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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sun Jun 21 2026

NCZ001-220800-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
231 PM EDT Sun Jun 21 2026

Date           06/21/26      Mon 06/22/26            Tue 06/23/26            Wed
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                 62          77          61          70          55
TEMP          75 69 65 64 63 65 70 73 70 65 65 64 64 61 62 67 69 64 59 57 55 57
DEWPT         55 57 56 57 58 59 61 65 66 63 63 62 61 59 59 59 58 56 55 53 52 52
MIN/MAX RH                   84          72          95          68          90
RH            50 66 73 78 84 81 73 76 87 93 93 93 90 93 90 75 68 75 87 86 90 83
WIND DIR      SW  S SW SW SW SW SW SW  W  W  W NW NW NW NW NW NW NW NW NW NW  N
WIND SPD       4  5  8  9 10  9 11 10 10 13 17 19 20 21 14 11 12 14 12  9  6  5
CLOUDS        FW SC SC SC SC SC SC B2 B2 B2 B1 B1 B2 B1 B1 SC SC FW FW FW SC SC
CLOUDS(%)     22 37 33 50 48 31 35 81 80 75 63 57 72 52 51 30 30 19 25 23 31 26
VSBY          10 10 10 10 10 10 10  5  9  8  7  7  7  9 10 10 10 10            
POP 12HR                      5          90          80          30           0
RAIN SHWRS                         NM NM SC SC SC SC SC SC IS IS               
TSTMS                              NM NM SC                IS IS               
MIX HGT        6  2 <1 <1 <1  1  4  4  3  2 <1 <1  1  2  3  4  4  2            
T WIND DIR     S SW  S  S  S SW  W SW  W  W  W  W NW NW NW NW  N  N            
T WIND SPD     6  2  5  6  6 11 20 23 24 25 13 14 16 19 18 16 13 16            
DISPERSION       PR PR PR FR             FR GD GD GD             GD FR PR PR   
ADI           48  1  4  6  6 20 75 85 78 28 12 13 14 34 41 58 51 22            
MAX LVORI      1  3  3  4  4  3  3  3  4  4  5  5  5  4  4  3  1  3            
STABILITY      A  F  E  D  D  B  C  C  C  D  D  D  D  D  D  C  C  D            
CEILING        None  None  None  None   800   500   400  None  None  None      
STA PRES      26.70 26.70 26.67 26.68 26.67 26.69 26.71 26.77 26.79            


Date           06/24Thu 06/25/26Fri 06/26/26Sat 06/27/26Sun 06/28/26
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       75      59      75      60      75      61      76      63      79
TEMP          71 67 60 61 72 68 63 62 71 69 64 63 73 70 65 64 75 73
DEWPT         52 55 54 56 60 60 59 60 61 60 59 59 60 60 60 60 61 62
RH            51 65 81 84 66 76 87 93 71 73 84 87 64 71 84 87 62 68
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC B1 B1 SC SC B1 B2 SC SC SC B1 B1 SC B1 B1
POP 12HR            5       5      50      20      60      20      40      30      30
RAIN SHWRS                SC SC IS IS SC NM IS IS SC SC SC IS SC SC
TSTMS                        SC IS    IS SC IS    IS SC SC    IS 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