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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sat Jul 18 2026

NCZ003-190800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
231 PM EDT Sat Jul 18 2026

Date           07/18/26      Sun 07/19/26            Mon 07/20/26            Tue
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                 71          90          68          85          69
TEMP          82 81 75 73 72 74 84 88 85 80 74 71 70 70 78 82 84 79 73 71 70 71
DEWPT         71 72 72 71 69 71 72 71 73 72 71 70 68 69 71 72 72 72 71 70 69 71
MIN/MAX RH                   93          58          98          67         100
RH            69 74 90 93 90 90 67 57 67 77 90 97 93 97 79 72 67 79 93 97 97100
WIND DIR       W  W  W  W  W  W  W  W  W  W NW  N  N  N  E  S  S  S  S SW SW SW
WIND SPD       6  4  4  5  4  4  5  5  3  2  2  3  4  4  3  4  3  2  2  3  4  5
CLOUDS        B2 B2 SC SC SC FW SC B2 B1 B1 SC SC SC SC SC B2 B2 B2 B2 B1 B1 B2
CLOUDS(%)     74 80 45 47 28 23 37 73 56 52 40 33 26 43 34 77 77 73 73 60 68 71
VSBY           7 10  9  9  8 10 10  9  9  6  7 10 10  7  7  6  6  6  6 10 10   
POP 12HR                     10          60          30          70          60
RAIN SHWRS    SC                   NM SC SC          IS IS NM NM NM NM IS IS SC
TSTMS         SC                   SC SC SC             IS SC SC SC IS         
MIX HGT        3 <1 <1 <1 <1 <1  4  4  3 <1 <1 <1 <1 <1  3  4  4 <1            
T WIND DIR     W  W  W  W SW  W  W  W  W  S  W NW NW  N  E  W NE NE            
T WIND SPD    16 12  6  4  3  5  6 12 12  2  3  3  2  2  4  3  8  5            
DISPERSION       VP VP PR VP             VP VP VP VP             VP VP VP VP   
ADI           48  8  5  3  2  6 34 67 43  1  2  2  1  3 19 13 41  3            
MAX LVORI      3  3  6  6  7  6  3  1  1  4  7  8  8  8  3  3  1  4            
STABILITY      C  E  E  E  F  A  A  A  B  F  G  G  F  A  A  C  B  F            
CEILING        3600  None  None  None  9900  None  None  None  1700  3600      
STA PRES      28.87 28.86 28.86 28.87 28.82 28.84 28.87 28.90 28.87            


Date           07/21Wed 07/22/26Thu 07/23/26Fri 07/24/26Sat 07/25/26
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       87      71      85      64      80      62      81      65      84
TEMP          84 82 74 72 83 79 67 64 78 75 64 64 79 76 66 67 81 78
DEWPT         73 72 72 72 72 69 64 63 63 64 62 62 65 65 64 65 67 67
RH            70 72 93100 70 72 90 97 60 69 93 93 62 69 93 93 63 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B2 B2 B2 SC SC SC SC FW SC SC SC SC B1 SC B1
POP 12HR           50      70      60      20      20      10      20      20      30
RAIN SHWRS    SC SC SC NM NM NM IS IS IS IS          IS IS IS IS SC
TSTMS         SC SC SC IS IS 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