Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Mon Sep 28 2026
NCZ003-290800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
801 PM EDT Mon Sep 28 2026
Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu
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 54 81 56 83 59
TEMP 60 59 57 56 71 78 79 67 62 59 57 57 74 81 82 72 64 62 60 60
DEWPT 54 53 54 54 59 58 58 60 59 57 57 56 62 62 61 63 60 57 56 57
MIN/MAX RH 96 46 98 48 91
RH 81 80 90 93 66 50 49 78 90 93100 96 66 53 49 73 87 84 87 90
WIND DIR NW NW NW NW N E S N N N N N S S S N N N N N
WIND SPD 3 2 2 2 0 2 3 0 0 0 0 0 2 4 4 0 0 0 0 0
CLOUDS SC SC FW FW FW FW SC FW CL FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 32 47 14 13 7 14 40 25 2 15 19 15 7 20 19 16 15 18 23 19
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 10 10 10 10 10 10 7
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR N N N N N N SE SE E NE N NW SW SW S SW
T WIND SPD 10 5 4 4 2 2 1 3 2 1 2 3 2 4 5 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 5 3 2 5 7 12 5 2 1 1 1 3 7 21 26 1
MAX LVORI 4 5 6 6 3 2 2 4 7 8 10 8 3 2 2 3
STABILITY G G G B A B B G G G G A B B B G
CEILING None None None None None None None None None
STA PRES 28.14 28.15 28.19 28.16 28.20 28.22 28.27 28.22
Date 10/01Fri 10/02/26Sat 10/03/26Sun 10/04/26Mon 10/05/26
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 85 61 87 64 80 63 74 57 70
TEMP 84 73 63 62 84 77 67 65 77 72 64 63 72 68 61 57 69 63
DEWPT 63 65 61 60 66 68 64 63 69 68 63 63 69 67 61 57 60 58
RH 49 76 93 93 55 74 90 93 76 87 97100 90 97100100 73 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR 0 0 20 20 50 50 60 40 40
RAIN SHWRS IS IS IS SC SC SC SC SC NM SC SC SC 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