National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 PM EDT Thu Apr 2 2026

WVZ043-030800-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
802 PM EDT Thu Apr 2 2026

Date           04/02/26      Fri 04/03/26            Sat 04/04/26            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          76          57          78          53
TEMP                64 60 57 57 70 76 76 70 65 61 58 58 72 77 75 69 65 63 59 55
DEWPT               53 53 50 50 53 52 51 53 53 54 54 55 56 54 55 55 55 55 55 55
MIN/MAX RH                   77          42          90          45         100
RH                  67 78 77 77 55 43 42 55 65 78 86 90 57 45 50 61 70 75 87100
WIND DIR             S  S  S  S SW  W SW  S  S  S  S  S  S  S  S  S  S  S SW  W
WIND SPD             5  5  4  4  5  5  5  3  3  3  3  2  5  8  8  6  5  5  6  8
WIND GUST           17                                        18 17 16 16 17 19
CLOUDS              FW FW SC B1 FW B1 B2 B1 SC SC SC SC SC B2 B2 B1 B1 B2 B2 OV
CLOUDS(%)           17 24 48 59 14 52 79 69 44 34 32 33 33 71 71 55 55 87 87 90
VSBY                10 10  8  8 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0          20           5          60          80
RAIN SHWRS                            IS             IS IS NM NM SC SC  O  O NM
TSTMS                                                      IS IS IS IS    IS   
MIX HGT             <1 <1 <1 <1  4  6  5 <1 <1 <1 <1 <1  4  7  4 <1            
T WIND DIR           S  S  S  S SW SW SW SW  S  S  S  S SW  S  S  S            
T WIND SPD           9 20 18  5 12 11  9  8  4  3  2  2  6 10 16 13            
DISPERSION          PR PR VP             VP VP VP VP             PR PR PR PR   
ADI                  4  9  8  6 59 38 29  4  2  2  1  2 29 35 46  9            
MAX LVORI            3  4  4  4  1  1  2  2  3  4  6  6  2  1  1  3            
STABILITY            F  F  F  B  B  D  D  F  F  G  G  B  B  D  D  E            
CEILING              None  None  None  2700  None  None  None  3400  2600      
STA PRES            27.85 27.87 27.89 27.84 27.87 27.86 27.85 27.76            


Date           04/05Mon 04/06/26Tue 04/07/26Wed 04/08/26Thu 04/09/26
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       60      37      55      37      50      28      57      34      65
TEMP          56 53 43 38 52 49 41 38 48 44 32 30 54 51 39 35 63 58
DEWPT         46 35 33 30 27 26 30 31 24 20 22 23 21 23 23 27 30 33
RH            69 50 67 73 38 40 65 76 39 38 66 75 27 33 52 72 29 39
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 SC SC SC FW FW SC SC FW CL CL FW SC FW FW FW FW
POP 12HR           70       0       0       0       5       0       0       0       5
RAIN SHWRS    NM 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