Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Fri May 8 2026
VAZ024-090800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
731 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 49 79 51 84 54
TEMP 65 56 52 50 53 67 76 78 72 61 56 52 55 75 82 84 76 66 62 58 55
DEWPT 40 40 40 41 45 51 51 51 52 51 50 48 50 54 51 51 54 54 54 54 54
MIN/MAX RH 75 39 88 31 96
RH 40 55 63 71 74 56 42 39 49 70 80 86 83 48 34 32 46 65 75 86 96
WIND DIR SW SW SW SW SW SW SW W W W W W NW W SW SW SW W N N N
WIND SPD 4 3 2 1 1 4 6 6 2 1 1 1 1 2 5 5 1 1 0 1 3
WIND GUST 14 13 18 17
CLOUDS FW FW SC SC B1 B1 SC SC SC FW FW FW FW FW FW SC SC B1 B2 B2 OV
CLOUDS(%) 12 14 48 39 68 61 50 30 26 10 11 10 10 6 17 27 43 57 76 82 91
VSBY 10 10 10 10 10 10 10 10 10 8 8 8 10 10 10 10 9 8 8 4 3
POP 12HR 0 20 5 5 60
RAIN SHWRS NM NM O
MIX HGT <1 <1 <1 <1 <1 4 7 6 <1 <1 <1 <1 <1 4 7 6 <1
T WIND DIR S S SW S SW W SW W W W W NW W W SW SW SW
T WIND SPD 10 5 4 2 3 14 17 20 8 4 3 3 2 10 9 13 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 5 3 2 1 4 56126131 4 2 2 2 2 55 81 95 3
MAX LVORI 2 2 3 3 3 1 1 1 2 3 5 6 5 1 1 1 2
STABILITY F G F G B C B B G G G G A A A A F
CEILING None None 3900 None None None None None 4800
STA PRES 28.42 28.39 28.38 28.33 28.42 28.46 28.48 28.42
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 68 39 70 46 72 48 73 47 78
TEMP 65 61 45 43 67 63 50 49 69 66 54 51 71 66 52 51 75 71
DEWPT 51 45 39 37 36 39 38 42 51 51 48 47 47 45 44 45 47 49
RH 60 56 79 79 32 41 63 77 53 58 80 86 42 47 74 80 37 46
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B1 SC FW CL FW FW B1 B1 B1 B1 FW FW SC FW SC SC SC
POP 12HR 90 5 0 10 50 30 20 5 5
RAIN SHWRS O SC SC SC SC IS
TSTMS IS 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