National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EDT Wed Jul 8 2026

VAZ046-082000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
431 AM EDT Wed Jul 8 2026

Date             Wed 07/08/26            Thu 07/09/26            Fri 07/10/26
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                 86          69          90          69          92
TEMP          71 72 78 84 84 79 74 73 71 72 81 87 87 82 74 72 70 74 86 91 89 83
DEWPT         71 72 75 76 76 76 74 73 71 72 76 75 74 74 72 70 68 71 73 72 72 73
MAX/MIN RH                   73         100          64          96          55
RH           100100 91 77 77 91100100100100 85 68 65 77 93 93 93 90 65 54 57 72
WIND DIR       N NE NE  E  E  E SE  S  S SW SW SW  W NW  W  W  W  W  W  W SW  W
WIND SPD       2  3  3  3  3  2  2  1  1  2  5  8  8  4  4  4  5  5  6  9  9  5
CLOUDS        B1 B1 B2 B1 B2 B2 B1 B2 B2 B2 SC B1 B1 SC FW FW FW FW FW B1 B1 SC
CLOUDS(%)     63 62 77 62 70 76 65 79 81 81 47 65 55 34 16 11 14 10 12 55 55 44
VSBY           2  2 10 10 10 10  6  7  6  5 10 10 10 10 10 10  7 10 10 10 10 10
POP 12HR                     40          30          70           5          30
RAIN SHWRS             SC SC SC SC IS IS       SC SC                   SC SC   
TSTMS                  SC SC SC SC             SC SC                   SC SC   
Obvis         PF PF                                                            
MIX HGT       <1 <1  2  3  2 <1 <1 <1 <1 <1  3  6  4 <1 <1 <1 <1 <1  4  3  4 <1
T WIND DIR    NE  E  E NE  E  E NE SE  S  S SW SW  W SW  W  W SW SW  W  W SW  W
T WIND SPD     4  9 11  8  9  8  1  5  6  5  5 11 11  1  2  2  2  3 16 18 32 18
DISPERSION    VP             VP VP VP VP             VP VP VP PR             PR
ADI            2 11 32 32 27  4  1  3  3  6 22 50 41  1  1  1  1  4 69 57119 12
MAX LVORI      9  7  4  3  3  6 10  9  9  8  4  1  1  4  7  8  8  6  1  1  1  3
STABILITY      F  B  B  B  B  F  F  F  F  B  A  C  C  F  F  F  F  A  B  C  C  E
CEILING              1100  2300  2700   600  None  None  None  None  None  None
STA PRES            29.32 29.30 29.29 29.27 29.27 29.19 29.20 29.20 29.19 29.10


Date          Sat 07/11/26Sun 07/12/26Mon 07/13/26Tue 07/14/26
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       69      88      66      85      65      85      65      90
TEMP          72 73 86 80 70 70 82 80 68 68 83 79 68 69 87 84
DEWPT         70 71 73 72 69 68 68 67 65 66 66 67 64 65 65 67
RH            93 93 65 77 97 93 63 65 90 93 57 67 87 87 48 57
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC B1 B2 B1 B1 B1 B1 B1 B1 SC SC SC FW FW FW
POP 12HR           20      70      40      40      30      20      10      10
RAIN SHWRS       IS SC NM SC IS SC SC SC SC    IS            
TSTMS               IS SC SC       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