Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Sun Jun 21 2026
VAZ018-212000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
331 AM EDT Sun Jun 21 2026
Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26
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 84 62 87 64 83
TEMP 62 66 75 80 83 76 70 67 64 68 78 83 85 79 72 69 67 69 76 81 80 71
DEWPT 54 56 58 56 56 57 57 56 57 60 65 68 69 68 66 65 63 63 63 61 59 57
MAX/MIN RH 40 86 59 93 48
RH 75 70 55 44 40 52 63 68 78 76 64 61 59 69 81 87 87 81 64 51 49 61
WIND DIR NW NW W W W NW SE E S S SW SW SW W W W W NW NW NW NW NW
WIND SPD 3 3 4 6 5 2 3 2 2 3 9 12 9 5 3 4 5 6 6 6 8 6
WIND GUST 16 13 23 23 20 21 18 17 19 23 20 18 20 23
CLOUDS FW FW FW SC SC FW SC SC SC SC SC B2 B2 OV B2 B1 B1 B1 SC SC SC FW
CLOUDS(%) 12 19 7 28 30 19 40 41 33 28 43 81 76 95 82 69 55 51 44 41 35 17
VSBY 6 7 10 10 10 10 10 10 10 10 9 3 3 4 8 10 10 10 10 10 10 10
POP 12HR 0 0 90 90 10
RAIN SHWRS NM NM O NM
TSTMS SC NM IS
MIX HGT <1 1 5 7 6 <1 <1 <1 <1 1 4 4 3 <1 <1 <1 <1 2 4 4 4 2
T WIND DIR W W W W W NW NE E E SE SW W SW SW W SW NW NW NW NW NW NW
T WIND SPD 3 2 11 11 11 3 2 2 2 4 23 19 14 8 2 9 13 19 14 16 13 14
DISPERSION VP VP VP VP VP PR VP VP PR PR
ADI 2 4 67 83 88 2 1 1 1 7108 55 46 5 1 6 9 39 70 78 61 7
MAX LVORI 3 3 1 1 1 2 3 3 4 4 1 1 1 3 5 5 5 3 1 1 1 3
STABILITY G A A B A G G F G A B D C E F E E C B B B F
CEILING None None None None None 3900 3400 None None None
STA PRES 27.77 27.75 27.77 27.76 27.74 27.71 27.68 27.68 27.78 27.78
Date Wed 06/24/26Thu 06/25/26Fri 06/26/26Sat 06/27/26
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 59 85 63 86 64 87 64 87
TEMP 61 64 82 76 65 67 83 75 66 67 84 77 67 68 85 78
DEWPT 54 54 55 57 55 57 63 65 61 62 64 63 60 61 62 63
RH 78 70 40 52 70 70 51 71 84 84 51 62 78 78 46 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW SC SC B2 B1 B1 SC B1 SC SC B1 B1
POP 12HR 5 5 5 60 30 40 20 30
RAIN SHWRS IS NM SC IS IS SC IS SC SC
TSTMS IS SC IS 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