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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 PM EDT Sat Jul 4 2026
VAZ046-050800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
931 PM EDT Sat Jul 4 2026
Date 07/04/26 Sun 07/05/26 Mon 07/06/26 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 97 72 91 69
TEMP 75 74 74 77 89 96 95 86 78 75 73 74 86 91 88 81 74 71 69 72
DEWPT 67 67 68 69 70 68 67 68 68 69 70 71 72 72 72 73 72 71 69 71
MIN/MAX RH 89 38 92 53 100
RH 76 79 82 76 54 40 40 55 71 82 90 90 63 54 59 77 93100100 97
WIND DIR E E SW E S S S W E NE N N SW SW NE SE W NW NW N
WIND SPD 3 2 2 2 3 6 8 4 3 3 3 2 3 5 5 3 2 2 3 3
CLOUDS SC SC FW FW FW FW B1 B1 B1 B1 B1 B1 B1 OV OV B2 B2 B1 B1 SC
CLOUDS(%) 48 42 23 17 22 25 53 61 52 61 67 60 57 89 89 76 76 56 54 48
VSBY 10 9 8 10 10 10 10 10 10 6 3 2 10 10 10 10
POP 12HR 30 40 40 80 60
RAIN SHWRS SC SC SC O O NM NM IS IS
TSTMS SC SC IS SC NM SC IS
MIX HGT <1 <1 <1 <1 3 8 7 <1 <1 <1 <1 1 4 6 3 <1
T WIND DIR NW NE NW NE SW SW SW NW NE NE NW N NE NE NE E
T WIND SPD 3 2 2 3 4 10 12 16 14 9 4 5 4 1 2 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 1 1 4 18 87 61 11 7 4 2 8 21 8 8 4
MAX LVORI 3 4 5 4 2 1 1 2 3 5 6 5 2 2 3 4
STABILITY E G G A A B C E F F F B B B C F
CEILING None None None 12700 5200 300 7000 1100
STA PRES 29.24 29.23 29.17 29.26 29.29 29.31 29.25
Date 07/07Wed 07/08/26Thu 07/09/26Fri 07/10/26Sat 07/11/26
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 90 67 89 68 92 71 95 71 92
TEMP 88 82 71 71 86 84 71 72 90 85 74 75 92 87 75 75 89 85
DEWPT 70 70 68 68 68 68 67 69 69 69 68 70 69 71 69 69 70 70
RH 55 67 90 90 55 59 87 90 50 59 82 84 47 59 82 82 54 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC SC SC SC SC SC SC SC SC FW B1 SC SC SC B1
POP 12HR 30 30 20 20 20 10 30 10 40
RAIN SHWRS SC SC IS IS IS IS SC SC
TSTMS SC IS IS IS IS SC 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