Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 AM EDT Fri May 8 2026
NCZ003-090800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
1201 AM EDT Fri May 8 2026
Date 05/07/26 Fri 05/08/26 Sat 05/09/26 Sun
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 69 48 76 52
TEMP 47 43 46 60 66 67 61 54 50 48 52 63 72 75 70 60 55 53 56
DEWPT 39 35 38 39 39 40 44 44 45 45 47 54 55 55 56 55 53 51 52
MIN/MAX RH 84 36 87 49 95
RH 74 73 73 46 37 37 53 69 83 89 83 72 55 50 61 84 93 93 86
WIND DIR N N N S S S S S SW SW SW SW SW SW W W NW NW NW
WIND SPD 4 4 3 1 4 6 6 4 3 2 2 6 9 8 5 4 3 3 3
WIND GUST 19
CLOUDS FW FW CL CL CL FW SC SC FW SC B2 SC SC SC SC SC SC SC SC
CLOUDS(%) 6 20 2 1 3 12 38 41 21 28 72 48 43 40 33 27 44 40 43
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 8 10
POP 12HR 0 0 0 5 0
MIX HGT <1 <1 <1 4 6 6 <1 <1 <1 <1 <1 3 6 6 <1
T WIND DIR NW NW NW N SW SW S S S S S SW W W W
T WIND SPD 3 2 1 2 6 11 6 4 5 4 8 17 18 17 4
DISPERSION VP VP PR VP VP VP PR VP VP VP
ADI 2 1 1 11 51 78 5 2 3 2 8 70128118 2
MAX LVORI 3 4 4 2 1 1 3 3 5 6 5 3 1 1 3
STABILITY F G A A A B E F G F B B B B F
CEILING None None None None None None None None
STA PRES 28.94 28.99 28.91 28.89 28.83 28.82 28.78
Date 05/10Mon 05/11/26Tue 05/12/26Wed 05/13/26Thu 05/14/26
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 80 56 69 43 69 48 72 49 72
TEMP 77 73 60 59 65 60 47 46 66 64 51 51 68 66 53 52 69 66
DEWPT 54 56 55 54 54 46 39 37 38 41 42 45 52 53 49 48 49 49
RH 45 55 84 83 68 60 74 71 36 43 71 80 57 63 86 86 49 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B2 B1 FW CL CL FW FW SC B1 B2 B1 FW FW FW
POP 12HR 5 30 70 5 0 10 60 30 10
RAIN SHWRS IS SC NM SC SC NM SC
TSTMS IS 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