Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Tue Jun 16 2026
VAZ046-170800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
231 AM EDT Tue Jun 16 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 55 80 61 89 69
TEMP 57 61 71 76 79 76 68 65 62 66 81 87 89 84 73 72 71 75
DEWPT 53 52 53 54 54 56 57 57 57 59 59 58 57 58 58 59 62 65
MIN/MAX RH 88 43 86 34 74
RH 86 72 53 46 42 50 68 75 84 78 47 38 34 41 59 64 73 71
WIND DIR N NE E S S S SE SW W W W SW SW SW S SW SW SW
WIND SPD 2 2 3 4 6 4 4 3 3 4 6 9 10 4 5 9 12 13
WIND GUST 20 24 26
CLOUDS SC SC SC SC SC SC B1 B1 SC CL FW FW SC SC SC SC SC SC
CLOUDS(%) 27 43 29 35 30 49 67 60 33 4 20 15 29 27 26 35 38 32
VSBY 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 <1 1 5 6 7 <1 <1 <1 <1 <1 6 8 9 <1
T WIND DIR NW NE S S SW SW S S SW W W SW SW SW
T WIND SPD 2 10 2 6 12 12 2 2 3 8 11 14 18 12
DISPERSION VP VP VP VP VP VP PR PR FR
ADI 1 16 14 54106 6 1 1 2 9 76128169 6
MAX LVORI 4 3 2 1 1 2 3 4 5 4 1 1 1 2
STABILITY G A A A A G F F F A B B B F
CEILING None None None 11800 None None None None
STA PRES 29.25 29.24 29.14 29.13 29.13 29.15 29.09
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 96 70 85 62 85 60 89 66 87
TEMP 94 85 74 73 82 79 66 66 82 80 64 66 86 82 70 69 84 83
DEWPT 69 68 67 65 65 61 57 57 53 54 53 54 56 59 59 61 64 67
RH 44 57 79 76 56 54 73 73 37 41 67 65 36 46 68 76 51 59
WIND SPD 15> <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC B1 B1 B2 B1 SC SC FW FW CL FW FW FW SC SC SC B1
POP 12HR 20 50 60 10 0 0 5 20 30
RAIN SHWRS IS SC SC NM SC IS SC SC
TSTMS IS 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