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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EDT Sat Apr 25 2026

NCZ006-260800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
631 PM EDT Sat Apr 25 2026

Date           04/25/26      Sun 04/26/26            Mon 04/27/26            Tue
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 59          72          45          73          46
TEMP             64 61 61 60 59 63 69 71 64 54 49 46 48 61 70 73 67 56 50 46 49
DEWPT            61 61 61 60 56 57 52 50 46 46 45 44 43 43 42 43 43 43 43 43 44
MIN/MAX RH                  100          46          93          33          88
RH               90100100100 90 81 55 47 52 74 86 93 83 51 36 34 42 62 77 89 83
WIND DIR         NW  S  S NW NE NE NE NE NE NE NE  N NE NE  E  E  E  E SE SE  S
WIND SPD          3  2  1  2  8  9 10 10  6  5  3  3  4  5  5  5  2  2  2  2  1
WIND GUST                       19 20 20                                       
CLOUDS           OV OV B2 OV OV B2 B1 FW SC FW SC SC FW FW FW FW FW FW FW SC B2
CLOUDS(%)        96 98 85 93 94 83 61 23 31 22 30 30 24 16 15 10 14 11 23 46 74
VSBY              7  9  7  7  7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                     60          20           5           0           5
RAIN SHWRS       NM SC    IS IS                                              SC
MIX HGT          <1 <1 <1 <1  1  2  4  4 <1 <1 <1 <1  2  3  4  4 <1            
T WIND DIR        N NW  S  W  N NE  N NE NE NE  N  N NE NE  E  E  E            
T WIND SPD       10  2  1  2 11 17 17 17 18  8  3  4 12  6  4  4  3            
DISPERSION       VP VP VP VP             PR PR VP VP             VP VP VP VP   
ADI               5  1  1  1 21 47 83 88  8  4  2  2 25 29 25 26  2            
MAX LVORI         3  7  9 10  5  3  1  1  2  4  5  6  4  2  2  2  2            
STABILITY         F  F  F  F  C  C  B  B  F  F  G  G  A  A  A  A  G            
CEILING               400   400   900  None  None  None  None  None  None      
STA PRES            29.17 29.20 29.32 29.39 29.51 29.55 29.59 29.53            


Date           04/28Wed 04/29/26Thu 04/30/26Fri 05/01/26Sat 05/02/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       71      55      77      52      73      44      73      46      65
TEMP          69 68 57 57 73 71 58 54 70 66 48 49 70 65 53 48 63 60
DEWPT         49 53 54 56 62 59 53 48 40 37 38 39 38 41 42 43 41 40
RH            49 59 90 96 68 66 83 80 33 34 68 68 31 41 66 83 44 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 B1 B2 B2 B1 SC SC SC FW SC SC B1 B1 B1 B1 SC
POP 12HR           50      30      80      30      20      20      40      50      30
RAIN SHWRS    SC SC    SC NM  O SC IS IS IS    IS IS SC SC SC SC IS
TSTMS                        SC                                    

$$


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