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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 PM EDT Fri Apr 24 2026

NCZ005-250800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
901 PM EDT Fri Apr 24 2026

Date           04/24/26      Sat 04/25/26            Sun 04/26/26            Mon
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                 57          84          56          67          45
TEMP                67 62 58 61 78 84 82 71 64 62 59 57 60 64 66 61 52 49 46 48
DEWPT               48 49 49 51 54 52 54 58 60 61 59 57 56 52 50 47 45 44 43 42
MIN/MAX RH                   77          34         100          56          90
RH                  50 62 72 70 43 33 38 63 87 97100100 87 65 56 60 77 83 89 80
WIND DIR             N  N  W  W  W SW  W NW NW  W NW NE NE NE NE NE NE  N  N  N
WIND SPD             0  0  1  3  5  8  9  5  4  3  5  6 10 11 12 10  9  8  8  8
CLOUDS              SC FW FW SC FW B1 B1 OV OV B2 B2 B2 B2 B1 B1 SC SC SC SC FW
CLOUDS(%)           41 10  6 37 24 54 68 95 92 86 86 71 81 60 53 45 45 37 35 21
VSBY                10 10 10 10 10 10  9  8  6  6  6  6  6  7  7 10            
POP 12HR                      0          50          90          50          20
RAIN SHWRS                            SC  O  O  O  O SC SC SC SC IS IS IS IS   
TSTMS                                 IS IS          IS                        
MIX HGT             <1 <1 <1 <1  6  9  6 <1 <1 <1 <1  1  2  3  4 <1            
T WIND DIR           W SW SW SW SW SW SW  N  N  W NW  N NE NE  N NE            
T WIND SPD           3  3  3  3 11 13 14 17  6  2  5 16 18 13 13 21            
DISPERSION          VP VP VP             PR VP VP PR             FR PR PR PR   
ADI                  2  2  2  3 81 72 68 12  5  1  4 20 46 31 37 20            
MAX LVORI            2  3  3  3  1  1  1  2  5  8  9  5  4  3  1  2            
STABILITY            G  G  G  A  A  C  C  E  E  F  E  C  C  D  D  D            
CEILING                    None  None  5200  4600   200   600  None  None      
STA PRES                  29.06 29.05 28.98 29.05 29.09 29.22 29.27            


Date           04/27Tue 04/28/26Wed 04/29/26Thu 04/30/26Fri 05/01/26
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      45      72      54      80      53      76      50      73
TEMP          68 65 51 49 67 68 58 57 76 71 58 56 74 69 56 53 69 67
DEWPT         42 43 43 44 50 53 54 55 57 54 53 51 49 48 47 48 49 49
RH            39 45 74 83 54 59 86 93 52 55 83 83 41 47 72 83 49 52
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW B1 B2 SC SC B1 B1 B1 SC SC B1 SC B1 B1 B2
POP 12HR           10      10      40      20      40      30      30      40      60
RAIN SHWRS                SC SC IS IS SC SC SC SC IS SC SC SC SC NM
TSTMS                                    SC IS                     

$$


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