National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat Jul 11 2026

VAZ012-112000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 AM EDT Sat Jul 11 2026

Date             Sat 07/11/26            Sun 07/12/26            Mon 07/13/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 77          61          76          58          74
TEMP                71 75 75 71 66 64 63 64 69 72 72 68 65 63 61 61 66 69 72 69
DEWPT               68 67 67 67 65 64 63 64 69 68 68 65 64 63 61 61 65 65 64 63
MAX/MIN RH                   73         100          81         100          76
RH                  90 76 76 87 97100100100100 87 87 90 97100100100 97 87 76 81
WIND DIR            NW  W SW  W NW  N  N NW SE SE  E  E  E  E  E  E  E  E  E  E
WIND SPD             3  4  4  3  2  0  0  1  1  1  1  2  2  2  3  3  3  3  2  2
CLOUDS              B2 B2 B2 B1 B2 OV OV B2 B2 OV B2 B2 OV OV OV B2 B2 B2 B2 B2
CLOUDS(%)           77 84 75 66 78 88 89 87 81 91 83 81 88 88 88 84 80 82 78 75
VSBY                 9  9  8  9  6  6  5  6  9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     60          70          80          80          70
RAIN SHWRS          IS SC NM SC NM SC SC SC SC NM NM NM NM  O  O NM NM NM NM SC
TSTMS                  SC SC SC             SC SC SC IS             IS SC SC IS
Obvis                           PF PF PF PF                                    
MIX HGT              2  3  3 <1 <1 <1 <1 <1  1  3  2 <1 <1 <1 <1  1  2  3  3  2
T WIND DIR          NW  W  W  W  W  W  W  W SW  S  S  E  E  E  E  E  E  E  E  E
T WIND SPD          12 14 12  9  5  3  5  3  5  4  3  9 11  6  5 11 17 12 17 13
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 38 47 39  4  3  2  3  4 11 17  9  4  5  3  3 19 38 43 55  6
MAX LVORI            4  3  3  5  8 10  9  9  7  4  5  6  9  9  9  5  4  4  3  4
STABILITY            B  C  C  F  F  F  F  B  B  B  B  F  F  F  F  B  B  B  B  F
CEILING              1100   800   100   100   200   900   500   100   200   200
STA PRES            27.32 27.31 27.31 27.31 27.35 27.34 27.35 27.32 27.36 27.37


Date          Tue 07/14/26Wed 07/15/26Thu 07/16/26Fri 07/17/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       58      83      60      88      63      89      62      87
TEMP          61 61 78 75 63 64 83 79 65 67 84 79 65 65 82 78
DEWPT         60 61 64 65 61 63 65 66 63 66 66 66 63 65 65 65
RH            97100 62 71 93 97 55 64 93 97 55 64 93100 56 64
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 SC FW FW FW SC CL FW FW SC FW SC SC B1
POP 12HR           30      20       0      20       5      20      10      40
RAIN SHWRS    SC       IS          IS          IS       IS SC
TSTMS         IS       IS          IS          IS       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