National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 PM EST Sat Dec 27 2025

VAZ018-280900-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
1001 PM EST Sat Dec 27 2025

Date           12/27/25      Sun 12/28/25            Mon 12/29/25            Tue
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07

MIN/MAX TEMP                 36          52          48          56          21
TEMP                   38 37 39 43 49 52 48 49 51 55 54 50 47 38 29 26 24 23 22
DEWPT                  36 35 36 37 41 43 43 45 48 49 48 41 27 19 13 11 10 10  8
MIN/MAX RH                   94          71          99          44          58
RH                     92 92 89 79 74 71 83 86 89 80 80 71 45 46 51 52 54 57 54
WIND DIR                S  S  S  S  S  S  S SW SW SW  W  W  W  W  W  W  W  W NW
WIND SPD                5  6  4  4  5  6  4  6  8  9 13 14 14 14 17 19 20 21 21
WIND GUST                                   18 23 33 39 43 43 44 49 52 54 56 56
CLOUDS                 B1 B1 OV OV OV B2 B2 B2 B1 B2 B1 B1 FW SC B1 B1 B1 B1 SC
CLOUDS(%)              58 69 88 89 90 75 79 72 63 82 69 63 11 31 54 55 62 52 47
VSBY                    9  7  8  9  9 10 10  8  9  8 10 10 10 10 10            
POP 12HR                      5          10          40          50          10
RAIN                                            C  C  C  C                     
MIX HGT                <1 <1 <1 <1  1 <1 <1 <1  1  2  2  3  5  5  4            
T WIND DIR             SE  S  S  S  S  S  S  S SW SW SW  W  W  W  W            
T WIND SPD              5  5  6  6  5  6  8  6  8  9 12 35 39 41 44            
DISPERSION             PR PR             VP PR PR PR             GD GD GD GD   
ADI                     3  3  5  5  8  7  4  5  5 10 27 91115124 60            
MAX LVORI               6  6  5  4  3  3  5  9  6  4  3  1  1  1  1            
STABILITY               F  F  C  C  C  C  F  E  E  D  D  D  D  D  D            
CEILING                       0     0   600   500   800  None  None  1800      
STA PRES                  27.83 27.81 27.69 27.57 27.42 27.41 27.45            


Date           12/30Wed 12/31/25Thu 01/01/26Fri 01/02/26Sat 01/03/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MAX/MIN TEMP       31      22      41      29      43      24      39      25      45
TEMP          28 24 23 23 38 33 31 30 40 31 27 25 37 30 27 26 43 37
DEWPT          9  6  6  7 12 14 17 17 19 18 15 13 12 12 12 14 21 23
RH            44 45 47 50 34 45 56 58 42 58 60 60 35 46 53 60 41 56
WIND SPD          15>     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW SC B1 B1 B1 B1 SC B1 SC SC B1 B1 B1 B1 B1
POP 12HR            5       0       0      20      10      10       0      20      30
RAIN                                                           C  C
SNOW                                S                       S      

$$


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