND DIR            SW  W  W SW  W  W NW NW NW NW NW NW NW SW  S  S  S SW SW  W
WIND SPD            13 17 19 19 21 25 29 36 34 27 24 18 11  8 10 14 21 21 21 19
WIND GUST              27                                                      
CLOUDS              B1 SC SC SC B1 B2 OV OV B2 B2 FW CL CL FW FW FW FW SC SC FW
CLOUDS(%)           63 48 50 43 58 86 94 94 86 71 20  3  4  7  6  9 17 39 34 13
VSBY                10 10 10 10 10  9  7  6  7 10 10 10                        
POP 12HR                     10          90          40           0           0
RAIN SHWRS                      SC  O  O SC                                    
SNOWSHWRS                                   SC                                 
MIX HGT              3  5  6  1  2  2  1  1  2  4  5  2 <1 <1 <1 <1  2  5  4  2
T WIND DIR           W SW SW SW SW  W NW NW NW NW NW NW  N  S  S  S  S SW SW SW
T WIND SPD          23 25 25 10 10 11 21 24 26 33 31 19 13  1  2 10 14 13 14  8
DISPERSION                   GD GD GD GD             GD FR PR FR             GD
ADI                 50 79 81  9 12 13 20 38 47 87 92 22  9  1  2 11 27 42 43  9
MAX LVORI            3  1  1  3  3  5  5  4  3  1  1  2  2  3  2  2  2  1  1  2
STABILITY            D  D  D  D  D  D  D  D  D  D  D  D  E  E  E  D  D  D  D  D
CEILING              9800  None 17000   200   200  None  None  None  None  None
STA PRES            26.70 26.61 26.56 26.55 26.63 26.69 26.78 26.77 26.79 26.71


Date          Sat 03/14/26Sun 03/15/26Mon 03/16/26Tue 03/17/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       36      55      42      54      37      45      18      29
TEMP          41 37 53 49 44 43 50 53 53 42 32 28 23 19 27 26
DEWPT         28 29 31 34 35 37 44 46 48 37 23 14 11  7  5  6
RH            59 72 43 56 70 79 80 77 83 82 69 55 59 59 38 42
WIND SPD          15>     <15     <15     15>     15>     15>     15>     15>
AVG CLOUDS    FW FW SC SC FW FW B2 B2 B2 OV B2 B1 SC SC SC SC
POP 12HR            0       0       5      20      60      40      10      10
RAIN SHWRS                         IS SC NM SC               
SNOWSHWRS                                   SC SC            

$$


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