Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Wed Apr 1 2026
VAZ018-020800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 AM EDT Wed Apr 1 2026
Date 03/31/26 Wed 04/01/26 Thu 04/02/26 Fri
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 61 79 59 82 58
TEMP 61 62 73 78 78 69 65 63 60 60 75 81 79 71 67 62 60 59
DEWPT 52 54 58 56 57 56 56 56 55 57 60 58 56 54 54 52 53 54
MIN/MAX RH 76 46 87 44 83
RH 72 75 59 47 48 63 73 78 84 90 60 46 45 55 63 70 78 83
WIND DIR W W W W SW SW SW W W W S S S S S S S S
WIND SPD 4 4 6 6 4 2 2 2 1 1 2 6 6 5 4 3 3 3
WIND GUST 19 20 21 18 17 13 13 19 23 21 19 16 16 16
CLOUDS FW B1 B1 B2 B1 B1 SC SC SC SC SC B1 B1 FW FW FW SC B1
CLOUDS(%) 25 59 59 84 60 66 43 45 26 45 45 59 59 21 21 25 34 59
VSBY 10 10 10 6 8 8 8 9 10 7 7 7 7 10 10 10 10
POP 12HR 5 80 40 40 5
RAIN SHWRS IS O SC SC IS IS IS SC SC
TSTMS IS SC SC SC IS
MIX HGT <1 <1 4 5 4 <1 <1 <1 <1 <1 3 5 4 <1 <1 <1 <1 <1
T WIND DIR SW W W SW SW S S SW SW SW W SW S S S S SW S
T WIND SPD 5 5 19 12 12 17 5 4 3 3 11 12 14 17 13 11 14 5
DISPERSION VP VP VP VP VP PR VP VP VP
ADI 3 6 73 40 37 8 3 2 2 3 40 39 77 8 6 5 7 6
MAX LVORI 3 4 1 1 1 3 3 4 5 6 1 1 1 3 3 3 4 4
STABILITY F D C D D F F F G A B D B F F G G B
CEILING None 10100 4000 None None None None None None
STA PRES 27.87 27.92 27.88 27.91 27.94 28.01 27.97 28.01 28.03
Date 04/03Sat 04/04/26Sun 04/05/26Mon 04/06/26Tue 04/07/26
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 59 81 57 67 37 62 38 64
TEMP 78 72 63 60 80 73 65 60 63 56 43 38 59 53 42 40 62 55
DEWPT 54 53 54 56 56 54 53 54 49 36 29 26 26 26 29 31 34 31
RH 43 51 72 87 44 51 65 81 60 47 57 62 28 35 60 70 35 40
WIND SPD <15 <15 <15 <15 <15 15> <15 <15 <15
AVG CLOUDS B1 B1 B1 SC SC B1 B1 B2 B2 B2 B1 SC FW FW FW SC SC SC
POP 12HR 30 10 50 50 80 20 0 5 10
RAIN SHWRS SC IS SC SC SC O NM IS
TSTMS 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