Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Wed Apr 8 2026
VAZ018-090800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 PM EDT Wed Apr 8 2026
Date 04/08/26 Thu 04/09/26 Fri 04/10/26 Sat
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 33 66 42 78 52
TEMP 57 49 42 39 34 35 51 62 65 56 48 45 43 45 65 75 77 66 57 54 52 53
DEWPT 17 17 18 19 23 25 27 29 29 28 29 29 29 31 34 36 37 38 36 37 38 41
MIN/MAX RH 66 25 59 23 64
RH 21 28 37 44 64 66 39 28 26 34 47 53 57 58 31 24 24 36 45 52 59 64
WIND DIR SE SE SE SE E S SE SE SE SE S W W W W SW W W W W W NW
WIND SPD 5 3 2 2 1 1 2 3 3 2 1 1 1 1 1 2 3 2 2 3 2 2
WIND GUST 17 13 13 13 13 14
CLOUDS FW SC SC SC SC SC SC SC FW FW CL CL CL CL CL FW FW FW SC SC SC B1
CLOUDS(%) 19 35 39 47 30 46 41 38 21 13 3 4 5 4 3 8 14 12 27 29 41 60
VSBY 10 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 0 0 5
MIX HGT 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 3 6 8 <1
T WIND DIR SE SE SE SE SE SE S S S SE S S W W W W W W
T WIND SPD 9 13 4 3 2 3 5 3 2 6 3 2 2 3 9 11 12 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 41 6 2 2 1 3 13 12 9 3 2 1 1 3 37 89113 2
MAX LVORI 1 2 2 2 3 3 2 2 2 2 2 2 3 3 1 1 1 2
STABILITY A G G F G A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 28.15 28.17 28.16 28.18 28.11 28.10 28.07 28.06 27.99
Date 04/11Sun 04/12/26Mon 04/13/26Tue 04/14/26Wed 04/15/26
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 75 52 78 56 82 60 88 63 88
TEMP 73 65 55 53 74 69 60 58 80 74 64 62 85 77 67 65 85 77
DEWPT 47 46 46 47 49 47 46 48 46 45 47 50 53 50 51 53 53 51
RH 40 50 72 80 41 45 60 69 30 35 54 65 33 39 56 65 33 40
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC B1
POP 12HR 20 5 0 0 0 0 10 5 30
RAIN SHWRS IS 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