Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 AM EDT Mon Oct 19 2026
NCZ005-200800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
101 AM EDT Mon Oct 19 2026
Date 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed
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 36 64 41 71 44
TEMP 41 39 39 56 64 64 51 46 44 44 45 63 71 70 55 50 48 46 45
DEWPT 33 32 32 35 33 32 36 36 35 35 34 41 40 45 44 44 45 44 44
MIN/MAX RH 76 29 76 32 98
RH 73 76 76 45 31 30 56 68 70 70 65 44 32 41 66 80 89 93 96
WIND DIR N N N N N N N N N N N N N N N NE N N N
WIND SPD 3 5 5 9 9 8 2 2 3 4 4 6 8 5 2 3 3 4 4
CLOUDS CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW CL CL CL CL
CLOUDS(%) 3 3 1 2 3 3 2 3 3 3 1 2 3 2 10 3 3 3 2
VSBY 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 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1
T WIND DIR N N N NE N N N N NW NW NW N N N N N N N N
T WIND SPD 4 4 5 17 13 13 3 3 4 4 4 18 13 13 3 5 5 6 6
DISPERSION VP PR VP VP VP VP VP VP VP VP
ADI 2 2 6 45 44 50 2 2 2 2 5 54 55 52 2 3 3 3 7
MAX LVORI 3 4 3 1 1 1 3 3 3 3 3 1 1 1 3 4 6 6 6
STABILITY G F B C C B G G G F B B B B G G G F B
CEILING None None None None None None None None None
STA PRES 29.67 29.64 29.53 29.50 29.46 29.46 29.42 29.44 29.45
Date 10/21Thu 10/22/26Fri 10/23/26Sat 10/24/26Sun 10/25/26
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 66 40 69 43 67 41 64 40 67
TEMP 66 56 45 41 69 54 45 45 66 53 46 42 63 51 44 41 66 54
DEWPT 47 45 43 41 46 43 41 43 51 48 44 42 47 45 43 41 49 48
RH 50 66 93100 44 66 86 93 58 83 93100 56 80 96100 54 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
$$
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