National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

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

VAZ046-260900-
RAWS 441101
37.39N  78.80W Elev. 804 ft
702 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                 44          49          39          51          38
TEMP                50 49 47 45 47 48 49 46 44 42 41 40 43 48 51 46 43 42 41 40
DEWPT               37 38 40 41 44 44 43 41 40 39 38 38 39 40 40 38 38 37 37 37
MIN/MAX RH                   93          73          93          66          91
RH                  61 66 76 86 89 86 80 83 86 89 89 92 86 74 66 73 82 82 85 89
WIND DIR            SW SW  W SW NW  N  E  E NE NE NE NE NE  E  E  E SE SE  W  W
WIND SPD             8  5  4  3  4  5  4  2  2  2  3  3  4  4  4  2  2  2  2  2
WIND GUST           19 16                                                      
CLOUDS              B1 B2 OV OV OV B2 B2 B2 SC B1 B1 B1 B1 B1 SC SC SC SC SC SC
CLOUDS(%)           57 84 91 95 88 87 73 71 44 52 66 68 64 53 45 31 30 36 46 46
VSBY                10 10 10  6  4  3  5 10  9  7  7  7  7 10 10 10 10 10 10 10
POP 12HR                     50          70          20          20          10
RAIN                       C  C  L              S  S  S  S                     
RAIN SHWRS                         SC                                          
MIX HGT             <1 <1 <1 <1 <1 <1  1 <1 <1 <1 <1 <1  1  3  4 <1            
T WIND DIR           W  W SW SW NW NE  N NE NE  E  E NE  E SE SE  E            
T WIND SPD           9 11 11 11  3  2  3  3  5  5  3  4  5  5  6  8            
DISPERSION          PR PR VP             VP VP VP VP             VP VP VP VP   
ADI                  8  8  8  9  4  3  5  2  3  3  2  4  8 14 30  4            
MAX LVORI            3  3  4  5  6  5  4  5  5  6  7  6  4  3  3  3            
STABILITY            D  E  E  C  D  D  D  F  F  F  F  C  D  D  B  G            
CEILING              9000  8300   200  1600  None   800  1100  None  None      
STA PRES            29.14 29.19 29.21 29.21 29.31 29.39 29.47 29.44            


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       65      42      61      34      40      29      43      36      56
TEMP          60 55 48 44 59 50 40 36 38 37 32 30 39 39 37 38 54 50
DEWPT         42 40 39 37 38 33 25 25 27 25 23 23 25 28 29 31 39 37
RH            51 57 71 76 45 52 55 64 64 61 69 75 57 64 72 76 57 61
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL FW FW SC B1 B2 OV OV OV OV B2 OV OV OV B2 B1 FW
POP 12HR            5       0       5      20      60      40      50      40      40
FRZG RAIN                                    C  C  C               
RAIN                                S  L  C  C     C  C  C  C  C  S
SNOW                                S  L  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