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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Wed Jun 17 2026
NCZ006-172000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
301 AM EDT Wed Jun 17 2026
Date Wed 06/17/26 Thu 06/18/26 Fri 06/19/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 91 72 96 70 90
TEMP 62 68 80 86 90 84 79 76 74 77 87 92 94 86 78 75 71 73 81 86 89 84
DEWPT 59 61 59 56 54 58 61 64 68 69 69 68 68 68 68 69 69 70 69 67 64 62
MAX/MIN RH 29 88 42 92 44
RH 90 78 49 36 30 41 54 66 82 76 55 46 43 55 71 82 93 90 67 53 44 48
WIND DIR N W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW W W W NW NW
WIND SPD 0 2 4 5 8 4 6 8 10 13 13 14 14 13 8 5 4 4 5 6 6 4
WIND GUST 27 27 29 28 24
CLOUDS SC CL CL CL SC CL SC SC SC B2 SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 SC
CLOUDS(%) 42 4 2 0 28 0 29 26 45 71 34 31 48 58 69 69 77 73 70 67 61 42
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 7 6 10 10 10 10 10 10 10 10
POP 12HR 0 0 20 50 60
RAIN SHWRS IS SC SC SC SC NM NM SC SC
TSTMS IS SC IS SC SC
MIX HGT <1 1 6 8 9 <1 <1 <1 <1 2 5 8 6 2 2 <1 <1 2 4 6 5 <1
T WIND DIR SW W NW SW SW SW S SW SW SW W W W SW SW SW SW SW SW W W NW
T WIND SPD 3 6 8 5 9 8 5 8 10 28 33 25 24 19 11 18 16 23 23 13 16 9
DISPERSION VP VP PR PR FR FR PR PR VP VP
ADI 2 9 56 56 84 4 3 5 9 62141124111 26 13 12 11 49 82 61 64 6
MAX LVORI 7 4 1 1 1 2 3 3 4 3 1 1 1 2 3 4 5 4 1 1 1 2
STABILITY F A A A B F F E D D C C C D D E E C C C C E
CEILING None None None None None None 4900 6300 2400 2700
STA PRES 29.22 29.17 29.18 29.19 29.21 29.17 29.23 29.23 29.19 29.15
Date Sat 06/20/26Sun 06/21/26Mon 06/22/26Tue 06/23/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 62 90 62 92 69 91 69 90
TEMP 67 67 86 84 67 69 90 87 73 72 89 86 73 71 88 84
DEWPT 57 58 52 54 54 58 56 59 62 65 66 68 67 66 64 63
RH 70 73 31 36 63 68 32 39 68 79 47 55 81 84 45 49
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW SC SC B1 B1 B2 B1 SC SC SC
POP 12HR 5 0 0 20 20 60 50 20
RAIN SHWRS IS IS SC NM SC IS
TSTMS IS SC IS 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