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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Mon Jun 22 2026
VAZ012-222000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
331 AM EDT Mon Jun 22 2026
Date Mon 06/22/26 Tue 06/23/26 Wed 06/24/26
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 83 59 75 50 83
TEMP 61 65 74 78 78 71 66 64 61 60 66 70 74 68 58 53 50 56 70 77 82 74
DEWPT 57 62 66 68 69 67 64 63 61 60 60 58 55 53 53 51 49 52 51 50 50 53
MAX/MIN RH 65 100 52 95 33
RH 87 90 76 71 74 87 93 97100100 81 66 51 59 83 93 96 86 51 39 33 48
WIND DIR SW SW SW SW W W W W NW NW NW NW NW NW NW NW W N N W W NW
WIND SPD 2 3 5 5 4 4 3 3 3 4 4 4 4 3 1 1 1 0 0 1 1 1
WIND GUST 16 16 14 13
CLOUDS B1 B1 B1 B2 OV OV B2 B1 B1 B1 B1 B2 SC FW CL FW FW FW FW FW FW FW
CLOUDS(%) 58 57 59 72 89 88 77 60 63 65 65 70 32 24 5 8 7 15 9 19 16 16
VSBY 10 10 10 4 4 6 7 8 7 10 10 7 10 10 10 10 10 10
POP 12HR 80 60 10 0 0
RAIN SHWRS SC NM O NM SC SC IS
TSTMS SC NM O NM
MIX HGT <1 <1 3 3 3 <1 <1 <1 <1 2 2 3 4 2 <1 <1 <1 <1 4 6 6 <1
T WIND DIR N S SW W W W SW W W W NW NW N N N N W NW NW NW W NW
T WIND SPD 0 4 20 27 21 12 5 13 8 17 19 18 21 20 13 4 3 1 4 3 3 2
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 0 5 67 96 66 8 3 6 4 34 53 61106 9 6 2 2 1 25 24 25 1
MAX LVORI 6 6 3 3 3 5 8 6 9 4 3 1 1 2 4 6 7 6 2 2 2 2
STABILITY F B C C C E F F F C C C A G G G G A A A A G
CEILING 1300 2400 300 0 100 None None None None None
STA PRES 27.18 27.19 27.21 27.21 27.27 27.31 27.34 27.34 27.35 27.32
Date Thu 06/25/26Fri 06/26/26Sat 06/27/26Sun 06/28/26
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 57 86 60 84 60 84 62 87
TEMP 59 62 81 76 64 64 79 75 63 63 78 74 64 65 80 77
DEWPT 52 55 59 62 60 63 63 63 61 63 65 65 62 65 65 66
RH 78 78 47 62 87 97 58 66 93100 64 74 93100 60 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1
POP 12HR 5 20 20 40 40 60 30 40
RAIN SHWRS IS IS SC SC SC SC SC NM SC IS SC SC
TSTMS IS IS IS SC SC IS SC IS 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