National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

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

VAZ018-120800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
131 AM EDT Wed Mar 11 2026

Date           03/10/26      Wed 03/11/26            Thu 03/12/26            Fri
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                 59          82          40          48          31
TEMP                   64 64 61 71 80 81 73 70 63 50 40 45 44 45 40 36 33 32 32
DEWPT                  55 57 58 61 60 56 53 53 52 47 37 31 25 19 16 18 19 19 19
MIN/MAX RH                   87          43          95          34          61
RH                     73 78 90 71 51 42 49 55 67 89 89 58 47 35 37 47 56 58 58
WIND DIR                W  W  W SW SW SW SW SW  W NW NW NW NW NW NW NW  W  S  S
WIND SPD                5  5  2  5  8  9  8  9 10 14 18 16 13 11  5  2  2  2  4
WIND GUST                    14 19 25 28 27 31 33 39 47 43 36 32 23 14    12 18
CLOUDS                 SC OV B2 B1 SC SC B1 B1 OV OV OV B2 B1 FW FW CL CL SC SC
CLOUDS(%)              38 96 72 59 50 48 59 59 96 96 89 82 58 14  6  1  4 45 47
VSBY                   10 10 10 10 10 10 10  9  9  8  9  9  9  9  9            
POP 12HR                     10          40          90          50           0
RAIN                                               D  C  C                     
RAIN SHWRS                      SC SC IS SC SC  O                              
TSTMS                           IS                                             
MIX HGT                <1 <1 <1  2  5  7  3  2  3  1  2  3  4  7  2            
T WIND DIR              W  W  S SW SW SW SW SW NW NW NW NW NW NW NW            
T WIND SPD              5  5  3 14 25 34 13 14 27 29 27 27 25 20 13            
DISPERSION             PR PR             PR PR FR GD             PR VP VP VP   
ADI                     3  3  3 36150162 19 20 37 33 52 62 96 96  6            
MAX LVORI               4  6  6  3  1  1  2  2  3  4  4  1  1  1  2            
STABILITY               G  F  C  C  B  C  D  D  D  D  D  D  C  C  F            
CEILING                    3900  6500  None 11200  1500 12200  None  None      
STA PRES                  27.79 27.74 27.63 27.63 27.72 27.87 27.90            


Date           03/13Sat 03/14/26Sun 03/15/26Mon 03/16/26Tue 03/17/26
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       62      39      64      43      68      43      54      22      38
TEMP          57 55 47 39 60 56 47 44 64 63 59 45 44 36 28 23 36 32
DEWPT         23 28 29 27 28 33 35 37 48 48 51 42 27 18 12  8  7  6
RH            27 35 49 62 29 42 63 76 56 58 75 89 51 47 50 52 29 33
WIND SPD          <15     <15     <15     <15     <15     <15     15>     <15     <15
AVG CLOUDS    SC SC FW FW SC SC SC SC B1 B2 B2 B2 B2 B2 B1 SC SC SC
POP 12HR            0       0       0       5      30      80      60      20      10
RAIN SHWRS                               SC SC  O NM SC            
SNOWSHWRS                                            SC 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