Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Oct 15 2026
NCZ003-152000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 AM EDT Thu Oct 15 2026
Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26
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 84 61 82 51 59
TEMP 75 81 82 74 67 64 63 62 72 80 80 69 62 57 54 52 54 57 56 48
DEWPT 67 67 66 66 64 63 62 61 65 66 65 63 55 49 46 45 45 42 39 38
MAX/MIN RH 59 99 58 81 53
RH 76 63 58 76 90 97 97 97 79 62 60 81 78 75 74 77 71 57 53 68
WIND DIR E SE SE E NE E W SW SW SW SW W NW NW NW N N N N N
WIND SPD 4 4 3 2 3 1 1 3 5 6 8 9 19 18 14 12 12 11 12 9
WIND GUST 25 23 25 24 23
CLOUDS FW FW FW SC SC SC B1 SC FW FW SC B2 B1 B2 B1 SC SC SC FW SC
CLOUDS(%) 13 11 17 36 39 42 54 38 23 14 49 76 67 70 64 42 43 38 25 28
VSBY 10 10 10 10 10 10 9 5 8 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 20 30 20
RAIN SHWRS IS SC SC IS IS IS IS IS
MIX HGT 2 3 3 <1 <1 <1 <1 <1 1 4 3 1 2 3 <1 3 3 4 4 <1
T WIND DIR E SE E NE NE NE N S SW SW SW SW NW NW N N N N N N
T WIND SPD 5 4 9 10 6 2 0 2 5 12 14 12 17 20 17 19 16 20 14 14
DISPERSION VP VP VP VP PR GD GD GD PR
ADI 12 19 37 5 3 1 0 2 11 59 48 11 23 28 15 60 53 76 55 10
MAX LVORI 4 2 1 4 6 8 10 9 4 1 1 4 3 3 3 3 3 1 1 3
STABILITY B B B G G F F B B B B D D D D C C C C E
CEILING None None None None None None 1500 2800 None None
STA PRES 29.03 29.01 29.02 28.96 28.90 28.78 28.81 28.89 29.00 29.15
Date Sun 10/18/26Mon 10/19/26Tue 10/20/26Wed 10/21/26
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 39 56 39 62 44 67 46 68
TEMP 42 39 54 48 42 41 60 53 48 46 65 57 50 47 65 58
DEWPT 33 31 33 35 34 35 46 47 44 43 50 51 47 45 51 52
RH 70 73 45 60 73 79 60 80 86 89 58 80 89 93 60 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW FW FW SC SC SC FW SC FW FW FW FW
POP 12HR 20 10 20 5 5 0 0 0
RAIN SHWRS IS 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