Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Oct 23 2026
VAZ018-240800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 PM EDT Fri Oct 23 2026
Date 10/23/26 Sat 10/24/26 Sun 10/25/26 Mon
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 38 59 38 63 39
TEMP 47 44 42 40 50 56 57 50 46 43 41 40 55 62 61 49 46 44 41 40
DEWPT 41 39 38 38 40 38 37 37 36 35 36 37 47 47 44 43 42 40 38 35
MIN/MAX RH 96 46 95 53 89
RH 79 82 86 92 68 51 47 61 68 73 82 89 74 58 53 80 86 86 89 82
WIND DIR E E E E E E E E E E E NE E SE SE SE N N NW W
WIND SPD 3 4 2 2 3 4 3 3 3 3 3 2 2 3 2 1 0 0 1 1
CLOUDS FW FW FW SC FW CL CL CL CL FW SC B1 FW FW CL CL CL FW FW FW
CLOUDS(%) 12 10 24 47 20 3 4 2 5 7 26 52 13 10 4 1 4 7 10 12
VSBY 10 10 10 9 10 10 10 10 10 9 8 10 10 10 10 10 10 10 0
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR E E E E E E E E E SE SE SE SE SE SE SE
T WIND SPD 10 10 8 6 4 4 4 8 9 9 6 5 4 5 4 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 5 5 4 7 13 18 17 4 4 4 3 6 13 22 18 1
MAX LVORI 4 4 6 6 3 2 2 3 3 3 5 6 3 2 2 4
STABILITY G F G B B B B G G G G C B B B G
CEILING None None None None None None None None None
STA PRES 28.11 28.15 28.20 28.18 28.22 28.22 28.25 28.18
Date 10/26Tue 10/27/26Wed 10/28/26Thu 10/29/26Fri 10/30/26
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 71 43 71 47 65 47 71 47 71
TEMP 70 57 47 45 69 59 50 48 64 56 50 47 68 58 51 48 69 59
DEWPT 44 42 40 37 47 46 44 43 50 48 46 44 51 48 46 43 50 47
RH 39 57 76 73 45 62 80 83 60 74 86 89 54 69 83 83 51 64
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL FW FW FW FW SC B1 B1 B1 SC B1 SC SC FW SC SC FW
POP 12HR 0 0 0 0 0 5 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