Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Thu May 7 2026
VAZ018-072000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM EDT Thu May 7 2026
Date Thu 05/07/26 Fri 05/08/26 Sat 05/09/26
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 66 41 70 50 75
TEMP 63 64 56 50 44 41 45 61 67 70 62 54 51 51 54 65 71 74 67
DEWPT 46 43 38 34 32 31 33 37 37 38 40 39 39 39 43 48 48 48 49
MAX/MIN RH 45 66 31 68 40
RH 54 46 51 54 62 67 62 41 33 31 44 57 63 63 66 54 44 40 52
WIND DIR W NW NW NW NW NW NW W W W SW SW SW SW SW SW W W W
WIND SPD 4 6 6 5 3 3 2 4 6 6 2 3 3 3 4 8 10 8 3
WIND GUST 14 20 24 23 14 17 19 19 16 16 14 18 25 26 24 14
CLOUDS B2 SC FW FW CL CL CL CL CL CL FW FW SC B1 B1 SC B1 SC FW
CLOUDS(%) 87 29 15 7 3 4 3 4 4 3 8 16 35 52 62 50 52 26 19
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 0 0 5 5
RAIN SHWRS
MIX HGT 4 5 1 <1 <1 <1 <1 5 7 7 <1 <1 <1 <1 <1 3 6 6 1
T WIND DIR NW W NW NW NW NW W W W W S S SW SW SW S W W W
T WIND SPD 4 10 19 10 6 4 3 14 13 11 5 8 6 5 11 12 23 24 17
DISPERSION PR PR VP VP VP VP VP VP VP
ADI 16 61 9 5 3 2 4 90105 90 3 4 3 3 11 51100155 8
MAX LVORI 2 1 2 2 3 3 3 1 1 1 2 3 3 3 3 1 1 1 2
STABILITY C B F F G G A A B B G G G F C B C B G
CEILING None None None None None None None None None
STA PRES 27.61 27.69 27.74 27.75 27.67 27.67 27.60 27.58 27.59
Date Sun 05/10/26Mon 05/11/26Tue 05/12/26Wed 05/13/26
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 52 80 54 66 41 68 49 72
TEMP 54 57 78 70 59 55 64 58 44 45 65 60 51 53 69 66
DEWPT 47 50 51 53 51 47 41 35 33 34 35 38 38 43 49 48
RH 77 77 39 55 75 74 43 42 65 65 33 44 61 69 49 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC B1 B1 B2 B1 SC FW FW CL FW SC B1 B1 B1
POP 12HR 0 30 70 20 5 5 30 40
RAIN SHWRS SC SC NM IS IS SC SC SC
TSTMS IS IS 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