National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon Sep 28 2026

VAZ018-290800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 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                 53          79          55          84          57
TEMP          71 64 60 58 56 55 70 77 77 64 60 58 56 56 73 82 83 70 62 61 59 59
DEWPT         55 54 53 53 53 53 58 57 55 56 57 56 55 54 60 57 52 56 54 54 53 52
MIN/MAX RH                   94          45          95          34          83
RH            57 70 78 83 90 93 66 50 47 75 90 93 96 93 64 43 34 61 75 78 80 78
WIND DIR      NW NW  N NW NW NW  N  N  E NE  N  N  N  N  S SW SW  S SW SW  W  W
WIND SPD       5  4  3  1  2  2  1  2  1  1  0  0  0  0  2  3  2  1  1  2  2  2
WIND GUST        16                                                            
CLOUDS        B2 B1 B2 B2 B2 SC FW B1 SC SC FW FW FW FW FW FW FW SC FW FW FW FW
CLOUDS(%)     76 65 86 78 78 34 20 53 49 30 25 17 21 23  9 22 17 27 22 21 18 22
VSBY          10 10 10  5  1  1 10 10  9 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      0           0           0           0           0
Obvis                     PF PF                                                
MIX HGT        4 <1 <1 <1 <1 <1  3  5  4 <1 <1 <1 <1 <1  3  5  6 <1            
T WIND DIR    NW NW NW NW NW NW NW NW SW SE SE  S SW  S SW SW SW SE            
T WIND SPD    10  8  6  4  2  2  2  4  2  4  4  2  1  2  9  6  5  3            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           27  4  3  2  1  2 10 25 12  2  2  1  1  2 33 39 37  2            
MAX LVORI      2  3  4  5  7  6  3  2  2  3  6  7  9  8  1  1  1  3            
STABILITY      D  F  F  F  F  B  A  B  A  G  G  G  G  A  B  B  B  G            
CEILING              1500  2300  None  None  None  None  None  None  None      
STA PRES            27.81 27.82 27.86 27.84 27.87 27.89 27.93 27.88            


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       87      61      87      63      79      61      73      55      70
TEMP          86 72 64 62 84 74 66 64 76 68 63 61 71 65 60 55 68 59
DEWPT         57 59 57 56 63 62 62 61 65 62 60 60 66 62 58 54 56 52
RH            37 64 78 81 49 66 87 90 69 81 90 97 84 90 93 96 65 78
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW SC SC SC B1 B1 SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1
POP 12HR            0       0      20      20      40      50      60      30      30
RAIN SHWRS                   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