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 AM EDT Tue Jun 23 2026

VAZ046-232000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Tue Jun 23 2026

Date             Tue 06/23/26            Wed 06/24/26            Thu 06/25/26
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                 79          57          83          59          88
TEMP                75 76 77 74 65 62 58 63 76 81 82 77 65 61 59 65 79 86 88 83
DEWPT               70 69 66 64 61 57 55 58 57 56 56 60 57 56 56 59 62 62 62 64
MAX/MIN RH                   77          89          40          88          41
RH                  84 79 69 71 87 84 90 84 52 42 41 56 75 84 90 81 56 45 42 53
WIND DIR            NW  N  N  N NW NW NW  N  N NW  W SE SE  W SW SW  S  S  S  S
WIND SPD             4  8  9  4  3  4  4  3  3  2  2  2  2  1  1  1  5  8  8  4
WIND GUST                    14                                                
CLOUDS              OV B2 B2 FW FW CL CL CL FW SC SC SC FW FW FW FW FW FW FW FW
CLOUDS(%)           98 82 87 25 10  3  5  4 22 37 27 33 12 20 20  9  8 18 14 13
VSBY                 3  6  7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     80           5           0           0           0
RAIN SHWRS           O NM  O                                                   
TSTMS               NM SC SC                                                   
MIX HGT              1  2  3 <1 <1 <1 <1 <1  4  6  6 <1 <1 <1 <1 <1  4  7  7 <1
T WIND DIR           E NE  N  N NW NW NW  N  N NW NW  E  E  E NE  S  S  S  S  S
T WIND SPD           1  9 23 19  4  6  4 11  5  3  2  1  2  1  1  4  8  9 10 12
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                  2 24 68  9  2  3  2 11 32 24 16  1  1  1  1  5 39 67 77  6
MAX LVORI            7  4  3  4  6  6  6  4  1  2  2  3  3  6  6  5  1  1  1  2
STABILITY            C  C  C  F  G  F  F  A  A  A  A  G  G  G  G  A  A  B  B  F
CEILING               300  1200  None  None  None  None  None  None  None  None
STA PRES            29.13 29.16 29.28 29.32 29.36 29.31 29.33 29.35 29.36 29.32


Date          Fri 06/26/26Sat 06/27/26Sun 06/28/26Mon 06/29/26
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       67      93      69      91      70      91      69      93
TEMP          70 71 92 85 72 72 87 84 72 73 89 85 72 73 91 88
DEWPT         61 64 66 68 68 68 69 69 67 68 68 69 67 68 67 68
RH            73 79 43 57 87 87 55 61 84 84 50 59 84 84 45 52
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC B1 B1 SC B1 SC SC FW SC FW SC FW FW
POP 12HR            0      20      40      40      20      20      10      10
RAIN SHWRS             IS SC IS SC SC IS       IS            
TSTMS                  IS SC       SC IS       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