National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Mon Jun 15 2026

VAZ024-160800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
231 PM EDT Mon Jun 15 2026

Date           06/15/26      Tue 06/16/26            Wed 06/17/26            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                 51          82          58          89          66
TEMP          80 72 62 57 54 58 72 79 81 76 67 63 59 63 80 87 89 83 71 68 67 72
DEWPT         49 49 48 48 47 50 50 52 54 56 57 56 54 57 59 59 59 60 59 60 61 63
MIN/MAX RH                   83          38          86          36          81
RH            34 44 60 72 77 75 46 39 39 50 70 78 83 81 49 39 37 46 66 76 81 73
WIND DIR      NW NW NW NW  N  N  S  S SW  S  S  N  N  N  W  W  W SW  S SW SW SW
WIND SPD       8  5  2  1  0  0  1  3  4  2  1  0  0  0  4  6  6  2  2  2  3  6
WIND GUST     19 18                                        17 17          13 24
CLOUDS        FW FW FW SC SC FW FW SC SC SC B1 SC SC FW FW FW FW FW FW SC SC SC
CLOUDS(%)     15 11 21 33 27 22 13 35 36 37 67 45 41  7  7 22 20 15 16 31 38 41
VSBY          10 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        6 <1 <1 <1 <1  1  5  7  6 <1 <1 <1 <1 <1  5  8  8 <1            
T WIND DIR    NW NW NW NW  N  N SW  S SW  S  S SW  W  W  W SW SW  S            
T WIND SPD    14 14  4  3  3  2  3  9 11 11  3  2  2  2 14 17 18 11            
DISPERSION       PR VP VP VP             VP VP VP VP             VP VP VP VP   
ADI          104  7  2  2  2  3 21 74 89  5  2  1  1  2 96139148  5            
MAX LVORI      1  2  3  3  4  4  2  1  1  2  3  4  5  4  1  1  1  2            
STABILITY      B  F  G  G  G  A  A  A  A  G  F  F  F  A  A  B  B  G            
CEILING        None  None  None  None  None  4600  None  None  None  None      
STA PRES      28.39 28.44 28.46 28.44 28.35 28.34 28.33 28.35 28.30            


Date           06/18Fri 06/19/26Sat 06/20/26Sun 06/21/26Mon 06/22/26
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       94      66      83      57      84      57      89      62      91
TEMP          94 85 72 70 80 76 62 62 82 77 62 63 84 81 67 66 86 83
DEWPT         69 68 67 65 64 59 56 56 53 54 54 55 57 60 59 60 64 66
RH            44 57 84 84 58 56 81 81 37 45 75 75 40 49 75 81 48 57
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 B2 B2 B1 SC SC FW FW FW FW SC SC SC B1 B1 B1
POP 12HR           50      50      60      20       0       0       5      30      50
RAIN SHWRS       SC SC SC NM SC IS                      IS SC SC SC
TSTMS            SC IS    IS SC                         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