Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun May 31 2026
VAZ012-010800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 PM EDT Sun May 31 2026
Date 05/31/26 Mon 06/01/26 Tue 06/02/26 Wed
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 55 77 50 72 45
TEMP 62 60 58 59 68 73 74 66 58 54 52 54 65 70 68 61 54 49 45 51
DEWPT 56 57 56 57 52 49 47 48 46 46 45 47 47 46 47 48 47 45 43 46
MIN/MAX RH 99 36 81 43 91
RH 81 90 93 93 57 43 38 52 64 74 77 77 52 42 47 62 77 86 93 83
WIND DIR S W W W NW NW N N N E E E E E NE NE N N N N
WIND SPD 1 2 2 2 3 3 2 2 1 1 1 1 2 2 2 1 0 0 0 0
CLOUDS B1 B1 B1 B1 B1 SC B1 B1 SC B1 B1 SC SC B1 B1 SC FW FW FW CL
CLOUDS(%) 63 59 54 54 59 47 56 58 49 66 65 42 38 59 59 28 16 6 6 3
VSBY 10 8 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 10 10 40 5
RAIN SHWRS IS SC SC
TSTMS SC SC
MIX HGT <1 <1 <1 1 4 5 4 <1 <1 <1 <1 1 4 6 4 1
T WIND DIR S SW W NW NW NW NW N NE E E E E NE NE NE
T WIND SPD 5 4 6 9 12 11 9 8 3 4 12 17 14 11 10 10
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 3 2 3 14 56 69 42 4 2 2 6 33 78 73 46 5
MAX LVORI 5 6 6 5 1 1 1 2 3 3 4 3 1 1 1 3
STABILITY F F F B B A B F F F F A A B B G
CEILING 2800 None None 5900 7100 2800 None None None
STA PRES 27.23 27.21 27.22 27.21 27.25 27.30 27.38 27.40
Date 06/03Thu 06/04/26Fri 06/05/26Sat 06/06/26Sun 06/07/26
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 76 48 82 52 84 55 85 58 85
TEMP 72 66 52 55 77 72 55 58 79 75 59 60 80 75 62 62 80 75
DEWPT 42 46 44 46 46 50 49 50 50 53 52 54 54 56 56 57 58 60
RH 34 48 74 72 33 46 80 75 36 46 78 81 41 52 81 84 47 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW CL CL FW FW FW FW SC SC SC SC SC SC SC B1 B1
POP 12HR 0 0 0 0 5 5 10 20 40
RAIN SHWRS IS SC SC
TSTMS 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