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 EDT Thu Mar 12 2026

VAZ018-130800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
232 PM EDT Thu Mar 12 2026

Date           03/12/26      Fri 03/13/26            Sat 03/14/26            Sun
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                 30          59          39          62          41
TEMP          43 37 35 31 30 31 44 55 58 53 50 46 42 39 50 59 62 54 48 46 42 41
DEWPT         20 17 19 19 20 20 25 29 31 31 32 31 30 29 30 29 31 34 34 34 34 35
MIN/MAX RH                   66          35          68          30          78
RH            39 44 52 61 66 63 47 37 36 43 50 55 62 67 46 32 31 46 58 63 73 79
WIND DIR      NW NW NW  W  W SW  S SW SW  W  W  W  W  W  W  W  W SE SE SE SE SE
WIND SPD      11  6  3  2  2  4 10 12 12 10 10 10  6  5  5  4  3  2  2  2  2  2
WIND GUST     33 27 17    13 18 31 35 36 34 32 31 26 20 20 16 13       13 13 13
CLOUDS        CL CL CL FW SC SC FW FW FW FW FW FW FW SC SC B1 B1 SC SC FW FW SC
CLOUDS(%)      3  5  2 12 46 34 13 12  8  6  9  9 21 36 42 53 52 45 27 22 24 34
VSBY          10 10 10 10 10 10 10 10 10  9 10 10 10 10 10  9  9  9  9 10 10   
POP 12HR                      0           0           0           0           0
MIX HGT        6  3 <1 <1 <1 <1  2  5  6  4  3  2 <1 <1  2  4  5 <1            
T WIND DIR    NW NW NW SW SW  S  S SW SW SW  W  W  W  W NW  W SW  E            
T WIND SPD    31 11  5  3  4  6 21 27 29 11 10 10 12 10 19 11  6  3            
DISPERSION       PR VP VP VP             FR FR FR PR             VP VP VP VP   
ADI          138  5  3  2  2  7 59113131  8  7  7  6 11 61 43 41  2            
MAX LVORI      1  2  2  3  3  3  1  1  1  2  2  2  3  3  1  1  1  2            
STABILITY      C  F  G  G  F  B  C  C  C  E  E  E  F  B  B  C  B  F            
CEILING        None  None  None  None  None  None  None  None  None  None      
STA PRES      27.78 27.87 27.86 27.78 27.64 27.69 27.77 27.87 27.89            


Date           03/15Mon 03/16/26Tue 03/17/26Wed 03/18/26Thu 03/19/26
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       59      50      64      23      36      22      45      30      54
TEMP          57 56 54 56 58 45 29 24 33 29 24 23 42 38 33 32 51 47
DEWPT         45 47 51 54 45 22 12  7  5  2  4  7  8 15 18 21 30 32
RH            64 72 90 93 62 40 48 47 30 31 41 50 24 38 53 63 44 56
WIND SPD          <15     <15     15>     15>     15>     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 OV OV B2 B1 B1 SC SC SC SC SC B1 SC SC B1 B1
POP 12HR           20      70      90      20       5       5      10      10      20
RAIN SHWRS       IS NM NM  O NM                                    
SNOWSHWRS                       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