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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 AM EDT Sat Jun 27 2026
NCZ003-272000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
501 AM EDT Sat Jun 27 2026
Date Sat 06/27/26 Sun 06/28/26 Mon 06/29/26
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 86 66 87 66 89
TEMP 70 78 83 84 79 73 70 68 71 79 84 86 80 74 71 69 72 81 85 87 81
DEWPT 67 70 70 71 70 69 66 66 68 71 70 71 71 69 68 67 69 71 70 70 71
MAX/MIN RH 62 99 60 100 55
RH 90 76 65 65 74 87 87 93 90 77 63 61 74 84 90 93 90 72 61 57 72
WIND DIR S SW SW SW W S S S W W NW NW NW NW S NW S NE NE E E
WIND SPD 1 2 5 4 2 1 1 1 1 2 4 3 2 2 1 1 1 2 3 3 1
CLOUDS B1 B1 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC
CLOUDS(%) 64 62 76 73 85 60 59 76 59 59 64 56 36 28 34 35 37 28 48 48 27
VSBY 9 10 10 10 9 9 8 6 8 10 10 10 10 10 8 5 10 10 10 10 10
POP 12HR 70 30 40 10 20
RAIN SHWRS NM SC SC SC IS IS IS SC SC IS IS
TSTMS SC SC SC IS SC SC IS IS
MIX HGT <1 2 4 3 <1 <1 <1 <1 <1 3 4 5 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR SW W SW W W N W NW NW NW NW NW NW NW N N N NE E E SE
T WIND SPD 2 13 13 16 16 1 2 3 8 11 11 12 10 5 5 6 5 5 4 2 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 41 50 50 7 1 1 2 8 45 45 69 5 3 3 3 7 26 27 13 3
MAX LVORI 6 3 1 1 3 6 6 7 5 3 1 1 3 6 6 6 5 3 2 2 3
STABILITY B B C C F F F F B B C B G G G G A A A A G
CEILING 6900 3900 6600 5500 3700 None None None None None
STA PRES 28.16 28.10 28.11 28.09 28.10 28.08 28.11 28.14 28.21 28.20
Date Tue 06/30/26Wed 07/01/26Thu 07/02/26Fri 07/03/26
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 67 91 68 94 70 97 72 97
TEMP 72 73 87 82 73 73 90 85 75 76 93 88 77 77 93 87
DEWPT 68 69 69 69 65 68 66 68 66 68 64 67 65 68 63 68
RH 87 87 55 65 76 84 45 57 74 76 38 50 67 74 37 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC FW FW FW CL CL FW FW CL CL FW FW FW FW SC
POP 12HR 5 5 5 0 5 10 5 20
RAIN SHWRS IS
TSTMS 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