National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Mon Oct 19 2026

NCZ003-192000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
1001 AM EDT Mon Oct 19 2026

Date             Mon 10/19/26            Tue 10/20/26            Wed 10/21/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 69          40          72          44          68
TEMP                57 64 66 51 46 44 43 42 63 71 72 55 51 48 46 44 60 67 68 57
DEWPT               35 29 32 39 38 36 35 34 41 37 44 43 43 42 42 42 47 46 47 45
MAX/MIN RH                   25          74          28          91          45
RH                  43 27 28 63 73 73 73 73 44 29 37 64 74 80 86 93 62 47 47 64
WIND DIR            NE NE NE NE  N  N  N  N  N  N NE  N  N  N  N  N NE NE NE NE
WIND SPD             4  5  4  2  3  4  6  5  3  4  2  3  4  4  4  4  4  3  2  2
CLOUDS              CL CL CL CL CL CL CL CL CL FW CL CL CL CL CL CL CL CL CL CL
CLOUDS(%)            0  0  0  0  0  0  0  1  2 12  2  5  3  2  2  1  2  2  1  2
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT              2  3  2 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR          NE  N  N NE  N NW NW NW  N  N  N  N  N  N  N  N NE  N  N  N
T WIND SPD          13  9  9  2  3  4  4  5  5 10  9  3  5  4  3  4  8  5  4  0
DISPERSION                   VP VP VP PR             VP VP VP VP             VP
ADI                 35 35 26  1  2  2  2  6 12 43 20  2  3  2  2  5 24 23 15  0
MAX LVORI            1  1  2  3  3  3  3  3  2  1  2  3  3  5  5  6  2  2  2  4
STABILITY            B  B  B  G  G  F  F  B  B  B  B  G  F  F  F  B  B  B  B  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  29.20 29.18 29.15 29.15 29.10 29.12 29.12 29.13 29.05


Date          Thu 10/22/26Fri 10/23/26Sat 10/24/26Sun 10/25/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       42      70      43      67      42      63      41      67
TEMP          47 43 69 57 46 45 65 53 46 43 61 52 44 42 65 56
DEWPT         44 41 45 43 41 41 50 47 44 41 46 44 42 41 48 47
RH            89 93 42 59 83 86 58 80 93 93 58 74 93 96 54 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL CL CL CL CL CL CL FW FW CL FW FW CL FW
POP 12HR            0       0       0       0       0       0       0       0

$$


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