National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
220 PM EST Wed Feb 25 2026

NCZ003-260900-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
220 PM EST Wed Feb 25 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                 42          55          40          56          38
TEMP          59 53 50 47 44 43 47 52 55 50 47 44 42 40 47 53 56 50 46 43 42 40
DEWPT         38 38 40 41 43 42 47 48 48 45 43 41 40 40 43 44 45 43 41 40 40 38
MIN/MAX RH                  100          77          98          67          94
RH            45 57 68 79 96 96100 86 77 83 86 89 93100 86 71 66 77 83 89 93 92
WIND DIR       W SW SW NW  N  E NW SE  N  N  N  N  N  N  E SE SE  N  N  N  N NW
WIND SPD       6  2  1  1  1  1  1  2  2  1  1  1  0  0  1  2  2  0  0  0  0  1
WIND GUST     20 13                                                            
CLOUDS        B2 B2 OV OV OV OV OV OV B1 B1 SC SC SC B1 SC B1 B1 SC SC SC SC B1
CLOUDS(%)     73 75 88 96 93 97 93 94 67 57 46 49 49 62 47 57 55 38 32 40 44 60
VSBY          10 10 10  7  4  3  4  7 10 10 10  7  7  7  7 10 10 10 10 10 10   
POP 12HR                     90          80          20          10          10
RAIN                       D  D  C        S  S  S  S                           
RAIN SHWRS          IS  O          IS                                          
MIX HGT        5  2  1 <1 <1 <1 <1  2  2 <1 <1 <1 <1 <1  2  4  5 <1            
T WIND DIR    SW  W  W  S SW  E  E NE NE NE NE  E  E  E SE SE SE  E            
T WIND SPD    23 23 12  4  1  5  5  2  4  3  3  2  2  4  6  6  5  6            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           71 10  6  2  1  4  7  7 10  2  2  1  1  4 15 25 23  3            
MAX LVORI      1  2  3  5  9  7  8  5  4  5  5  6  7  9  4  3  3  4            
STABILITY      D  F  F  F  F  C  C  C  C  F  F  F  F  C  A  C  C  G            
CEILING              6400   900  1700  1300  None  None  None  None  None      
STA PRES            27.98 27.97 27.95 27.97 28.07 28.13 28.21 28.17            


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       66      43      64      38      46      32      44      37      59
TEMP          63 55 46 45 63 54 44 39 43 43 37 33 41 41 40 39 56 53
DEWPT         41 41 39 37 40 39 36 34 34 34 31 29 30 32 33 36 44 42
RH            44 59 76 73 43 57 73 82 70 70 79 85 65 70 76 89 64 66
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC CL CL CL SC B1 B2 B2 OV OV OV OV OV OV OV OV OV B2
POP 12HR            0       0       5      30      50      40      40      40      40
RAIN                                C  C  C  C  C  C  C  C  C  C  C

$$


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