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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Jun 23 2026
NCZ003-232000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
801 AM EDT Tue Jun 23 2026
Date Tue 06/23/26 Wed 06/24/26 Thu 06/25/26
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 80 56 83 59 88
TEMP 74 79 79 72 64 61 57 61 73 80 82 77 66 62 60 65 78 84 87 83
DEWPT 68 64 62 59 56 54 52 54 55 54 55 59 57 55 53 57 60 61 61 63
MAX/MIN RH 62 85 39 80 41
RH 82 60 56 64 75 78 83 78 53 41 40 54 73 78 78 75 54 46 42 51
WIND DIR NW NW NW NW NW NW NW NW N NW S N N N N N S S S SW
WIND SPD 8 11 11 10 5 4 3 3 2 1 2 0 0 0 0 0 2 5 5 1
WIND GUST 19 23 25 24 17 16
CLOUDS B1 SC FW CL CL CL FW CL FW B1 B1 SC FW FW FW FW FW FW FW FW
CLOUDS(%) 53 28 15 3 1 2 6 5 22 55 52 29 21 24 24 15 8 20 17 19
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 50 0 0 0 5
RAIN SHWRS
TSTMS
MIX HGT 3 4 4 <1 <1 <1 <1 <1 4 6 6 <1 <1 <1 <1 <1 4 6 7 <1
T WIND DIR SW N NW NW N N N N N NW NW S NW NW N NW SW S SW S
T WIND SPD 13 31 25 19 11 6 6 11 4 5 3 1 1 3 3 1 8 11 10 10
DISPERSION FR PR VP VP VP VP VP VP VP
ADI 40114 92 13 5 3 3 13 23 39 23 1 1 2 2 1 38 86 87 5
MAX LVORI 4 1 1 3 4 4 5 4 2 1 2 2 4 4 5 4 1 1 1 2
STABILITY C C C E F F G A A A B G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 27.98 28.06 28.15 28.17 28.20 28.15 28.16 28.17 28.19 28.18
Date Fri 06/26/26Sat 06/27/26Sun 06/28/26Mon 06/29/26
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 65 91 68 90 68 92 68 94
TEMP 67 70 88 84 70 72 87 83 70 73 89 85 70 73 90 88
DEWPT 61 63 65 68 65 67 68 68 65 67 68 69 66 67 68 69
RH 81 78 47 59 84 84 53 61 84 81 50 59 87 81 49 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC SC SC SC B1 SC SC SC B1 SC FW FW SC
POP 12HR 0 20 20 30 20 30 10 20
RAIN SHWRS IS IS IS IS SC IS SC IS
TSTMS IS IS SC IS SC IS
$$
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