Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Oct 28 2026
VAZ018-282000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM EDT Wed Oct 28 2026
Date Wed 10/28/26 Thu 10/29/26 Fri 10/30/26
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 65 50 73 50 75
TEMP 56 62 63 55 52 52 51 50 61 71 71 57 53 52 51 51 66 74 72 59
DEWPT 49 49 48 48 49 47 46 46 50 49 47 46 46 46 44 44 47 50 48 47
MAX/MIN RH 59 89 41 80 41
RH 77 62 58 77 89 83 83 86 67 46 42 67 77 80 77 77 50 43 42 64
WIND DIR SE SE SE E N N N N SW W W W W W NW W NW NW NW NW
WIND SPD 2 3 3 1 0 0 0 0 1 2 1 1 2 3 4 4 3 4 4 3
WIND GUST 14 14
CLOUDS B2 B2 B1 SC B1 B1 B1 B1 FW FW CL CL FW FW FW FW CL FW FW FW
CLOUDS(%) 72 81 68 36 52 51 59 60 23 12 3 1 6 12 9 6 4 7 12 16
VSBY 9 10 10 10 10 9 3 4 7 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 1 2 2 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR SE SE SE SE SE S NW NW SW W W SW W W W NW NW NW NW NW
T WIND SPD 1 5 6 4 3 1 1 2 4 4 3 3 3 4 5 6 13 17 14 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 17 17 2 2 1 1 2 9 18 11 2 2 2 3 7 32 84 69 5
MAX LVORI 4 2 2 4 6 6 6 6 3 2 2 3 4 5 4 4 1 1 1 3
STABILITY C B B G F F F C A B A G G G F B B B B G
CEILING 300 18800 None 200 None None None None None None
STA PRES 28.12 28.07 28.07 28.03 28.03 27.96 27.95 27.94 27.96 27.97
Date Sat 10/31/26Sun 11/01/26Mon 11/02/26Tue 11/03/26
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 50 66 50 63 53 64 54 67
TEMP 52 51 65 57 52 50 61 56 55 54 62 58 56 55 65 60
DEWPT 44 42 42 44 43 43 50 49 50 51 57 53 52 52 59 55
RH 74 71 43 62 71 77 67 77 83 90 84 83 86 90 81 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B2 OV B2 B2 B2 OV OV B2 B1 B2 B2 B2
POP 12HR 0 0 5 20 60 40 30 30
RAIN SHWRS IS SC NM SC IS IS SC SC 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