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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sat Jul 4 2026
VAZ018-050800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 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 68 88 68 87 68
TEMP 94 82 76 71 68 72 82 88 81 77 71 70 68 71 82 87 83 75 71 69 68 70
DEWPT 67 68 66 64 62 66 67 66 68 68 65 64 64 66 70 70 71 70 68 67 66 67
MIN/MAX RH 83 48 92 57 94
RH 41 63 71 79 81 81 61 48 65 74 81 81 87 84 67 57 67 84 90 93 93 90
WIND DIR W W W W NW N S SW SW W NW N N N W W W NW W W NW NW
WIND SPD 4 2 2 1 1 0 1 3 3 1 1 0 0 0 2 3 3 2 1 1 1 2
CLOUDS B1 SC SC SC SC FW FW B2 B2 B1 SC SC B1 B1 B1 B2 B2 B1 B1 SC B1 B1
CLOUDS(%) 59 44 46 44 38 15 23 71 82 65 30 40 51 52 59 86 86 59 59 49 56 51
VSBY 9 9 8 7 7 5 10 10 10 10 8 2 3 3 9 10 10 10
POP 12HR 20 80 50 80 40
RAIN SHWRS IS IS NM NM SC IS IS IS IS O O SC SC IS
TSTMS IS IS SC SC SC IS IS SC SC SC
MIX HGT 4 <1 <1 <1 <1 <1 4 6 3 <1 <1 <1 <1 <1 3 5 3 <1
T WIND DIR SW NW NW W NW W W SW NW W NW E SE SW NW W N N
T WIND SPD 1 6 4 4 3 2 6 5 4 3 4 2 4 4 5 4 4 5
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 4 3 2 2 2 2 36 40 16 2 2 1 2 5 23 27 16 3
MAX LVORI 2 3 3 4 5 5 1 1 3 3 5 5 6 5 3 2 3 5
STABILITY C F F F G A A B B F G G F B B B B F
CEILING None None None None 3600 None None None 2300 700
STA PRES 27.79 27.79 27.78 27.78 27.76 27.77 27.80 27.82 27.78
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 88 66 88 67 90 68 90 68 87
TEMP 87 78 69 69 85 78 69 70 87 80 71 72 86 79 71 71 85 78
DEWPT 68 67 65 66 66 65 64 65 66 67 65 67 69 69 67 67 69 68
RH 53 69 87 90 53 64 84 84 50 65 81 84 57 72 87 87 59 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC B1 B1 SC SC SC B1 SC SC SC B1 B1 SC B1 B2
POP 12HR 40 30 30 20 40 20 40 20 60
RAIN SHWRS IS SC SC SC IS IS SC IS IS SC IS IS SC NM
TSTMS SC IS IS SC IS IS 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