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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Thu Jun 4 2026
NCZ003-050800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
301 PM EDT Thu Jun 4 2026
Date 06/04/26 Fri 06/05/26 Sat 06/06/26 Sun
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 57 88 61 90 63
TEMP 84 75 67 63 60 64 76 83 86 81 69 65 62 66 82 87 89 83 70 66 64 69
DEWPT 53 54 53 53 53 56 58 57 57 59 57 56 54 57 58 56 56 59 57 55 55 59
MIN/MAX RH 90 37 78 32 74
RH 34 48 61 70 78 75 54 41 37 47 66 73 75 73 44 35 33 44 63 68 73 70
WIND DIR SE S N N NW NW S S S SW W N NW NW W SW SW SW W NW NW W
WIND SPD 2 1 0 0 1 1 1 3 4 2 1 0 1 1 2 4 5 2 1 1 2 1
CLOUDS FW CL CL CL FW FW CL SC SC SC B1 SC SC SC SC SC SC SC FW FW SC SC
CLOUDS(%) 13 0 3 5 7 11 5 40 30 39 66 36 33 33 26 37 34 42 22 21 33 32
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 5
MIX HGT 7 <1 <1 <1 <1 <1 6 7 6 <1 <1 <1 <1 <1 4 7 8 <1
T WIND DIR SW S W NW NW NW W SW SW SW SW NW NW NW W W W W
T WIND SPD 2 5 2 3 3 2 5 6 8 11 4 2 4 10 11 8 10 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 18 3 1 2 2 2 39 57 63 5 2 1 2 10 63 69 94 3
MAX LVORI 2 2 3 3 4 4 1 1 1 2 3 4 4 3 1 1 1 2
STABILITY A G G G G A A A A G F G G A A A A F
CEILING None None None None None None None None None
STA PRES 28.25 28.24 28.26 28.18 28.18 28.17 28.19 28.11
Date 06/07Mon 06/08/26Tue 06/09/26Wed 06/10/26Thu 06/11/26
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 91 65 87 60 79 59 84 62 88
TEMP 88 82 69 70 84 80 67 63 76 75 63 63 81 79 65 67 85 82
DEWPT 61 66 63 64 64 65 61 57 58 58 57 58 60 60 57 59 61 64
RH 40 58 81 81 51 60 81 81 54 55 81 84 49 52 75 75 45 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 B1 B1 B2 B1 B2 B1 SC SC B1 SC SC SC SC B1
POP 12HR 30 20 50 20 20 10 20 10 30
RAIN SHWRS SC IS SC SC IS IS IS IS IS IS IS SC
TSTMS SC IS IS SC IS IS 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