Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
402 PM EDT Sun Apr 5 2026
VAZ018-060800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
402 PM EDT Sun Apr 5 2026
Date 04/05/26 Mon 04/06/26 Tue 04/07/26 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 38 62 40 56 33
TEMP 59 51 47 42 38 38 51 60 62 55 49 45 41 41 49 54 56 47 40 36 33 34
DEWPT 43 35 33 30 27 27 30 31 31 31 32 31 30 27 25 18 14 18 19 19 18 18
MIN/MAX RH 66 32 65 19 55
RH 55 54 58 62 64 64 44 33 31 40 52 58 65 57 39 24 19 31 42 50 53 51
WIND DIR W NW NW NW NW NW NW W W W W NW NW NW NW NW NW NW N E E E
WIND SPD 12 10 11 10 9 6 8 9 9 6 5 6 6 9 9 8 5 2 2 2 2 2
WIND GUST 29 32 35 33 29 26 26 26 26 23 21 21 24 27 27 23 18 12 13
CLOUDS SC SC FW FW FW FW CL FW FW FW FW FW FW FW FW FW CL CL CL FW FW FW
CLOUDS(%) 35 31 15 7 8 9 4 7 7 12 8 9 17 13 7 7 4 4 3 9 15 15
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 2 1 1 <1 1 3 6 7 1 1 <1 1 2 4 5 5 <1
T WIND DIR NW NW NW NW NW NW NW W W W NW NW NW NW NW NW NW NW
T WIND SPD 27 29 29 25 13 24 19 26 27 21 18 18 17 13 14 13 9 5
DISPERSION FR FR FR PR PR PR PR PR VP VP VP VP
ADI 111 40 20 17 9 41 68167200 10 8 8 8 35 70 79 59 3
MAX LVORI 1 1 2 2 3 1 1 1 1 2 2 2 3 1 1 1 1 2
STABILITY B D E E E B B B B F F F F B B B A G
CEILING None None None None None None None None None
STA PRES 27.82 27.87 27.89 27.84 27.90 27.96 28.06 28.07
Date 04/08Thu 04/09/26Fri 04/10/26Sat 04/11/26Sun 04/12/26
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 57 35 64 45 76 50 80 54 83
TEMP 54 50 39 37 61 56 47 47 72 65 54 54 78 69 58 56 79 73
DEWPT 21 26 27 29 35 37 39 42 45 44 44 46 49 48 47 48 51 50
RH 27 39 62 72 38 49 74 83 38 46 69 74 36 47 67 74 38 44
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC B1 SC FW FW SC SC SC SC FW FW SC SC SC SC SC
POP 12HR 0 5 5 10 10 5 10 5 10
$$
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