Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Aug 30 2026
NCZ003-310800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
801 PM EDT Sun Aug 30 2026
Date 08/30/26 Mon 08/31/26 Tue 09/01/26 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 67 89 69 90 71
TEMP 72 69 67 69 84 88 86 80 75 72 70 71 86 90 89 82 77 73 72 73
DEWPT 68 67 65 66 69 68 69 70 68 67 65 66 69 68 70 70 68 67 66 67
MIN/MAX RH 93 51 86 49 85
RH 87 93 93 90 61 52 57 72 79 84 84 84 57 49 54 67 74 81 81 81
WIND DIR N N N NW N N W N N N NW NW NW SW W N N N NW NW
WIND SPD 0 0 0 2 1 1 2 0 0 0 1 2 1 2 2 0 0 0 1 2
CLOUDS FW FW FW FW FW SC FW FW CL FW FW FW FW FW SC FW FW CL CL CL
CLOUDS(%) 16 13 12 12 7 28 17 11 2 6 12 6 7 23 27 16 8 4 4 3
VSBY 10 10 8 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 10 0 5 0
Obvis PF PF
MIX HGT <1 <1 <1 <1 4 7 5 <1 <1 <1 <1 <1 5 7 4 <1
T WIND DIR W W NW NW NW NW NW NW NW NW NW NW NW NW W NW
T WIND SPD 1 2 2 3 9 6 6 2 3 3 4 5 13 9 9 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 1 1 1 3 52 55 45 1 2 2 2 6 79 74 48 2
MAX LVORI 7 7 7 6 1 1 1 3 4 5 6 5 1 1 1 3
STABILITY G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 28.27 28.26 28.28 28.23 28.22 28.22 28.22 28.17
Date 09/02Thu 09/03/26Fri 09/04/26Sat 09/05/26Sun 09/06/26
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 92 72 95 71 92 68 88 65 83
TEMP 92 85 75 74 92 84 73 72 89 82 71 70 86 79 68 67 81 76
DEWPT 68 70 68 68 69 72 69 69 70 70 68 67 68 69 66 65 67 66
RH 46 61 79 82 47 67 87 90 54 67 90 90 55 72 93 93 63 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC FW FW B1 SC FW FW B1 SC SC FW B1 B1 SC SC B1
POP 12HR 5 5 30 10 40 20 40 40 40
RAIN SHWRS SC SC IS SC SC IS SC
TSTMS SC SC IS SC 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