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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
601 PM EDT Wed Jun 17 2026
VAZ012-180800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
601 PM EDT Wed Jun 17 2026
Date 06/17/26 Thu 06/18/26 Fri 06/19/26 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 62 83 61 79 53
TEMP 72 64 63 64 67 75 80 80 72 66 65 63 63 69 74 77 71 60 56 54 57
DEWPT 55 54 55 59 65 67 68 69 66 65 64 63 63 63 59 56 54 54 52 51 54
MIN/MAX RH 92 60 100 47 93
RH 55 70 75 84 93 76 67 69 81 97 97100100 81 59 48 55 81 86 90 90
WIND DIR SW SW SW SW W W W W W W W W NW NW NW NW NW NW NW NW NW
WIND SPD 2 3 3 8 10 10 9 6 4 3 2 2 2 4 4 4 3 1 2 2 2
WIND GUST 20 21 25 21 18
CLOUDS SC SC B1 B2 B1 B1 B1 B2 B2 OV B2 B2 B1 B1 SC SC SC SC SC FW FW
CLOUDS(%) 32 37 68 77 68 62 63 73 86 91 80 78 68 65 30 28 28 33 38 24 22
VSBY 10 10 10 10 8 7 6 6 6 10 10 10 10 10 10 10 10
POP 12HR 0 60 70 30 0
RAIN SHWRS SC NM SC NM SC IS SC SC
TSTMS SC NM SC IS IS
MIX HGT <1 <1 <1 <1 2 3 4 3 1 <1 <1 <1 1 3 5 6 1
T WIND DIR SW S SW SW W W W W W SW SW W NW NW W NW NW
T WIND SPD 8 9 10 12 26 29 33 33 28 6 4 3 14 19 19 20 11
DISPERSION VP VP VP PR VP VP VP VP VP VP VP VP
ADI 4 4 5 11 62104131109 19 3 2 2 22 64118143 5
MAX LVORI 2 3 3 4 4 3 1 1 3 8 8 10 5 3 1 1 3
STABILITY G G F D C C C C E F F F B C A A G
CEILING None 31400 700 2000 1000 1200 1200 None None
STA PRES 27.07 27.06 27.13 27.12 27.13 27.12 27.17 27.20
Date 06/20Sun 06/21/26Mon 06/22/26Tue 06/23/26Wed 06/24/26
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 80 55 85 61 81 58 79 54 81
TEMP 76 72 57 60 79 76 64 63 74 71 62 61 75 71 58 58 76 73
DEWPT 52 54 53 56 57 60 60 63 66 65 61 61 61 59 56 57 58 59
RH 43 53 86 87 47 58 87100 76 81 97100 62 66 93 96 54 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW SC SC B1 B1 B1 B2 OV B2 B1 B1 SC FW SC SC B1
POP 12HR 0 0 20 40 80 60 30 10 30
RAIN SHWRS IS SC SC NM O NM SC SC IS IS SC
TSTMS IS 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