Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EDT Fri Apr 10 2026
NCZ006-102000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
631 AM EDT Fri Apr 10 2026
Date Fri 04/10/26 Sat 04/11/26 Sun 04/12/26
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 78 50 82 53 82
TEMP 42 64 74 77 70 59 55 52 53 74 81 80 71 63 58 54 54 67 79 81 75
DEWPT 38 41 38 39 41 43 42 41 44 52 53 52 54 52 52 51 49 53 52 50 51
MAX/MIN RH 25 71 36 90 34
RH 86 43 27 25 35 55 61 66 71 46 38 38 55 67 80 90 83 61 39 34 43
WIND DIR N SW SW S S S SW SW W NW N N E E E E E SE S S S
WIND SPD 0 1 2 3 2 2 2 2 2 3 3 2 2 2 2 2 2 3 5 6 3
CLOUDS FW CL CL CL CL CL FW FW SC SC SC FW FW SC SC SC FW FW FW SC FW
CLOUDS(%) 6 0 5 0 5 0 11 11 26 28 31 25 22 28 37 29 25 14 19 26 20
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 5 5 0
MIX HGT <1 2 4 5 <1 <1 <1 <1 <1 3 7 6 <1 <1 <1 <1 <1 3 5 8 <1
T WIND DIR S W SW SW S SW SW W W N NW NW NE E SE SE E S S SW S
T WIND SPD 2 8 4 8 5 5 5 4 3 14 6 2 2 5 13 11 8 6 11 16 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 26 24 49 3 3 3 2 3 66 57 17 1 3 6 5 9 25 72132 4
MAX LVORI 5 2 2 1 2 2 3 3 3 1 1 2 2 3 4 6 4 2 1 1 2
STABILITY A A A A G G G G A A A A G G G G A A A B G
CEILING None None None None None None None None None None
STA PRES 29.70 29.60 29.60 29.59 29.64 29.60 29.65 29.69 29.73 29.63
Date Mon 04/13/26Tue 04/14/26Wed 04/15/26Thu 04/16/26
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 59 84 61 89 64 92 65 93
TEMP 65 62 82 77 66 63 87 82 70 66 89 84 72 68 90 85
DEWPT 55 55 51 49 50 52 53 53 53 54 55 52 53 55 55 53
RH 70 78 34 37 56 67 31 37 55 65 32 33 51 63 31 33
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 SC FW SC SC SC SC SC SC B1 B1 SC B1
POP 12HR 0 0 0 0 0 0 0 5
$$
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