National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
732 AM EST Wed Jan 28 2026

NCZ003-282100-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
732 AM EST Wed Jan 28 2026

Date             Wed 01/28/26            Thu 01/29/26            Fri 01/30/26
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                 34          11          34          18          30
TEMP                23 31 34 28 21 17 13 11 21 29 34 25 22 20 19 19 23 27 29 26
DEWPT               13 15 15 13  9  6  5  4  8  9 11  9  9  9  9 10 12 14 16 17
MAX/MIN RH                   45          70          37          69          57
RH                  65 51 45 53 59 61 70 73 56 42 38 50 57 62 64 67 62 57 58 68
WIND DIR            NW  W  W  W  W NW NW NW NW  W  W NW  N NE NE NE  E  E  E NE
WIND SPD             3  5  6  8  5  5  5  3  4  4  3  2  2  3  3  4  3  3  4  5
CLOUDS              B1 FW FW FW FW FW FW FW SC SC SC SC SC B1 B2 B2 OV OV OV OV
CLOUDS(%)           56  8 11  6  6  9 14  6 30 47 37 26 44 65 78 86 96 99100100
VSBY                10 10 10 10 10 10 10 10 10 10 10                           
POP 12HR                      0           0           0           5          30
SNOW                                                                    C  C  C
MIX HGT              2  4  3 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  1  3  2 <1
T WIND DIR           W  W  W  W  W NW NW NW  W  W  W SW  W  N NE  E  E  S  E  E
T WIND SPD          10 12 16 12 10 16 14 13 12 11 11  2  1  1  1  4  6  3  3 10
DISPERSION                   PR PR PR PR             VP VP VP VP             PR
ADI                 28 55 60  8  5  7  7 14 30 39 42  1  1  1  1  4 11 10  7  9
MAX LVORI            3  1  1  2  3  3  3  3  2  1  1  2  3  3  4  3  2  2  3  3
STABILITY            B  B  B  E  F  F  F  B  B  B  B  G  F  F  F  C  C  C  D  D
CEILING              None  None  None  None  None  None  None  6400  8000  4300
STA PRES            29.14 29.04 29.05 29.11 29.17 29.10 29.12 29.11 29.13 29.06


Date          Sat 01/31/26Sun 02/01/26Mon 02/02/26Tue 02/03/26
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       16      19      11      23      11      33      14      37
TEMP          21 16 18 16 12 12 20 18 14 12 28 26 18 16 33 28
DEWPT         15  9  9  6  2  1  6  5  3  4 13 14 12 11 21 19
RH            77 73 67 64 63 60 54 56 61 70 53 60 77 80 61 68
WIND SPD          <15     <15     15>     15>     <15     <15     <15     <15
AVG CLOUDS    OV OV OV OV B2 B2 B1 SC FW SC SC SC SC SC SC SC
POP 12HR           60      60      40      10       5       5       5       5
SNOW           C  L  L  L  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