Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EDT Tue Aug 25 2026
VAZ018-252000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1231 PM EDT Tue Aug 25 2026
Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26
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 82 59 85 65 85
TEMP 79 79 70 64 62 60 63 76 84 79 72 69 68 67 68 78 84 79 71
DEWPT 57 56 54 53 53 53 54 62 64 67 64 63 62 62 64 68 68 68 66
MAX/MIN RH 43 77 51 88 59
RH 47 45 57 67 72 78 72 62 51 67 76 81 81 84 87 71 59 69 84
WIND DIR SE S NW NW W N S SE S S S S SW SW SW SW S SW SW
WIND SPD 1 2 1 1 1 0 1 3 4 5 3 3 3 2 1 2 3 3 1
WIND GUST 13 13
CLOUDS FW FW FW FW FW FW SC SC B1 B1 B1 SC SC FW B1 B1 B2 B2 B1
CLOUDS(%) 10 7 16 14 18 19 28 34 61 69 55 44 48 24 54 57 75 75 69
VSBY 10 10 10 10 9 8 2 10 10 10 10 10 7 7 7 7 7 7 7
POP 12HR 0 0 10 20 60
RAIN SHWRS IS NM SC
TSTMS IS SC SC
MIX HGT 5 6 <1 <1 <1 <1 <1 3 6 3 <1 <1 <1 <1 <1 2 6 3 <1
T WIND DIR N NW SE S SW W N S S S S S S S S SW SW SE NE
T WIND SPD 2 2 2 2 1 2 0 10 10 11 10 11 4 3 2 8 5 10 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 14 16 1 1 1 1 0 41 46 38 5 5 2 2 2 24 37 40 4
MAX LVORI 2 2 3 3 4 4 4 1 1 3 4 4 5 6 6 3 1 1 5
STABILITY A A G G G G A A C C F F F G B A B B F
CEILING None None None None 3700 None None 15900 2600
STA PRES 27.86 27.89 27.89 27.90 27.83 27.82 27.81 27.80 27.77
Date Fri 08/28/26Sat 08/29/26Sun 08/30/26Mon 08/31/26
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 65 82 64 83 65 85 66 89
TEMP 68 67 81 71 67 66 81 71 68 68 84 73 69 69 87 76
DEWPT 63 64 68 65 62 63 67 64 63 64 67 65 63 64 68 66
RH 84 90 65 81 84 90 63 79 84 87 57 76 81 84 53 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B2 B2 B1 B1 B1 SC SC SC SC SC FW SC SC SC
POP 12HR 40 60 10 20 10 10 5 5
RAIN SHWRS SC IS SC NM IS
TSTMS SC IS SC 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