National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
402 AM EDT Wed Apr 1 2026

NCZ005-012000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
402 AM EDT Wed Apr 1 2026

Date             Wed 04/01/26            Thu 04/02/26            Fri 04/03/26
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                 84          61          83          60          80
TEMP          62 62 73 82 84 76 70 68 64 62 73 81 82 76 69 66 62 61 70 78 80 75
DEWPT         57 57 60 58 56 57 59 60 59 59 60 58 55 54 54 57 58 60 62 59 57 57
MAX/MIN RH                   39          89          40          97          45
RH            84 84 64 44 38 52 68 76 84 90 64 46 40 46 59 73 87 97 76 52 45 54
WIND DIR      SW SW SW SW SW  S SW SW  S SW SW  S  S  S  S  S  S  S SW SW  S  S
WIND SPD       9  8  9  9  9  5  6  6  6  5  8  9 10  5  8  9  6  5  8 10  9  4
CLOUDS        FW SC SC SC B1 B2 B1 SC FW FW SC FW FW FW FW FW SC B1 B1 B1 B1 B1
CLOUDS(%)     21 46 47 38 55 70 57 43 19 21 27 24 21 17 10 20 43 69 57 52 52 55
VSBY          10 10 10 10  8  8  8 10 10 10 10 10 10 10 10 10 10               
POP 12HR                     20          20          10           5          20
RAIN SHWRS                IS IS                                  IS IS IS IS   
TSTMS                     IS IS                                                
MIX HGT       <1 <1  2  6  6 <1 <1 <1 <1 <1  2  5  5 <1 <1 <1 <1  1  3  5  6 <1
T WIND DIR    SW SW SW SW SW  S  S  S  S SW SW SW  S  S  S  S  S SW SW SW SW  S
T WIND SPD     8  8 11 10 14  9  8  6  5 12 12 14 13 11  6  6 13 13 13 13 14 12
DISPERSION    PR             PR PR PR PR             PR PR PR PR             VP
ADI            5  8 28 46 51  6  5  5  3 14 37 63 59  5  5  5  9 21 32 44 48  8
MAX LVORI      5  4  2  1  1  2  3  4  5  5  1  1  1  2  3  3  5  5  3  1  1  2
STABILITY      E  B  C  C  D  E  E  E  F  B  B  C  C  F  E  E  E  D  D  D  D  E
CEILING              None  4900  None  None  None  None  None  None  None  None
STA PRES            29.45 29.38 29.42 29.46 29.55 29.50 29.53 29.56 29.60 29.52


Date          Sat 04/04/26Sun 04/05/26Mon 04/06/26Tue 04/07/26
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       61      82      61      73      43      65      41      68
TEMP          66 62 81 77 68 63 70 65 51 44 62 58 47 43 66 60
DEWPT         59 59 58 55 58 59 57 50 37 31 29 31 33 34 36 34
RH            78 90 46 47 70 87 63 58 59 60 28 36 58 70 33 37
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 SC SC B1 B2 OV B1 SC FW FW FW SC SC SC
POP 12HR           10      20      30      80      40       5       0       5
RAIN SHWRS             IS IS SC NM  O SC IS                  
TSTMS                           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