National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Tue Feb 24 2026

VAZ046-250900-
RAWS 441101
37.39N  78.80W Elev. 804 ft
401 PM EST Tue Feb 24 2026

Date           02/24/26      Wed 02/25/26            Thu 02/26/26            Fri
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                 36          56          44          53          41
TEMP             38 36 37 38 39 46 53 55 52 49 47 46 45 48 51 52 48 46 45 44 42
DEWPT            15 17 18 21 22 27 31 34 35 36 37 39 40 41 43 43 42 41 41 41 39
MIN/MAX RH                   52          42          83          73          89
RH               38 45 46 50 50 47 43 45 52 61 68 76 82 77 74 71 80 83 86 89 89
WIND DIR          S SW SW SW SW SW SW SW SW SW SW SW SW SW SE SE NE NE NE NE NE
WIND SPD          5 10 13 13 13 13 13 12  8  6  5  4  3  4  5  5  4  4  4  4  5
WIND GUST           23 27 28 27 28 28 25 19 18 16                              
CLOUDS           B2 B2 B2 OV B2 B2 B2 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%)        75 77 85 90 79 82 76 43 32 54 66 74 76 79 79 77 74 83 83 84 84
VSBY             10 10 10 10 10 10 10 10 10 10  7  7  6  6  3  3  6  6  7  7   
POP 12HR                     10          10          40          70          40
RAIN                                               C  C  L  L  C  C  C  C  C  S
MIX HGT          <1 <1 <1 <1 <1  2  4  4 <1 <1 <1 <1 <1  1  2  3 <1            
T WIND DIR        S  S SW SW SW SW SW  W SW SW  W  W SW  W SW SW  S            
T WIND SPD        6 10 16 20 19 24 24 25 14 10 10  6  3  6  6  9  3            
DISPERSION       PR FR FR FR             PR PR PR VP             VP VP VP VP   
ADI               5  9 14 19 21 48 67 95 10  7  7  5  3 13 18 26  2            
MAX LVORI         2  2  2  2  2  1  1  1  2  3  3  4  5  4  3  3  4            
STABILITY         E  D  D  D  D  D  D  C  E  E  E  E  C  C  C  C  E            
CEILING             12200  9200  3600  None  None  3000  8400  7600 35000      
STA PRES            29.21 29.10 29.08 29.07 29.17 29.26 29.34 29.31            


Date           02/27Sat 02/28/26Sun 03/01/26Mon 03/02/26Tue 03/03/26
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       53      38      63      41      64      35      45      34      50
TEMP          50 47 41 40 60 54 46 43 62 52 41 36 41 41 37 36 46 45
DEWPT         40 38 35 36 41 39 37 36 40 34 28 25 24 25 26 28 31 33
RH            68 71 79 85 49 57 71 76 44 50 59 64 50 52 64 72 55 62
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 FW SC SC CL CL FW FW SC B1 B1 B1 B1 B1 B2 B2 B1
POP 12HR           20      10       5       0       5      20      40      30      40
RAIN           S                                S  C     S  C  C  C
SNOW                                               C  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