Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Fri May 8 2026
VAZ012-090800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
401 PM EDT Fri May 8 2026
Date 05/08/26 Sat 05/09/26 Sun 05/10/26 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 43 73 47 79 49
TEMP 67 60 50 46 44 49 62 68 72 65 55 51 49 52 68 74 77 69 59 56 53 50
DEWPT 31 36 38 40 40 43 46 46 46 48 48 47 46 48 48 45 45 49 51 50 49 49
MIN/MAX RH 86 40 93 32 96
RH 26 41 63 79 86 80 56 45 39 54 77 86 89 86 49 35 32 49 75 80 86 96
WIND DIR SW SW S SW SW SW W W W W W W W W W W W W W W NW NW
WIND SPD 2 2 2 1 1 1 5 5 4 2 2 2 2 2 3 3 3 1 1 1 1 2
WIND GUST 16
CLOUDS FW FW FW SC FW B2 SC SC SC SC FW FW SC SC FW SC SC SC B1 B2 B2 B2
CLOUDS(%) 13 10 16 28 24 76 31 30 43 26 9 11 40 27 6 26 26 40 53 76 83 83
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 6 10 10 10 10 10 10 3 2 6
POP 12HR 0 10 5 5 60
RAIN SHWRS NM NM NM
MIX HGT 6 <1 <1 <1 <1 <1 4 5 5 <1 <1 <1 <1 <1 4 7 6 <1
T WIND DIR SW S S SW SW SW W W W W SW W W W W W SW W
T WIND SPD 9 6 5 4 4 3 20 20 18 6 5 4 4 3 13 11 11 5
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 71 3 3 2 2 4114137112 3 3 2 2 3 78 91 84 3
MAX LVORI 1 2 3 4 6 5 1 1 1 2 4 6 6 6 1 1 1 2
STABILITY A G G G G B A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.16 27.13 27.14 27.13 27.19 27.22 27.24 27.19
Date 05/11Tue 05/12/26Wed 05/13/26Thu 05/14/26Fri 05/15/26
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 63 34 63 43 66 44 65 42 71
TEMP 60 55 39 38 59 57 46 47 64 60 49 46 63 59 46 47 68 65
DEWPT 44 35 33 32 31 34 35 39 45 46 44 42 41 40 40 40 41 44
RH 55 47 79 79 34 42 65 74 50 60 83 86 44 49 79 76 37 46
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 SC CL FW FW FW SC B1 B2 SC SC SC SC SC SC SC SC
POP 12HR 70 5 0 20 60 30 10 5 20
RAIN SHWRS NM IS SC NM SC IS
TSTMS 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