Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Thu Oct 22 2026
NCZ003-230800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
301 PM EDT Thu Oct 22 2026
Date 10/22/26 Fri 10/23/26 Sat 10/24/26 Sun
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 41 69 41 65 39
TEMP 67 58 52 48 46 43 57 66 67 58 52 48 46 43 55 62 63 54 44 42 41 41
DEWPT 40 41 37 34 34 36 43 44 45 46 42 40 38 38 47 45 45 45 44 42 40 41
MIN/MAX RH 76 43 80 51 100
RH 37 53 56 58 63 76 59 45 45 64 69 74 73 82 74 54 52 71100100 96100
WIND DIR N N N N NW N NE E E E NE NE NE N E E E NE N N N N
WIND SPD 6 5 5 4 3 3 3 4 5 2 2 2 2 2 3 3 4 1 1 0 0 1
CLOUDS CL CL CL CL CL CL CL CL CL CL FW CL FW SC FW CL CL CL CL CL FW FW
CLOUDS(%) 0 0 0 0 0 0 0 0 0 0 10 5 21 45 18 0 0 1 2 4 15 11
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR N N N N N N NE NE E E E E E NE NE E E E
T WIND SPD 12 9 9 6 6 6 9 8 6 3 4 11 10 8 6 5 6 3
DISPERSION PR PR VP VP VP VP VP VP VP VP VP VP
ADI 36 4 4 3 3 7 29 36 29 2 2 5 5 8 21 22 24 2
MAX LVORI 1 2 3 3 3 4 2 1 2 3 3 3 4 4 3 2 2 3
STABILITY B F F F G B B B B G G G G B B B B G
CEILING None None None None None None None None None
STA PRES 28.26 28.31 28.38 28.38 28.45 28.50 28.55 28.53
Date 10/25Mon 10/26/26Tue 10/27/26Wed 10/28/26Thu 10/29/26
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 65 39 71 42 72 46 68 46 70
TEMP 62 54 44 40 68 58 47 44 70 61 50 47 65 58 49 47 67 60
DEWPT 48 49 44 40 46 49 45 42 48 51 48 47 52 53 49 47 54 54
RH 60 83100100 45 72 93 93 45 70 93100 63 83100100 63 81
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL FW FW CL CL FW FW FW SC SC SC SC SC SC SC SC
POP 12HR 0 0 0 0 0 0 0 5 5
$$
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