Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Fri Aug 28 2026
NCZ003-290800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
231 PM EDT Fri Aug 28 2026
Date 08/28/26 Sat 08/29/26 Sun 08/30/26 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 64 83 67 86 67
TEMP 81 75 69 67 65 66 75 80 80 74 69 68 67 68 76 83 85 78 71 69 67 68
DEWPT 70 69 67 66 64 65 70 70 71 71 69 68 67 68 72 71 72 71 70 68 66 67
MIN/MAX RH 98 70 100 64 98
RH 69 82 93 97 97 97 84 72 74 90100100100100 87 67 65 79 97 97 97 97
WIND DIR E N N N N N E E SE E N N N N S S S N N N N NW
WIND SPD 2 0 1 1 1 1 4 5 4 1 0 0 0 0 1 3 3 0 0 0 0 1
CLOUDS B1 SC SC SC B1 B1 B1 B2 SC SC SC B1 B2 B1 B1 SC SC SC SC FW FW SC
CLOUDS(%) 61 48 27 47 51 52 62 72 42 33 35 66 78 62 51 34 32 38 33 20 22 26
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 30 20 10 0
RAIN SHWRS SC SC IS IS
TSTMS SC SC
MIX HGT 3 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR N SE SE N N N E SE SE SE S S S SW SW SW SW SW
T WIND SPD 6 2 1 4 3 4 5 8 8 9 9 3 4 8 8 8 9 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 29 1 1 2 2 5 16 29 35 4 4 2 2 8 23 42 45 3
MAX LVORI 3 5 8 8 8 9 4 3 3 6 9 10 9 8 4 1 1 4
STABILITY B F G F F B C C A G G F F B B A A G
CEILING None None None 700 None None 1000 None None None
STA PRES 28.15 28.21 28.25 28.30 28.27 28.30 28.30 28.31 28.25
Date 08/31Tue 09/01/26Wed 09/02/26Thu 09/03/26Fri 09/04/26
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 90 69 93 71 93 71 92 70 91
TEMP 89 82 72 71 90 83 74 73 90 83 73 73 89 82 72 73 88 81
DEWPT 68 70 67 67 68 70 68 67 69 71 68 68 69 71 68 67 69 70
RH 50 67 84 87 49 65 82 81 50 67 84 84 52 69 87 81 54 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC FW B1 SC FW FW B1
POP 12HR 5 0 5 0 10 5 30 10 30
RAIN SHWRS SC SC
TSTMS 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