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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
256 PM EDT Sat Jun 20 2026
NCZ003-210800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
256 PM EDT Sat Jun 20 2026
Date 06/20/26 Sun 06/21/26 Mon 06/22/26 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 62 88 65 91 66
TEMP 83 78 68 64 62 67 79 84 87 81 72 68 65 71 84 89 87 81 73 69 67 70
DEWPT 54 57 57 56 55 59 60 59 59 63 61 59 60 63 68 68 70 70 69 66 65 66
MIN/MAX RH 78 40 82 51 92
RH 37 48 68 75 78 75 52 43 39 54 68 73 84 76 59 50 57 69 87 90 93 87
WIND DIR W NW NW NW NW W SW S SW SE SW SW SW N SW SW W W W W W NW
WIND SPD 4 2 2 1 1 1 2 5 4 2 1 1 1 0 8 9 8 5 2 1 2 3
WIND GUST 19 18 16
CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC OV OV B1 B1 SC SC SC
CLOUDS(%) 14 24 13 12 6 15 8 20 20 15 23 12 23 41 41100100 63 60 48 40 32
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 6 6 6
POP 12HR 0 0 10 80 40
RAIN SHWRS IS IS O O SC SC
TSTMS IS NM NM SC IS
MIX HGT 7 <1 <1 <1 <1 <1 5 7 7 <1 <1 <1 <1 <1 4 5 4 <1
T WIND DIR W SW NW NW NW NW W SW SW SW SW SW SW SW SW SW SW W
T WIND SPD 8 6 3 4 4 3 6 5 9 9 2 3 3 5 16 16 18 5
DISPERSION VP VP VP VP VP VP VP VP PR VP VP VP
ADI 65 3 2 2 2 3 41 49 74 4 1 2 2 6 80 50 49 4
MAX LVORI 1 2 3 3 4 3 1 1 1 2 3 4 5 4 1 1 1 3
STABILITY A G G G G A A A A G G G G A B D D E
CEILING None None None None None None None None 3700 3700
STA PRES 28.06 28.07 28.08 28.11 28.08 28.10 28.10 28.11 28.07
Date 06/23Wed 06/24/26Thu 06/25/26Fri 06/26/26Sat 06/27/26
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 86 61 86 63 87 63 87 63 88
TEMP 83 79 65 66 83 80 67 68 84 80 67 68 84 81 67 69 85 82
DEWPT 63 62 58 58 59 62 60 62 63 64 61 62 62 64 60 62 62 64
RH 51 56 78 75 44 54 78 81 49 58 81 81 48 56 78 78 46 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC FW SC SC SC FW B1 B1 SC SC SC B1 SC SC SC B1
POP 12HR 20 5 10 20 40 20 30 10 30
RAIN SHWRS IS IS SC SC IS IS SC SC
TSTMS IS IS IS SC IS SC 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