Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Oct 4 2026
VAZ046-050800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 PM EDT Sun Oct 4 2026
Date 10/04/26 Mon 10/05/26 Tue 10/06/26 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 55 76 46 68 43
TEMP 59 58 57 57 70 76 76 63 57 51 47 47 62 67 67 57 50 47 44 46
DEWPT 59 58 57 57 60 55 51 52 49 46 43 42 42 44 42 45 44 43 43 44
MIN/MAX RH 100 42 86 40 100
RH 100100100100 71 48 42 67 75 83 86 83 48 43 40 64 80 86 96 93
WIND DIR N W NW N N N NE NE NE NE NE NE NE E E E SE SW SW SW
WIND SPD 0 1 2 3 3 3 3 4 4 3 4 4 6 3 3 2 1 1 2 3
CLOUDS B2 B2 OV B2 B1 FW FW FW CL CL CL CL CL CL CL CL CL CL CL CL
CLOUDS(%) 83 87 89 71 51 19 13 10 0 1 1 0 1 2 4 2 2 2 2 0
VSBY 6 2 1 1 10 10 10 10 10 10 10 7 7 7 7 7 7 7 7 7
POP 12HR 0 0 0 0 0
Obvis PF F F F
MIX HGT <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR N NE N NW N NW N NE N N N N NE NE E SE
T WIND SPD 3 5 1 2 8 9 9 17 5 4 2 3 10 3 1 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 3 1 2 19 50 54 8 3 2 1 4 39 16 5 1
MAX LVORI 10 9 10 9 3 1 1 3 3 5 5 5 1 2 2 3
STABILITY F F F B B B B F F G F B B B B G
CEILING 1100 800 None None None None None None None
STA PRES 29.37 29.35 29.39 29.35 29.44 29.47 29.49 29.40
Date 10/07Thu 10/08/26Fri 10/09/26Sat 10/10/26Sun 10/11/26
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 75 51 80 52 78 52 73 51 68
TEMP 73 65 55 53 79 69 57 53 76 67 57 53 72 65 55 53 66 63
DEWPT 54 55 53 52 56 55 52 51 54 53 51 49 51 50 50 50 55 57
RH 51 70 93 96 45 61 83 93 46 61 80 86 48 58 83 89 68 81
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW CL FW FW FW FW FW FW FW SC SC SC B1 B1 B2 B1 B2
POP 12HR 0 0 0 0 0 0 0 20 50
RAIN SHWRS 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