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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Wed Jun 17 2026
NCZ003-180800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
401 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 65 91 66 85 59
TEMP 86 81 71 67 66 73 85 91 87 79 73 70 68 70 77 82 84 78 68 63 60 64
DEWPT 58 60 60 60 61 65 68 68 70 70 69 67 66 68 68 63 61 59 58 56 54 56
MIN/MAX RH 85 48 99 45 82
RH 39 49 68 78 84 76 57 47 57 74 87 90 93 93 74 53 46 52 70 78 81 75
WIND DIR SW SW SW S S SW SW SW W SW SW N N W NW NW NW NW NW NW NW NW
WIND SPD 6 3 2 2 2 4 12 11 8 4 1 0 0 1 4 8 8 6 3 3 3 4
WIND GUST 16 27 23 19 18 17
CLOUDS FW FW FW SC B1 SC SC B1 B2 OV OV B2 B2 B1 B1 SC SC SC FW SC FW SC
CLOUDS(%) 18 24 22 35 66 30 43 61 73 93 91 70 82 64 58 39 27 36 21 32 24 27
VSBY 10 10 10 10 10 10 10 6 6 6 10 10 10 10 10 10 10 10
POP 12HR 0 60 50 20 0
RAIN SHWRS SC NM SC SC IS IS
TSTMS SC NM IS IS
MIX HGT 7 <1 <1 <1 <1 1 5 6 3 <1 <1 <1 <1 <1 3 5 6 <1
T WIND DIR SW S S SW SW SW W W SW W SW S SW NW NW W NW NW
T WIND SPD 13 12 6 9 6 10 25 24 25 16 10 9 3 11 19 18 18 13
DISPERSION VP VP VP VP VP VP VP VP PR VP VP VP
ADI 104 6 3 4 3 18106110 82 11 5 4 2 13 72114130 6
MAX LVORI 1 2 3 4 5 3 1 1 1 3 5 6 7 5 3 1 1 2
STABILITY B G G G F A C C C E F F F B B B B F
CEILING None None None 4100 7500 400 None None None
STA PRES 27.95 27.94 27.97 27.97 28.00 27.98 28.01 28.03
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 85 61 88 65 86 64 84 60 83
TEMP 83 79 64 67 84 82 70 70 81 79 68 68 81 78 65 66 81 79
DEWPT 55 58 56 58 61 64 63 66 68 69 64 64 63 63 59 60 61 63
RH 38 49 75 73 46 55 78 87 65 72 87 87 54 60 81 81 51 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC FW FW SC B1 SC B2 B2 B1 SC SC SC SC SC SC B1
POP 12HR 0 5 20 20 70 40 20 20 30
RAIN SHWRS IS IS IS NM NM SC IS IS IS IS IS SC
TSTMS 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