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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Sat Jul 4 2026
NCZ005-042000-
RAWS 310540
36.38N 79.70W Elev. 858 ft
301 AM EDT Sat Jul 4 2026
Date Sat 07/04/26 Sun 07/05/26 Mon 07/06/26
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 101 74 100 73 96
TEMP 76 80 94100 96 94 84 79 75 78 92 99 99 90 81 76 73 76 89 95 91 83
DEWPT 67 70 72 68 65 65 64 65 65 68 70 65 63 65 66 68 68 70 72 70 71 72
MAX/MIN RH 33 74 31 86 45
RH 74 72 49 36 36 39 51 62 71 71 49 33 31 44 60 76 84 82 57 45 52 70
WIND DIR SW W W S W SE S S SW SW SW S S S SW W W NW SW SW SW S
WIND SPD 3 3 3 5 6 3 3 3 3 3 3 5 5 3 2 2 2 2 3 5 5 2
CLOUDS B1 SC SC FW SC SC SC FW FW FW FW SC SC B1 B1 SC SC SC SC B2 B2 B2
CLOUDS(%) 60 41 42 25 37 37 31 25 16 20 10 29 33 51 51 28 34 43 30 82 82 73
VSBY 9 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 10 20 30 70
RAIN SHWRS IS SC SC NM NM NM
TSTMS IS SC IS SC NM SC
MIX HGT <1 <1 5 9 7 <1 <1 <1 <1 <1 4 9 8 <1 <1 <1 <1 <1 4 7 4 <1
T WIND DIR SW SW NE S S SW W SW NW NE SW SW S S NW W E E S S SW E
T WIND SPD 3 4 1 4 8 11 3 2 1 6 3 5 6 11 4 1 1 1 4 5 6 3
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 4 7 46 58 5 2 1 1 8 19 60 62 5 2 1 1 1 25 28 24 2
MAX LVORI 3 3 2 1 1 2 2 3 4 3 2 1 1 2 3 4 6 5 2 2 2 3
STABILITY F A A A B G G G G A A A A F F G G A A C C F
CEILING None None None None None None None None None 3100
STA PRES 29.26 29.19 29.18 29.19 29.21 29.16 29.21 29.23 29.24 29.20
Date Tue 07/07/26Wed 07/08/26Thu 07/09/26Fri 07/10/26
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 91 69 88 70 92 71 94
TEMP 73 74 90 85 73 73 86 84 72 73 90 86 75 75 92 88
DEWPT 72 72 72 71 70 70 70 69 69 71 71 70 70 71 70 70
RH 97 93 56 63 90 90 59 61 90 93 54 59 84 87 49 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B2 B1 SC B1 B1 B1 SC B1 B1 SC SC SC B1
POP 12HR 60 70 40 30 30 30 20 30
RAIN SHWRS NM NM SC SC SC SC IS SC
TSTMS SC SC SC SC 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