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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Jun 30 2026
NCZ003-302000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
801 AM EDT Tue Jun 30 2026
Date Tue 06/30/26 Wed 07/01/26 Thu 07/02/26
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 68 93 70 96
TEMP 79 85 89 85 75 72 69 73 86 91 93 89 78 72 71 77 90 94 96 91
DEWPT 72 72 72 72 72 70 69 70 71 70 70 71 70 68 67 70 71 68 67 69
MAX/MIN RH 58 100 46 90 39
RH 79 65 57 65 90 93100 90 61 50 47 56 76 87 87 79 54 43 39 49
WIND DIR N SE SE N N N N N N E SE N N N N N NE E E N
WIND SPD 0 2 2 0 0 0 0 0 0 2 3 0 0 0 0 0 1 4 3 0
CLOUDS B1 B1 SC SC SC FW FW FW FW SC SC SC FW FW FW FW FW FW FW SC
CLOUDS(%) 68 55 31 37 41 20 16 13 6 28 27 31 9 13 12 13 17 24 19 26
VSBY 10 10 10 10 10 10 8 10 10 10 10 10 10 10 5 10 10 10 10 10
POP 12HR 10 5 5 0 5
RAIN SHWRS
MIX HGT 3 4 4 <1 <1 <1 <1 <1 4 6 6 <1 <1 <1 <1 <1 5 8 8 <1
T WIND DIR SW N SE S SW W SW W N N NW SW W NW N N N NE NE S
T WIND SPD 2 3 1 6 1 1 1 2 6 3 3 1 2 3 4 5 6 5 3 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 8 18 6 3 1 1 1 2 37 26 25 1 1 2 2 6 42 51 32 1
MAX LVORI 4 2 3 3 7 9 10 6 1 2 2 3 4 6 6 4 1 1 1 2
STABILITY B B A G F G G A A A A G G G G A A A A G
CEILING 1100 None None None None None None None None None
STA PRES 28.28 28.23 28.22 28.23 28.23 28.20 28.20 28.21 28.24 28.21
Date Fri 07/03/26Sat 07/04/26Sun 07/05/26Mon 07/06/26
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 70 96 70 96 69 93 68 89
TEMP 73 75 95 89 72 75 95 85 71 74 92 82 71 72 86 82
DEWPT 66 68 65 67 65 68 64 68 67 69 68 71 68 70 70 71
RH 79 79 37 48 79 79 36 57 87 84 46 69 90 93 59 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW B1 SC SC SC B2 B1 SC B1 B2
POP 12HR 0 10 5 40 30 70 40 70
RAIN SHWRS SC SC IS NM SC SC NM
TSTMS SC SC 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