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 Fri Apr 3 2026

NCZ005-040800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
802 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                 60          81          62          71          44
TEMP                68 65 63 62 73 79 80 75 70 68 65 63 67 69 68 64 57 52 47 45
DEWPT               58 60 60 61 61 60 60 59 60 60 59 60 63 61 56 51 42 39 37 35
MIN/MAX RH                   97          49          89          61          70
RH                  70 84 90 97 66 52 51 58 71 76 81 90 87 76 65 63 57 61 68 68
WIND DIR             S SW SW SW SW SW SW  S  S SW  S SW SW SW  W  W NW NW NW NW
WIND SPD             5  5  4  4  8 10 10  9 10 11 13 13 11 10  8  5  6  5  5  4
WIND GUST                                      21    24 21                     
CLOUDS              B1 SC SC SC B1 SC B1 B1 SC B1 B2 OV OV OV OV B1 SC SC FW FW
CLOUDS(%)           58 45 44 40 53 44 57 59 48 64 71100100 93 88 62 48 32 14 12
VSBY                10 10 10  9 10 10 10 10 10 10  9  7  7  7  7  7            
POP 12HR                      0          10          40         100          10
RAIN SHWRS                                     SC SC  O  O  O  O               
TSTMS                                                IS IS IS                  
MIX HGT             <1 <1 <1 <1  3  5  6 <1 <1 <1  1  2  2  2  3 <1            
T WIND DIR           S SW SW SW SW SW SW  S  S  S  S SW  S  W  W  W            
T WIND SPD           6  6  5 11 13 18 17  8 10 11 17 18 18 16 10 12            
DISPERSION          PR PR VP             PR FR FR FR             PR PR PR PR   
ADI                  5  5  4 12 32 76 56  7  9 10 15 31 36 32 24  8            
MAX LVORI            3  5  6  5  3  1  1  3  3  3  4  4  4  3  3  3            
STABILITY            E  E  E  B  D  C  D  D  D  D  D  D  D  D  D  E            
CEILING              None  None  None  None  None  2600  1400  1500  None      
STA PRES            29.51 29.50 29.51 29.40 29.36 29.30 29.27 29.23            


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       67      44      64      35      61      39      70      47      75
TEMP          64 60 49 46 61 56 42 37 59 55 43 40 66 63 52 50 72 68
DEWPT         33 34 35 35 28 24 24 23 24 28 32 35 42 43 46 47 49 47
RH            31 37 58 65 28 29 48 56 26 35 65 82 42 48 80 89 44 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW SC FW FW FW CL CL FW FW SC SC SC SC 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