National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Thu May 28 2026

NCZ003-282000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
1001 AM EDT Thu May 28 2026

Date             Thu 05/28/26            Fri 05/29/26            Sat 05/30/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 82          58          79          61          77
TEMP                78 81 82 75 66 61 58 61 70 75 78 74 68 63 62 63 71 75 76 68
DEWPT               66 61 59 58 56 53 52 53 56 58 60 61 60 57 55 57 55 54 55 56
MAX/MIN RH                   46          80          53          81          47
RH                  67 51 46 55 70 75 80 75 61 55 54 64 76 81 78 81 57 48 48 65
WIND DIR             N  N  N  N  N  N  N  E SE  S  S  S SW SW NW  N  N NE NE NE
WIND SPD             8  8  8  4  3  3  1  2  3  4  4  3  1  1  1  2  2  3  3  1
CLOUDS              FW FW FW FW FW FW SC SC SC SC SC SC B1 B1 B1 B2 B1 B1 B1 B1
CLOUDS(%)           18 10 14 24 24 23 27 30 33 35 43 50 58 65 68 70 61 56 60 59
VSBY                10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                      5           0           0           0           5
RAIN SHWRS                                                                     
MIX HGT              4  5  5 <1 <1 <1 <1  1  3  4  3 <1 <1 <1 <1 <1  3  5  3 <1
T WIND DIR           N  N  N  N  N  N  N  E  S SW SW  S SW  W NW  N  N  N  N NE
T WIND SPD          17 16 14 13  8  6  4 10  4  5  6 10  3  3  3  4  8  9  6  3
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 74 96 92  6  4  3  2 18 17 29 30  5  2  2  2  4 29 50 30  2
MAX LVORI            3  1  1  3  3  4  5  3  2  2  1  3  4  5  4  4  2  1  2  3
STABILITY            B  B  B  F  G  G  G  A  A  A  A  F  F  F  F  A  A  B  A  F
CEILING                    None  None  None  None  None  4900 21400 17800 16500
STA PRES                  28.10 28.15 28.18 28.17 28.06 28.02 27.95 27.96 27.96


Date          Sun 05/31/26Mon 06/01/26Tue 06/02/26Wed 06/03/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       51      72      54      77      53      75      52      75
TEMP          57 56 68 66 58 58 73 71 58 56 73 69 56 56 72 69
DEWPT         50 48 54 56 54 57 59 59 52 53 52 55 50 51 52 56
RH            77 74 61 70 86 96 62 66 80 90 48 61 80 83 49 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC B1 B1 SC B1 B1 SC FW FW FW FW FW FW FW
POP 12HR           10       5      20      40      20      20      10      10
RAIN SHWRS                   IS SC SC IS       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