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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Sat May 30 2026
VAZ024-310800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
431 PM EDT Sat May 30 2026
Date 05/30/26 Sun 05/31/26 Mon 06/01/26 Tue
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 49 78 55 82 54
TEMP 79 69 60 53 50 54 67 75 77 71 63 60 57 59 74 79 81 73 64 58 55 57
DEWPT 50 49 47 45 44 46 49 52 54 56 54 54 54 56 57 54 54 55 52 50 49 51
MIN/MAX RH 79 44 94 38 83
RH 36 49 62 74 80 74 52 45 45 59 72 81 90 90 55 42 39 53 65 75 80 80
WIND DIR NE NE NE NE N N N S S S S N N N N N NE NE NE NE N NE
WIND SPD 5 4 2 1 1 0 0 2 3 1 1 0 0 0 2 3 3 2 1 1 1 2
WIND GUST 17
CLOUDS SC FW FW FW FW FW FW FW SC SC B1 SC SC B1 B1 B1 SC SC SC SC SC SC
CLOUDS(%) 29 25 25 18 17 11 16 10 37 26 69 27 38 59 55 56 48 41 47 47 39 48
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 5 5 5
RAIN SHWRS IS
MIX HGT 6 <1 <1 <1 <1 1 3 4 5 <1 <1 <1 <1 <1 4 6 5 <1
T WIND DIR NE E E NE N E S SW SW S S SW W NW N NW N E
T WIND SPD 9 13 9 4 3 5 4 5 8 12 4 2 1 2 8 5 3 8
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 63 6 4 2 2 10 20 32 47 6 2 1 1 2 37 36 23 4
MAX LVORI 1 2 3 3 4 3 2 1 1 3 3 4 7 6 1 1 2 2
STABILITY A F G G G A A A A G F G G B B B A F
CEILING None None None None None None 10300 None None
STA PRES 28.58 28.63 28.62 28.52 28.47 28.43 28.44 28.42
Date 06/02Wed 06/03/26Thu 06/04/26Fri 06/05/26Sat 06/06/26
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 77 49 76 50 83 55 88 60 89
TEMP 73 69 55 54 74 70 56 56 80 76 60 61 86 80 65 65 87 82
DEWPT 51 53 48 49 47 52 47 49 52 57 52 54 57 62 58 59 62 65
RH 46 57 77 83 38 53 72 77 38 52 75 78 37 54 78 81 43 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC CL FW SC FW FW CL FW CL FW FW SC SC SC SC SC
POP 12HR 40 5 10 5 0 5 5 10 20
RAIN SHWRS IS SC IS
TSTMS 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