National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Mar 29 2026

VAZ024-300800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
801 PM EDT Sun Mar 29 2026

Date           03/29/26      Mon 03/30/26            Tue 03/31/26            Wed
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                 45          71          54          82          60
TEMP                50 47 46 48 60 68 71 67 62 59 56 55 70 80 81 75 68 66 63 61
DEWPT               26 28 34 39 44 49 50 50 49 50 50 51 55 56 56 55 55 55 55 56
MIN/MAX RH                   71          47          86          41          84
RH                  39 47 63 71 55 51 47 54 62 72 80 86 59 44 42 50 63 68 75 84
WIND DIR            SW SW SW SW SW SW SW SW SW SW SW SW SW SW  S  S SW SW SW SW
WIND SPD             3  3  3  2  5  6  5  3  3  2  2  2  5  8  8  4  4  4  3  3
WIND GUST                          17 16 13                18 20 17 17 14      
CLOUDS              SC B1 B1 B1 B1 B1 SC SC SC FW FW FW FW SC SC SC FW SC SC SC
CLOUDS(%)           50 56 51 69 55 63 50 39 30 20 17 18 16 43 40 40 25 27 35 50
VSBY                10 10 10  7  7  7  7 10 10 10 10 10 10  7  7 10 10 10 10   
POP 12HR                     10          40           5          20           5
RAIN SHWRS                   IS SC IS SC                   IS IS             SC
MIX HGT             <1 <1 <1 <1  3  4  3 <1 <1 <1 <1 <1  3  6  5  1            
T WIND DIR           S  S SW  S SW SW SW SW SW SW SW SW  W SW SW  S            
T WIND SPD           6  6  6  5 13 16 17 14 12 11  9  9 18 16 17  9            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  3  3  3  5 30 44 57  7  6  5  4 10 70111100  4            
MAX LVORI            2  2  3  3  1  1  1  2  3  3  4  5  1  1  1  2            
STABILITY            F  F  F  C  D  D  B  G  G  G  G  B  B  B  B  F            
CEILING              None  None  3200  None  None  None  None  None  None      
STA PRES            28.83 28.78 28.78 28.72 28.73 28.72 28.72 28.63            


Date           04/01Thu 04/02/26Fri 04/03/26Sat 04/04/26Sun 04/05/26
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       84      57      76      55      76      58      82      60      79
TEMP          84 74 63 58 75 69 58 56 73 69 60 59 80 74 63 61 76 73
DEWPT         58 58 57 57 58 56 55 55 59 57 56 56 60 58 57 57 58 54
RH            41 57 81 96 55 63 90 96 62 66 87 90 51 57 81 87 54 51
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR           70      50      40      30      50      20      50      30      50
RAIN SHWRS    SC NM SC IS SC SC SC IS SC SC IS    SC SC SC SC SC SC
TSTMS         IS SC IS                   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