National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Tue Oct 27 2026

VAZ046-280800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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                 49          65          50          74          48
TEMP                56 54 52 52 59 62 63 56 53 53 51 51 64 71 73 62 55 53 51 50
DEWPT               50 49 48 49 52 52 53 53 52 53 51 51 59 58 57 57 55 53 51 49
MIN/MAX RH                   89          69         100          57         100
RH                  80 83 86 89 78 70 70 90 96100100100 84 63 57 84100100100 96
WIND DIR             E  E NE NE NE  E  E NE NE  N  N NW SW SW SW  S SW SW  W  W
WIND SPD             3  2  3  3  4  3  3  2  1  1  0  1  2  4  4  2  2  3  3  3
CLOUDS              FW SC SC B2 B1 B2 B2 B2 B2 B2 B2 B2 SC FW CL CL CL FW FW CL
CLOUDS(%)            8 28 50 77 64 70 86 75 83 71 71 73 47 22  3  1  1  6  7  5
VSBY                10 10  3  1  5 10 10 10 10  9  7 10 10 10 10 10            
POP 12HR                      0           0           0           0           0
MIX HGT             <1 <1 <1 <1  1  2  2 <1 <1 <1 <1 <1  2  3  3 <1            
T WIND DIR           E  E NE NE NE  E  E  E  E NE NW  W SW  W SW SW            
T WIND SPD           8  6  4  5  5  5  5  4  4  3  3  3  6  8  8  6            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  4  3  2  6 10 16 16  2  2  2  2  3 16 31 26  3            
MAX LVORI            4  5  6  5  4  3  3  6  8 10 10  9  4  1  2  6            
STABILITY            G  G  F  B  B  C  C  F  F  F  F  C  B  B  B  G            
CEILING              None  None 23900  2900  3600 17100  None  None  None      
STA PRES            29.64 29.66 29.67 29.61 29.62 29.59 29.56 29.48            


Date           10/30Sat 10/31/26Sun 11/01/26Mon 11/02/26Tue 11/03/26
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      49      68      48      67      54      70      55      70
TEMP          79 66 54 49 66 59 50 49 65 60 56 55 67 62 57 55 68 62
DEWPT         54 56 51 46 47 51 50 49 55 57 56 55 62 61 57 55 60 58
RH            42 70 90 89 50 75100100 70 90100100 84 97100100 76 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL FW SC B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B1 B1
POP 12HR            0       0       0       5      30      50      40      20      30
RAIN SHWRS                               SC SC SC SC IS IS 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