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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Wed Jul 8 2026
VAZ024-090800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
431 PM EDT Wed Jul 8 2026
Date 07/08/26 Thu 07/09/26 Fri 07/10/26 Sat
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 89 66 91 67
TEMP 89 79 72 71 70 71 82 87 87 80 72 69 67 70 84 90 88 80 73 70 67 70
DEWPT 73 72 71 70 70 71 71 69 69 69 68 67 66 68 70 71 71 71 70 69 67 69
MIN/MAX RH 100 54 100 53 100
RH 59 79 97 97100100 69 55 55 69 87 93 97 93 63 54 57 74 90 97100 97
WIND DIR NE N N N N N W W W W W W W W W W W W W W W W
WIND SPD 2 0 0 0 0 0 2 4 4 2 2 1 1 1 4 5 5 2 1 1 1 1
WIND GUST 12 12
CLOUDS B2 B2 B1 SC B1 B1 SC B2 B1 FW FW FW FW FW SC B1 B2 B1 B1 SC B1 B2
CLOUDS(%) 76 73 58 49 54 51 47 72 65 20 22 14 7 21 37 69 70 60 54 49 63 75
VSBY 5 7 7 1 1 5 10 10 10 10 7 5 6 10 9 9 10 9 8 3 3 8
POP 12HR 30 70 5 50 20
RAIN SHWRS SC SC SC IS IS NM SC SC SC IS IS IS IS SC
TSTMS SC SC IS IS IS SC SC SC SC IS IS IS
Obvis PF PF PF
MIX HGT 2 <1 <1 <1 <1 <1 3 5 3 <1 <1 <1 <1 1 4 4 4 <1
T WIND DIR S S E SE S S W W W W W W NW W W W W SW
T WIND SPD 8 2 3 4 2 4 9 11 14 11 10 6 5 3 12 14 12 5
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 22 1 2 2 1 5 41 46 50 5 5 3 3 5 59 55 47 3
MAX LVORI 3 4 8 9 10 9 3 1 1 3 5 6 9 6 1 1 1 3
STABILITY B F F F F B A C C G G G G A A C C F
CEILING 3300 None None None None None None 4100 None
STA PRES 28.48 28.46 28.45 28.42 28.44 28.46 28.47 28.43
Date 07/11Sun 07/12/26Mon 07/13/26Tue 07/14/26Wed 07/15/26
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 87 64 82 62 85 62 90 64 95
TEMP 86 80 69 68 81 75 66 66 82 78 66 66 87 82 68 69 92 86
DEWPT 72 71 68 67 68 67 64 64 64 66 62 64 64 67 63 65 66 68
RH 63 74 97 97 65 76 93 93 55 67 87 93 46 61 84 87 43 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW
POP 12HR 70 40 40 30 30 10 5 5 5
RAIN SHWRS SC NM SC SC SC SC SC IS SC IS
TSTMS IS SC IS 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