Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 AM EDT Mon Mar 30 2026
VAZ024-302000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
831 AM EDT Mon Mar 30 2026
Date Mon 03/30/26 Tue 03/31/26 Wed 04/01/26
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 72 54 82 61 85
TEMP 60 70 72 67 62 59 56 56 70 79 82 76 69 66 63 61 75 82 84 76
DEWPT 44 47 49 51 50 50 50 51 55 56 56 56 56 56 56 56 59 59 59 59
MAX/MIN RH 43 85 40 84 42
RH 55 44 44 56 65 72 80 83 59 45 41 50 63 70 78 84 58 46 43 56
WIND DIR SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW SW SW SW SW
WIND SPD 5 6 6 3 3 3 2 2 5 8 8 4 4 4 3 3 5 6 4 2
WIND GUST 17 18 14 13 19 19 18 17 14
CLOUDS B1 B2 B1 SC FW FW FW FW SC SC SC SC SC SC SC SC SC B2 B2 B1
CLOUDS(%) 60 70 59 32 9 12 10 22 29 41 39 39 28 28 34 48 48 81 81 64
VSBY 7 10 7 10 10 9 10 10 10 7 7 10 10 10 10 10 10 10 10 10
POP 12HR 20 5 20 5 70
RAIN SHWRS IS IS IS IS IS IS NM NM SC
TSTMS SC SC IS
MIX HGT 3 4 5 1 1 <1 <1 <1 3 6 6 1 1 <1 <1 <1 4 7 3 <1
T WIND DIR SW SW SW S S SW SW SW W W SW S SW SW SW SW W W SW S
T WIND SPD 10 14 17 8 8 8 5 3 16 19 18 9 9 6 5 5 21 16 13 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 24 43 53 4 4 4 3 4 68128119 4 4 3 3 6104 55 30 3
MAX LVORI 2 1 1 3 3 3 5 5 1 1 1 2 3 3 4 4 1 1 1 3
STABILITY D D D G G G G B B B B F F F G B B D D F
CEILING 3800 None None None None None None None None 4200
STA PRES 28.79 28.70 28.71 28.70 28.68 28.59 28.60 28.61 28.65 28.61
Date Thu 04/02/26Fri 04/03/26Sat 04/04/26Sun 04/05/26
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 58 83 59 81 61 83 60 76
TEMP 64 59 81 76 64 61 79 75 65 62 80 76 65 62 73 67
DEWPT 57 57 59 56 54 56 58 57 57 58 60 58 57 56 56 49
RH 78 93 47 50 70 84 49 54 75 87 51 54 75 81 55 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 40 30 10 40 20 50 40 50
RAIN SHWRS SC SC SC SC IS IS SC SC SC SC SC
TSTMS IS 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