National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1032 AM EDT Wed Apr 15 2026

NCZ003-152000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
1032 AM EDT Wed Apr 15 2026

Date             Wed 04/15/26            Thu 04/16/26            Fri 04/17/26
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                 86          60          86          62          86
TEMP                77 85 86 80 72 66 62 62 77 84 86 80 72 67 64 63 75 82 85 78
DEWPT               53 49 49 52 51 51 51 53 55 54 52 52 52 52 53 55 56 53 50 50
MAX/MIN RH                   27          73          32          76          29
RH                  43 29 28 38 48 58 67 72 47 36 31 38 49 59 67 75 52 37 30 37
WIND DIR            SW  S SW SW SW  W  W SW SW SW SW SW SW  W  W  W  W  W  W  W
WIND SPD             4  5  6  6  5  5  4  3  5  8 10  9  8  5  5  4  5  5  5  4
CLOUDS              FW FW FW SC SC B1 SC SC SC SC FW FW SC SC SC FW FW FW SC FW
CLOUDS(%)            8 11 20 30 44 63 38 39 40 26 22 19 27 34 42 19  9 15 29 16
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10  7  7 10 10 10 10 10
POP 12HR                      0           0           0          20          10
RAIN SHWRS                                                 IS IS               
MIX HGT              3  6  7 <1 <1 <1 <1 <1  4  6  7 <1 <1 <1 <1 <1  4  8  9 <1
T WIND DIR          NW SW SW SW SW SW  W SW  W SW SW SW SW NW  W NW NW NW  W  W
T WIND SPD           8 10 13  6  9  4  2  2 11 12 14  6  6  5  4  6 13 11 11  3
DISPERSION                   PR PR PR VP             PR PR PR PR             VP
ADI                 26 81104  3  6  3  1  2 58 88118  5  5  3  3  7 71109115  2
MAX LVORI            2  1  1  2  2  3  3  3  1  1  1  2  2  3  3  4  1  1  1  2
STABILITY            A  A  B  F  E  E  F  A  A  B  B  E  E  F  E  A  A  A  A  F
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  28.97 28.96 28.96 28.96 28.87 28.88 28.91 28.95 28.89


Date          Sat 04/18/26Sun 04/19/26Mon 04/20/26Tue 04/21/26
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       59      88      56      71      41      65      39      72
TEMP          62 62 86 82 68 61 69 65 49 43 61 58 43 43 68 66
DEWPT         49 50 52 53 53 49 40 32 27 23 20 20 24 27 31 33
RH            62 65 31 37 59 65 35 29 42 45 20 23 47 53 25 29
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC B1 B1 B1 B2 B2 FW CL CL CL CL FW FW SC
POP 12HR            0       5      20      40      10       0       0       0
RAIN SHWRS                IS IS SC 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