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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Thu May 28 2026

NCZ005-290800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
431 PM EDT Thu May 28 2026

Date           05/28/26      Fri 05/29/26            Sat 05/30/26            Sun
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                 56          82          61          81          54
TEMP          85 77 66 62 57 59 70 79 81 76 67 65 63 65 76 80 79 73 64 59 54 56
DEWPT         60 59 55 54 52 53 54 55 55 58 58 59 59 59 55 51 52 53 50 49 48 49
MIN/MAX RH                   84          41          89          36          81
RH            43 54 68 75 83 80 57 44 41 54 73 81 87 81 48 36 39 49 60 69 80 77
WIND DIR       N  N  N NE NE NE  E  W SW SW SW SW  W NW NE NE NE  E NE  E NE  E
WIND SPD       8  4  4  3  3  3  3  2  4  2  3  3  3  3  5  6  6  5  9  5  5  5
CLOUDS        FW FW FW FW FW FW FW FW SC SC B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC
CLOUDS(%)     19 17 20 17 19  8 15 19 38 44 62 75 85 82 60 58 60 58 64 63 60 43
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           0           5           5
MIX HGT        7 <1 <1 <1 <1  1  3  5  5 <1 <1 <1 <1 <1  3  5  6 <1            
T WIND DIR     N  N  N NE NE  E NE  W SW SW SW SW NW  N NE NE NE  E            
T WIND SPD    12  9  8  8  5 12  2  3  8 11  3  3  2  9 11  9 10 18            
DISPERSION       VP VP VP VP             VP VP VP VP             PR PR PR PR   
ADI           91  4  4  4  3 21 10 20 48  5  2  2  1 11 49 55 70 12            
MAX LVORI      1  2  3  4  5  3  2  2  1  2  3  5  6  4  1  1  1  2            
STABILITY      B  F  F  G  G  A  A  A  A  F  F  F  F  A  A  B  B  E            
CEILING              None  None  None  None  4700  4400 22500 14500  4900      
STA PRES            29.28 29.34 29.35 29.20 29.15 29.12 29.15 29.14            


Date           05/31Mon 06/01/26Tue 06/02/26Wed 06/03/26Thu 06/04/26
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       76      56      80      56      79      54      78      53      80
TEMP          73 70 60 61 77 75 61 61 77 73 59 59 76 72 58 58 78 75
DEWPT         49 52 53 56 57 57 54 54 51 52 50 51 48 50 49 50 50 51
RH            43 53 78 84 50 54 78 78 40 48 72 75 37 46 72 75 37 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC B1 SC SC FW FW FW FW FW FW FW FW FW FW FW
POP 12HR            0      10      30      10      10       5       5       5      10
RAIN SHWRS                SC SC                                    
TSTMS                        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