National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Fri Jan 2 2026

NCZ003-022100-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
631 AM EST Fri Jan 2 2026

Date             Fri 01/02/26            Sat 01/03/26            Sun 01/04/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN TEMP                 56          38          45          34          50
TEMP             33 46 55 55 47 44 42 40 41 41 43 45 41 39 37 34 35 40 48 50 41
DEWPT            30 35 36 36 37 36 37 37 37 39 39 39 38 37 35 33 30 28 26 25 24
MAX/MIN RH                   47          90          80          93          36
RH               89 65 49 49 68 73 82 89 85 92 86 79 89 92 92 96 82 62 42 37 50
WIND DIR         SW SW  W  W  W  N  N  N  N  E  E  E  N  N  N NW NW NW NW NW NW
WIND SPD          2  3  5  3  1  0  0  0  0  1  2  1  0  0  0  2  2  3  4  3  1
WIND GUST              16                                                      
CLOUDS           SC B1 B2 B2 B2 B2 OV OV OV OV OV OV B2 B1 B1 SC FW CL CL FW SC
CLOUDS(%)        47 68 78 86 72 83 98 98100100 99 91 83 69 55 37 18  5  4 13 45
VSBY             10 10 10 10 10 10  9  8  9  7  3  4  1  0  2  8 10 10 10 10 10
POP 12HR                      0          40          80           5           0
RAIN                                      L  D  L  C                           
MIX HGT          <1  1  3  2 <1 <1 <1 <1 <1  1  1  1  1  1 <1 <1 <1  2  3  3 <1
T WIND DIR        W  W  W  W NW NW  N NE NE  E  E  E  E  E  E  N NW NW NW NW NW
T WIND SPD        3 13 17  9  5  4  1  1  1  4  3  4  3  2  1  0  3  9 13 13  9
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI               4 25 58 23  3  2  1  1  1  6  6  7  2  1  1  0  4 25 46 52  4
MAX LVORI         5  3  1  2  3  4  6  6  6  5  4  4  7  7  8  8  5  2  1  1  2
STABILITY         B  B  C  C  F  F  F  F  D  D  C  C  F  F  F  G  B  B  C  B  F
CEILING             26900 15600 11800  9000  1400  1100   700  None  None  None
STA PRES            27.89 27.89 27.94 27.95 27.98 27.97 28.00 28.02 28.11 28.13


Date          Mon 01/05/26Tue 01/06/26Wed 01/07/26Thu 01/08/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX TEMP       29      48      33      58      43      64      44      60
TEMP          33 30 46 42 36 35 55 50 45 45 61 54 47 44 57 55
DEWPT         22 25 31 34 32 32 40 41 41 43 47 45 43 42 46 46
RH            63 81 55 73 85 89 57 71 86 93 60 71 86 93 67 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR            0       0       0       0       5      10      20      30
RAIN                                                  S  C  C

$$


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