Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Sat Jul 4 2026
VAZ012-050800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
131 AM EDT Sat Jul 4 2026
Date 07/03/26 Sat 07/04/26 Sun 07/05/26 Mon
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 67 98 65 94 64
TEMP 67 67 71 87 92 91 81 71 67 65 69 86 92 88 78 70 66 64 68
DEWPT 62 61 65 67 63 65 65 64 63 62 65 66 64 65 66 65 64 63 66
MIN/MAX RH 84 35 89 40 99
RH 84 81 81 52 38 42 58 79 87 90 87 51 40 47 67 84 93 97 93
WIND DIR N N W W SW S SW W NW N N SW SW W W N N N N
WIND SPD 0 0 1 1 1 2 1 1 1 0 0 1 1 1 1 0 0 0 0
CLOUDS SC FW FW FW B1 SC SC FW SC SC SC FW B2 B2 B1 B1 SC B1 B1
CLOUDS(%) 32 14 6 10 51 40 33 22 30 43 33 11 76 73 54 51 46 53 58
VSBY 7 7 9 10 10 10 10 10 8 6 9 10 10 10 10 8 1 3 6
POP 12HR 5 30 20 70 30
RAIN SHWRS SC IS IS NM NM SC SC SC
TSTMS SC IS IS SC SC IS
MIX HGT <1 <1 <1 4 8 4 <1 <1 <1 <1 <1 5 7 4 <1
T WIND DIR W W W W SW SW SW W W W NW SW S S NW
T WIND SPD 3 3 1 5 5 4 12 2 4 3 1 3 5 6 5
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 2 1 30 46 23 6 1 2 2 1 20 45 32 3
MAX LVORI 5 5 5 2 1 2 3 4 6 7 6 2 1 1 3
STABILITY G G A A B B G F G G A A B B F
CEILING None None None None None None 3300 None
STA PRES 27.34 27.36 27.29 27.30 27.30 27.30 27.25
Date 07/06Tue 07/07/26Wed 07/08/26Thu 07/09/26Fri 07/10/26
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 90 63 86 62 86 62 88 63 87
TEMP 84 79 66 67 81 77 64 66 81 78 65 66 83 78 65 66 85 76
DEWPT 68 68 65 67 68 65 63 65 65 65 63 65 65 65 64 66 68 66
RH 59 69 97100 65 67 97 97 58 64 93 97 55 64 97100 57 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 OV B1 B1 B1 B2 B1 B1 B1 B1 SC B1 B1 B1 B1 SC SC B2
POP 12HR 90 40 70 30 50 20 50 30 60
RAIN SHWRS SC O SC SC NM SC SC SC IS SC SC SC IS NM
TSTMS IS SC SC IS SC IS IS SC IS IS SC SC 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