Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Thu May 7 2026
NCZ003-080800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
231 PM EDT Thu May 7 2026
Date 05/07/26 Fri 05/08/26 Sat 05/09/26 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 40 70 46 76 50
TEMP 63 60 52 47 42 45 61 67 69 64 53 50 47 51 65 73 75 70 58 54 51 55
DEWPT 53 48 42 37 34 36 39 41 42 46 44 44 43 46 52 53 54 56 53 51 50 52
MIN/MAX RH 74 37 89 46 95
RH 70 64 69 68 73 70 44 39 37 52 71 80 86 83 63 49 48 61 83 90 96 90
WIND DIR NW NW NW NW W N N S S S N N N N SW SW W W N N N N
WIND SPD 6 3 4 2 2 0 0 4 5 2 0 0 0 0 4 6 6 1 0 0 0 0
WIND GUST 13 17
CLOUDS B1 FW CL CL FW CL CL CL FW FW FW SC B1 B1 SC SC SC SC SC SC SC SC
CLOUDS(%) 58 8 4 4 11 2 4 3 9 16 24 29 51 62 40 32 29 34 34 39 33 33
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 6
POP 12HR 0 0 0 5 0
MIX HGT 4 <1 <1 <1 <1 <1 4 6 6 <1 <1 <1 <1 <1 3 7 7 <1
T WIND DIR N NW NW NW NW N SW SW SW S S S SW S SW W W W
T WIND SPD 16 12 9 5 5 3 5 8 10 8 4 4 2 5 11 19 18 13
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 57 6 4 3 3 3 29 60 69 4 2 2 1 6 51143131 6
MAX LVORI 1 3 3 3 4 3 2 1 1 2 3 5 7 4 1 1 1 3
STABILITY C F F G G A A A B G G G G A A B B G
CEILING None None None None None None None None None None
STA PRES 27.96 28.03 28.09 28.12 28.05 28.03 27.97 27.94 27.92
Date 05/10Mon 05/11/26Tue 05/12/26Wed 05/13/26Thu 05/14/26
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 80 53 70 41 71 47 74 48 75
TEMP 77 72 59 55 67 63 45 46 68 64 51 51 70 67 54 52 72 68
DEWPT 55 58 53 50 50 42 37 37 40 44 42 43 52 53 50 48 52 52
RH 47 61 80 83 54 46 73 71 36 48 71 74 53 61 86 86 49 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B1 SC FW CL CL FW SC SC B1 B1 SC SC SC SC
POP 12HR 20 40 30 0 0 10 40 20 20
RAIN SHWRS IS IS SC SC SC SC IS IS
TSTMS 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