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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
245 PM EDT Fri Jul 17 2026

NCZ006-180800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
245 PM EDT Fri Jul 17 2026

Date           07/17/26      Sat 07/18/26            Sun 07/19/26            Mon
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                 75          94          72          92          68
TEMP          97 92 82 79 76 78 91 92 93 83 79 76 74 75 87 91 88 83 75 72 69 71
DEWPT         68 69 69 70 70 72 72 70 70 73 73 73 72 73 74 72 73 73 73 72 69 71
MIN/MAX RH                   85          46          98          54         100
RH            39 47 65 74 82 82 54 49 47 72 82 90 93 94 65 54 61 72 94100100100
WIND DIR       E  E  N  S  S SW SW SW SW SW SW SW SW  W  W  W  W NE  N  N  N  N
WIND SPD       3  1  0  1  1  2  5  9  9  5  2  2  2  2  4  4  3  1  0  0  0  1
CLOUDS        SC SC SC B1 B1 SC FW B1 B1 B2 B1 FW SC B1 SC B2 B2 B2 B2 B1 B1 B1
CLOUDS(%)     29 38 48 58 53 26 16 65 53 72 57 19 38 56 42 73 73 82 82 52 59 55
VSBY           4  4  5 10 10  5 10  7  5  6  6 10 10 10 10  3  3  6            
POP 12HR                      5          40          60          60          70
RAIN SHWRS                         IS SC NM                NM NM NM NM SC SC SC
TSTMS                              IS SC SC                SC SC SC SC IS      
Obvis          K  K  K        K                                                
MIX HGT        7 <1 <1 <1 <1 <1  5  7  5 <1 <1 <1 <1 <1  3  6  5 <1            
T WIND DIR    SE  S SE  S  S SW SW SW SW SW  W SW SW  W NW NW  W  W            
T WIND SPD     6  8  3  3  5  6 17 17 19 18  3  4  3 12 16 11 11 11            
DISPERSION       VP VP VP VP             PR VP VP VP             VP VP VP VP   
ADI           59  4  2  2  3  7100 80 80 12  2  2  2 16 71 77 61  5            
MAX LVORI      1  2  3  3  5  4  1  1  1  3  5  6  7  5  1  1  1  3            
STABILITY      A  G  F  F  F  A  A  C  C  E  F  G  G  B  A  B  B  F            
CEILING        None  None  None  None  4500  None  None  None  7400  7900      
STA PRES      29.34 29.35 29.33 29.33 29.23 29.22 29.23 29.25 29.21            


Date           07/20Tue 07/21/26Wed 07/22/26Thu 07/23/26Fri 07/24/26
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      69      92      73      89      67      85      65      86
TEMP          85 82 73 72 89 87 78 75 87 83 71 69 83 80 68 68 84 81
DEWPT         73 72 72 72 74 72 72 73 73 71 67 65 65 65 65 65 66 66
RH            67 72 97100 61 61 82 94 63 67 87 87 55 60 90 90 55 60
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC SC B1 B1 SC SC B1 B2 B1 B1 SC SC FW SC FW SC
POP 12HR           50      20      20      20      60      40      10      20      20
RAIN SHWRS    SC SC IS       IS IS    SC NM SC SC       IS IS    IS
TSTMS            SC IS       IS IS    IS SC 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