National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
413 AM EST Thu Feb 26 2026

NCZ005-262100-
RAWS 310540
36.38N  79.70W Elev. 858 ft
413 AM EST Thu Feb 26 2026

Date             Thu 02/26/26            Fri 02/27/26            Sat 02/28/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN TEMP                 57          40          54          40          67
TEMP             48 51 54 56 51 47 45 42 41 45 51 54 50 47 44 42 41 51 63 66 58
DEWPT            48 50 50 49 46 44 42 41 41 43 44 42 42 42 41 40 40 43 43 41 41
MAX/MIN RH                   76         100          65          97          40
RH              100 96 86 77 83 89 89 96100 93 77 64 74 83 89 93 96 74 48 40 53
WIND DIR          S SE  W  N NE  N  N  N NE NE  E  E  E  E  E NW NW  W  W SW  S
WIND SPD          3  5  8  5  3  3  3  3  4  4  4  3  2  2  2  2  2  2  3  2  2
CLOUDS           OV OV OV OV B2 B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC FW CL CL CL
CLOUDS(%)        98 95 91 90 87 57 61 72 81 79 53 45 42 41 34 32 34 16  1  2  3
VSBY              4  2  3  7 10  8  5  5  5  9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                    100          20          20           5           5
RAIN              D  L  L     S           S  S                                 
MIX HGT          <1 <1  2  3 <1 <1 <1 <1 <1 <1  2  3 <1 <1 <1 <1 <1 <1  3  5 <1
T WIND DIR        N  E  N NE  N NW  N  E  E  E  E  E NE NE NE  N  N  N NW NW  S
T WIND SPD        0  5 11  5  0  2  2  5  8 11  9 10 12 10  8  8  2  4  8  2  3
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI               0  6 24 14  0  1  1  3  9 14 20 40  6  5  4  4  2  6 34 13  2
MAX LVORI        10  8  4  4  6  7  7  8  8  5  3  1  3  5  6  6  8  3  1  2  2
STABILITY         C  D  D  D  F  F  F  F  D  D  D  B  F  F  G  G  B  B  B  B  G
CEILING               200   100   300   400   500  None  None  None  None  None
STA PRES            29.14 29.13 29.24 29.30 29.38 29.35 29.34 29.30 29.33 29.30


Date          Sun 03/01/26Mon 03/02/26Tue 03/03/26Wed 03/04/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX TEMP       43      68      38      45      28      47      37      60
TEMP          49 43 68 56 46 38 42 39 34 29 44 43 40 39 57 54
DEWPT         41 40 42 37 35 32 30 26 25 24 30 32 34 36 43 39
RH            74 89 39 49 65 79 62 59 69 81 57 65 79 89 59 57
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL FW B1 OV OV OV OV OV OV B2 B2 OV OV OV B2
POP 12HR            0       0      30      60      40      50      40      30
FRZG RAIN                                 C  C               
RAIN                          C  L  L  C  C  C  C  C  C  C  S
SNOW                             L  L                        

$$


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