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 Fri May 8 2026

VAZ018-090800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 PM EDT Fri May 8 2026

Date           05/08/26      Sat 05/09/26            Sun 05/10/26            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                 51          76          52          81          56
TEMP          70 60 54 52 51 55 67 73 74 66 59 54 53 57 75 80 79 70 64 60 58 57
DEWPT         34 39 37 38 40 44 49 48 48 48 48 47 46 50 51 48 48 51 52 51 51 52
MIN/MAX RH                   68          39          78          32          84
RH            26 46 52 59 66 66 52 41 40 52 67 77 77 77 43 33 34 51 65 72 77 83
WIND DIR      SW SW SW SW  W  W SW  W  W  W  W  W  W  W  W  W SW  W  W NW NW NW
WIND SPD       4  2  4  4  3  3  6  8  8  3  2  3  3  2  4  4  4  2  1  2  2  3
WIND GUST     14    17 17 16 17 20 23 23 14 12    13 12 17 14 14 12          16
CLOUDS        CL FW FW SC SC B2 SC B1 B1 FW FW CL CL CL FW FW SC B1 B1 B2 B2 B2
CLOUDS(%)      4 17 20 40 35 76 42 55 51 25  6  3  5  5  6 22 36 51 53 82 82 84
VSBY          10 10 10 10 10 10 10 10 10 10  9  9  8 10 10 10 10  9  9  4  2  4
POP 12HR                      0          10           5           5          70
RAIN SHWRS                                                             NM NM  O
MIX HGT        8 <1 <1 <1 <1 <1  5  6  5 <1 <1 <1 <1 <1  5  7  5 <1            
T WIND DIR     W  S  S SW SW SW  W SW  W  W  W  W  W  W  W SW SW SW            
T WIND SPD    10 10  8  6  4  6 14 18 20 12  5  4  4  4 11 10 12  5            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           97  5  4  3  2  7 88 84 86  6  3  2  2  4 69 87 81  3            
MAX LVORI      1  2  2  3  3  3  1  1  1  2  3  4  4  4  1  1  1  2            
STABILITY      A  G  F  F  G  B  B  C  C  G  G  G  G  A  A  A  A  F            
CEILING              None  None  3200  None  None  None  None  None   700      
STA PRES            27.69 27.66 27.66 27.63 27.71 27.75 27.76 27.71            


Date           05/11Tue 05/12/26Wed 05/13/26Thu 05/14/26Fri 05/15/26
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       65      39      66      47      69      48      68      47      75
TEMP          64 57 43 44 64 59 49 50 67 62 52 52 66 61 50 51 72 67
DEWPT         48 37 34 33 33 36 35 40 49 48 45 44 44 42 40 42 45 46
RH            56 47 70 65 31 42 58 68 52 60 77 74 45 49 68 71 38 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 SC CL CL FW FW B1 B2 B1 B1 SC SC SC SC SC SC SC
POP 12HR           80       5       0      20      60      30      10       5       5
RAIN SHWRS     O IS                IS NM SC SC                     
TSTMS            IS                      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