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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EDT Sat Jun 27 2026
NCZ003-280800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
631 PM EDT Sat Jun 27 2026
Date 06/27/26 Sun 06/28/26 Mon 06/29/26 Tue
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 69 84 68 88 69
TEMP 79 74 72 71 73 78 82 83 79 73 70 69 71 79 85 88 83 74 71 69 71
DEWPT 71 70 68 68 69 72 71 72 72 71 69 68 69 72 71 70 70 70 69 69 70
MIN/MAX RH 96 69 97 57 99
RH 77 87 87 90 87 82 69 70 79 93 97 97 93 79 63 55 65 87 93100 97
WIND DIR SW SW W W W W W NW NW N N N NE NE E E E E E NE NE
WIND SPD 4 3 3 3 3 4 4 3 2 3 4 4 4 4 4 4 3 3 3 2 2
CLOUDS B2 OV SC B2 B2 B1 B2 B1 SC SC CL SC SC SC SC SC FW FW SC SC SC
CLOUDS(%) 82 89 41 82 85 67 75 69 39 32 5 28 34 44 43 43 25 21 35 33 30
VSBY 10 9 9 6 9 7 6 10 10 10 10 8 10 10 10 10 10
POP 12HR 30 50 10 20 10
RAIN SHWRS SC IS IS IS SC SC IS IS IS IS
TSTMS IS SC IS IS
MIX HGT <1 <1 <1 <1 <1 3 3 4 <1 <1 <1 <1 1 4 5 6 <1
T WIND DIR W SW W SW SW SE N NW E NE NW N E NE NE E NE
T WIND SPD 3 3 4 3 2 3 3 6 1 1 2 2 6 4 2 3 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 2 2 2 2 2 10 12 30 1 1 1 1 12 22 14 25 2
MAX LVORI 4 6 6 7 6 4 3 3 6 8 8 8 6 3 2 2 3
STABILITY E F F F B C C B G G F F A A A A G
CEILING 7200 6500 400 1300 None None None None None
STA PRES 28.92 28.88 28.88 28.86 28.90 28.96 29.02 29.00
Date 06/30Wed 07/01/26Thu 07/02/26Fri 07/03/26Sat 07/04/26
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 90 70 94 72 98 73 96 73 97
TEMP 87 85 71 72 92 88 73 74 95 90 75 75 95 88 74 76 96 87
DEWPT 70 69 67 67 67 67 66 66 64 65 66 66 64 65 67 67 63 65
RH 57 59 87 84 44 50 79 76 36 44 74 74 36 47 79 74 34 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW CL CL FW FW FW FW FW FW FW FW FW SC FW FW SC
POP 12HR 0 5 0 0 5 5 10 20 20
RAIN SHWRS IS IS
TSTMS 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