National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 PM EST Mon Dec 29 2025

VAZ046-300900-
RAWS 441101
37.39N  78.80W Elev. 804 ft
931 PM EST Mon Dec 29 2025

Date           12/29/25      Tue 12/30/25            Wed 12/31/25            Thu
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                 24          38          25          46          30
TEMP                30 28 28 25 31 37 37 31 28 27 26 27 35 43 46 41 38 37 34 31
DEWPT               12 11 10 10 10  8  7  7  7  7  9 11 15 18 20 20 21 22 23 22
MIN/MAX RH                   52          28          51          34          70
RH                  46 48 46 52 41 29 28 36 40 42 48 50 43 36 35 42 50 54 64 69
WIND DIR             W  W  W  W  W  W  W  W  W  W  W SW SW  W  W  W  W  W  W  W
WIND SPD            13 10  8 11 11 12 11  8  8  8  9  9 11 12 11  8  9  9  9  8
WIND GUST           26 20    21 23 23 21 18 18 18 19 19 23 24 21 20 20 19 19   
CLOUDS              CL FW CL CL CL CL FW SC B1 B1 SC FW SC SC SC SC SC SC SC SC
CLOUDS(%)            4  6  3  4  4  3  7 28 55 56 26 17 27 36 48 45 44 34 35 44
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           0           0           0
MIX HGT              2  1 <1  1  4  4  4 <1 <1  2  1 <1  3  5  5  2            
T WIND DIR           W  W  W  W  W  W  W  W  W  W  W SW  W  W  W  W            
T WIND SPD          28 27 25 21 20 19 19  8 19 18  8  9 20 23 16  9            
DISPERSION          FR FR PR             PR PR PR PR             PR PR PR PR   
ADI                 32 19 17 30 55 57 56  5 18 21  5  9 51 68 48 10            
MAX LVORI            1  2  2  1  1  1  1  2  2  2  2  2  1  1  1  2            
STABILITY            D  E  E  D  D  D  D  E  D  D  E  C  D  D  D  D            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  29.24 29.31 29.28 29.30 29.23 29.19 29.10            


Date           01/01Fri 01/02/26Sat 01/03/26Sun 01/04/26Mon 01/05/26
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       44      25      49      35      48      28      47      28      50
TEMP          43 37 28 26 46 43 38 35 46 41 32 28 44 38 31 29 48 44
DEWPT         17 16 16 18 24 26 28 29 30 28 24 22 22 22 21 23 26 28
RH            35 42 60 71 42 51 67 78 53 59 72 78 41 52 66 78 42 53
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC FW SC B1 B1 B2 B2 B2 B1 SC FW SC B1 B1 B1 B1 SC
POP 12HR            0       0       0      20      40      20       0       5      10
RAIN                                S  C  C  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