Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1232 AM EST Thu Feb 26 2026
NCZ001-270900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
1232 AM EST Thu Feb 26 2026
Date 02/25/26 Thu 02/26/26 Fri 02/27/26 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 39 44 37 48 35
TEMP 40 39 39 40 43 44 42 40 39 38 37 40 45 48 42 41 38 38 37
DEWPT 38 39 39 40 43 42 40 38 37 37 37 39 40 39 38 36 35 35 33
MIN/MAX RH 100 93 99 72 89
RH 92100100100100 93 93 92 92 96100 96 82 71 86 82 89 89 85
WIND DIR W W SW SW W W NW NW W SW S SE S S S S S W W
WIND SPD 10 8 8 6 8 8 6 6 5 5 5 5 5 5 5 5 5 5 9
CLOUDS OV OV OV OV B2 B2 B2 B2 B1 B2 B2 B1 B1 SC FW SC SC SC FW
CLOUDS(%) 92 94 93 91 77 78 70 71 67 76 76 66 66 45 24 33 38 42 25
VSBY 3 4 3 2 4 7 9 8 7 7 7 7 10 10 10 10 10 10 10
POP 12HR 90 80 20 10 5
RAIN D D C S S
RAIN SHWRS O IS
MIX HGT <1 <1 <1 <1 2 1 <1 <1 <1 <1 <1 <1 3 4 <1
T WIND DIR SW N E SE W W NW N S S SE S SE SE SE
T WIND SPD 3 2 5 4 13 8 3 1 2 1 2 9 6 6 5
DISPERSION FR PR PR PR PR PR PR PR PR PR
ADI 3 2 6 5 28 13 2 1 2 1 3 11 17 35 3
MAX LVORI 6 9 8 9 4 5 6 8 7 9 9 6 4 3 5
STABILITY D D D D D D E E E E D D D B F
CEILING 200 200 100 200 300 400 None None
STA PRES 26.49 26.48 26.51 26.61 26.65 26.72 26.68
Date 02/28Sun 03/01/26Mon 03/02/26Tue 03/03/26Wed 03/04/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 54 41 52 36 39 31 39 36 48
TEMP 51 46 42 42 50 45 40 38 37 38 34 32 36 37 38 40 46 45
DEWPT 34 35 34 34 36 35 34 33 34 32 29 28 30 30 33 36 40 38
RH 52 65 73 73 58 68 79 82 89 79 82 85 79 75 82 85 79 76
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL CL SC B1 B2 B2 OV OV OV OV OV OV OV OV OV B2
POP 12HR 0 0 5 30 60 40 40 40 40
RAIN C L L C C C C C C C C
SNOW S S
$$
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