Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EDT Wed Jun 17 2026
VAZ024-172000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
631 AM EDT Wed Jun 17 2026
Date Wed 06/17/26 Thu 06/18/26 Fri 06/19/26
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 89 67 92 67 87
TEMP 65 77 84 88 81 75 71 69 73 83 88 90 81 74 70 67 69 79 85 87 79
DEWPT 59 58 56 54 57 58 59 62 64 69 69 70 68 67 67 65 65 64 60 57 56
MAX/MIN RH 32 85 51 93 37
RH 81 52 38 31 44 55 66 78 73 63 54 52 65 79 90 93 87 60 43 36 45
WIND DIR SW W SW SW S SW SW SW SW SW W W W W W W W W W W NW
WIND SPD 1 4 5 6 4 4 5 5 10 12 11 10 6 3 2 2 2 5 8 9 5
WIND GUST 27 28 27 25 24 14 18 20 21
CLOUDS FW CL SC FW SC SC B1 B1 B1 SC SC SC SC B2 B2 B1 B1 B1 SC FW FW
CLOUDS(%) 12 5 30 16 33 33 57 60 54 38 27 44 42 70 72 69 68 53 39 16 11
VSBY 10 10 10 10 10 10 10 10 8 7 6 6 6 10 10 10 10 10 10 10 10
POP 12HR 0 5 50 30 20
RAIN SHWRS IS IS SC SC IS IS
TSTMS IS
MIX HGT <1 4 8 7 <1 <1 <1 <1 2 5 7 5 <1 <1 <1 <1 1 4 5 6 1
T WIND DIR NW W W SW S S SW SW SW W W W W SW W SW W W W NW NW
T WIND SPD 2 9 10 14 8 6 8 9 14 33 32 27 12 11 13 5 6 3 6 6 10
DISPERSION VP VP PR PR PR VP VP VP PR
ADI 2 50 83116 5 5 5 6 38141149156 8 5 6 3 12 13 43 46 5
MAX LVORI 5 1 1 1 2 3 3 4 3 1 1 1 3 4 5 6 5 2 1 1 2
STABILITY A A B B E E E E C C C B E F F F B C B B F
CEILING None None None 14600 None None 4400 7500 None None
STA PRES 28.38 28.31 28.31 28.29 28.30 28.31 28.37 28.36 28.35 28.33
Date Sat 06/20/26Sun 06/21/26Mon 06/22/26Tue 06/23/26
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 58 87 59 89 64 86 64 88
TEMP 62 63 84 79 62 64 87 82 68 67 83 80 69 67 84 80
DEWPT 55 55 51 54 54 56 58 61 60 62 68 68 65 63 63 63
RH 78 75 32 42 75 75 38 49 76 84 61 67 87 87 49 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL CL FW FW SC B1 B1 B2 B2 B1 SC SC SC
POP 12HR 0 0 0 10 40 70 50 20
RAIN SHWRS SC SC NM NM SC IS IS IS
TSTMS IS SC 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