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 Fri Jul 3 2026

VAZ046-032000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Fri Jul 3 2026

Date             Fri 07/03/26            Sat 07/04/26            Sun 07/05/26
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                100          76         104          73         100
TEMP                92 99100 91 80 77 76 80 96102101 90 79 75 73 77 93 99 97 87
DEWPT               73 71 70 71 69 68 67 70 70 69 68 68 69 69 68 70 71 68 66 69
MAX/MIN RH                   37          75          33          84          35
RH                  54 41 38 52 69 74 74 72 43 35 35 49 72 82 84 79 49 37 36 55
WIND DIR             E  S  S SW SW  W  W NW  E  S  S  S NE  W  W  W  S  S  S  E
WIND SPD             4  3  3  3  4  3  3  2  3  5  6  4  4  2  2  2  3  6  6  5
CLOUDS              CL CL FW FW FW FW SC FW FW SC B1 SC SC SC SC FW FW B1 B1 B1
CLOUDS(%)            1  5 17 14 19 19 37 14 15 43 51 38 40 39 26 14 16 58 58 67
VSBY                10 10 10 10 10 10 10 10 10  7  7  7  7 10 10 10 10 10 10 10
POP 12HR                     10           5          30          20          40
RAIN SHWRS                                        SC IS IS             SC SC SC
TSTMS                                             SC IS IS             SC SC SC
MIX HGT              4  7  9 <1 <1 <1 <1 <1  4  9  7 <1 <1 <1 <1 <1  4  9 10  1
T WIND DIR          NE SW  W  W  W NW  N NW SE  W  W  S SW  W SW SW  W SW  S  W
T WIND SPD           5  3  5  9  3  3  3  2  1  5  5  1  3  4  4  3  3 10  8 12
DISPERSION                   VP VP VP VP             VP VP VP VP             PR
ADI                 31 29 57  4  2  2  2  2  6 57 43  1  2  2  2  3 17 55 43  8
MAX LVORI            1  2  1  2  3  3  3  3  2  1  1  2  3  5  5  4  2  1  1  2
STABILITY            A  A  A  G  F  G  G  A  A  A  B  F  F  G  G  A  A  C  C  E
CEILING              None  None  None  None  None  None  None  None  None  6000
STA PRES            29.37 29.29 29.29 29.28 29.30 29.22 29.21 29.23 29.21 29.14


Date          Mon 07/06/26Tue 07/07/26Wed 07/08/26Thu 07/09/26
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       71      95      70      92      69      90      69      92
TEMP          73 75 94 83 72 73 91 82 71 72 88 84 71 73 90 85
DEWPT         70 71 71 72 71 71 71 71 69 69 69 69 68 69 69 70
RH            90 87 47 70 97 93 52 69 93 90 54 61 90 87 50 61
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC B2 B1 B1 SC B1 B1 SC SC B1 B1 SC SC B1
POP 12HR           50      60      50      50      40      30      30      40
RAIN SHWRS    SC       NM SC IS    SC SC       SC SC    IS SC
TSTMS         SC       SC SC       SC SC       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