National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
732 PM EDT Fri Apr 3 2026

VAZ018-040800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
732 PM EDT Fri Apr 3 2026

Date           04/03/26      Sat 04/04/26            Sun 04/05/26            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                 59          80          57          66          39
TEMP             72 67 64 62 61 73 78 78 70 66 65 62 59 61 64 63 54 49 45 41 40
DEWPT            55 55 55 54 56 58 56 58 57 57 57 57 58 55 48 41 36 33 32 30 28
MIN/MAX RH                   82          46          96          44          65
RH               55 65 73 75 84 59 47 50 63 73 75 84 96 81 56 44 50 54 60 65 62
WIND DIR         SW SW SW SW SW  S  S  S SW  S SW SW  W  W  W  W NW NW NW NW NW
WIND SPD          5  5  5  5  3  4  9 11  6  6  6  8  9  9 10 10 10 10 10  9  6
WIND GUST           16 16       16 21 24 25 25 26 27 29 28 27 29 31 33 33 29 26
CLOUDS           B2 SC FW FW FW FW SC SC B1 SC B2 B2 OV OV B2 SC SC SC FW FW FW
CLOUDS(%)        74 40 19 12  8 14 43 43 58 48 86 86 92 92 81 47 36 30 15 14 10
VSBY             10 10 10  8 10 10 10 10 10 10 10  6  3  5  7  7  7            
POP 12HR                      5          20          80          90           0
RAIN SHWRS                            IS IS IS  O  O  O  O IS IS               
TSTMS                                 IS                                       
MIX HGT          <1 <1 <1 <1 <1  3  6  5  1 <1 <1 <1  2  2  3  4  2            
T WIND DIR       SW SW SW SW  W SW  S  S  S SW SW SW  W  W  W  W NW            
T WIND SPD       14  9  6  4  3  5 11 19 16 21 17 17 12 17 20 19 20            
DISPERSION       PR PR PR PR             PR PR PR PR             FR FR FR PR   
ADI              10  4  3  2  4 22 51 77 11 15 12 15 21 32 51 74 14            
MAX LVORI         2  3  3  4  5  2  1  1  2  3  4  4  5  3  1  1  2            
STABILITY         E  F  F  F  B  B  C  C  E  E  E  D  D  D  D  C  E            
CEILING              None  None  None  None  None  1000  1100  None  None      
STA PRES            28.00 27.98 27.96 27.87 27.82 27.74 27.77 27.74            


Date           04/06Tue 04/07/26Wed 04/08/26Thu 04/09/26Fri 04/10/26
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       62      39      56      30      58      36      68      45      74
TEMP          60 53 45 40 54 46 34 33 55 50 39 38 65 58 48 47 71 65
DEWPT         29 29 31 27 20 17 19 20 23 24 27 31 39 40 39 42 45 45
RH            31 39 58 59 26 31 54 58 29 36 62 76 38 51 71 83 39 48
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW CL CL FW FW SC SC FW FW FW FW FW SC SC
POP 12HR            0       0       0       0       0       0       5       5       5

$$


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