National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Tue Apr 14 2026

NCZ006-150800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
431 PM EDT Tue Apr 14 2026

Date           04/14/26      Wed 04/15/26            Thu 04/16/26            Fri
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                 62          92          65          91          65
TEMP          88 81 73 69 64 65 83 90 91 84 74 70 67 66 81 89 90 84 75 72 68 66
DEWPT         48 52 52 53 53 54 55 53 53 53 51 51 52 54 57 55 52 52 52 53 52 55
MIN/MAX RH                   72          27          67          27          66
RH            25 37 48 57 67 68 38 28 28 34 44 51 59 65 44 32 27 33 45 51 57 68
WIND DIR      SW SW SW SW SW SW  W SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W
WIND SPD       9  2  3  3  2  2  2  5  5  3  3  3  3  3  5  8  9  5  5  4  3  2
CLOUDS        SC FW FW FW FW CL FW FW SC SC SC SC SC SC SC SC SC FW FW SC SC SC
CLOUDS(%)     29 17  8 18 11  0 19  7 28 39 36 49 46 45 46 48 34 20 25 29 34 31
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           0           0           5
MIX HGT        7 <1 <1 <1 <1 <1  3  7  7 <1 <1 <1 <1 <1  3  6  8 <1            
T WIND DIR    SW SW SW SW SW SW  W SW SW SW SW SW SW SW  W SW SW SW            
T WIND SPD    13  5  6  5  4  3  6 10 13  5  5  6  5  6 10 13 18  8            
DISPERSION       VP VP VP VP             VP VP VP VP             PR PR VP VP   
ADI          105  3  3  3  2  3 28 88120  3  3  3  3  7 46 98149  4            
MAX LVORI      1  2  2  3  3  3  2  1  1  2  2  2  3  3  1  1  1  2            
STABILITY      B  G  G  G  G  A  A  A  A  G  G  F  F  A  A  B  B  F            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.43 29.42 29.45 29.39 29.39 29.37 29.38 29.29            


Date           04/17Sat 04/18/26Sun 04/19/26Mon 04/20/26Tue 04/21/26
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       90      60      95      61      81      43      69      40      71
TEMP          88 82 65 64 92 87 74 64 78 71 55 45 66 61 45 44 68 64
DEWPT         53 50 50 52 51 52 53 54 47 36 32 29 23 25 26 28 29 29
RH            30 33 58 65 25 30 48 70 33 28 41 53 19 25 47 53 23 27
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW SC SC B1 B1 B2 B2 SC FW FW CL FW CL FW FW
POP 12HR            5       5       0       5      40      20       5       0       0
RAIN SHWRS                            SC SC 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