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

VAZ046-220800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
731 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                 67          94          67          86          61
TEMP             85 75 70 67 72 87 93 89 79 73 71 69 71 81 85 83 78 69 65 62 66
DEWPT            62 60 59 58 62 68 67 70 72 70 68 67 68 67 67 66 65 63 59 57 59
MIN/MAX RH                   74          43          95          53          85
RH               46 60 68 73 71 53 43 54 79 90 90 93 90 63 55 57 64 81 81 84 78
WIND DIR          S SE  E  S SW SW SW SW  S SW  W  W NW NW NW  N  N  N  N  N  N
WIND SPD          2  2  2  2  4 11 13 10  5  5  5  5  5  6  6  6  4  4  3  3  3
WIND GUST                       21 24    16                                    
CLOUDS           SC SC B1 B1 FW SC SC B2 B2 B1 SC FW FW FW B1 B1 SC SC FW FW FW
CLOUDS(%)        45 50 55 54 10 27 49 81 84 65 34 13 25 23 63 63 42 37 24 24 12
VSBY             10 10 10 10 10 10 10 10  9 10 10  9 10 10 10 10 10 10 10 10   
POP 12HR                      5          80          50          50           5
RAIN SHWRS                         IS NM SC SC             SC SC               
TSTMS                              IS NM SC IS             SC SC               
MIX HGT          <1 <1 <1 <1  1  5  6  5 <1 <1 <1 <1  2  4  6  4 <1            
T WIND DIR        N  E NE  E SW SW SW SW  W  S SW  W  N  N  N  N  N            
T WIND SPD        0  2  2  1 12 25 25 25 25  5  6  6 18 16 11 11 14            
DISPERSION       VP VP VP VP             PR PR PR PR             VP VP VP VP   
ADI               0  1  1  1 18108115102 17  4  3  3 39 83 50 45 10            
MAX LVORI         2  3  3  4  3  1  1  1  3  6  6  6  4  1  1  1  2            
STABILITY         F  F  F  F  A  C  C  C  E  E  F  F  A  B  C  C  E            
CEILING              None  None  None  4700  9500  None  None  4700  None      
STA PRES            29.24 29.23 29.21 29.15 29.18 29.21 29.30 29.31            


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       86      63      89      68      90      67      90      68      93
TEMP          84 79 65 68 86 82 71 72 88 83 70 71 88 84 71 73 91 87
DEWPT         58 60 58 63 65 65 64 66 67 68 65 65 65 66 65 65 66 67
RH            41 52 78 84 50 56 79 81 50 61 84 81 47 55 81 76 44 52
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW CL FW FW B1 B1 SC B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR            0       5      30      40      40      30      20      20      20
RAIN SHWRS                   SC SC IS SC SC SC       IS IS IS    IS
TSTMS                        SC SC       SC          IS 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