EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
335 PM EST Wed Jan 21 2026

NCZ006-220900-
RAWS 310801
36.37N  79.29W Elev. 580 ft
335 PM EST Wed Jan 21 2026

Date           01/21/26      Thu 01/22/26            Fri 01/23/26            Sat
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                 33          57          31          48          20
TEMP          46 40 37 37 35 35 46 55 57 45 39 36 33 32 40 46 47 39 35 33 27 22
DEWPT         18 21 24 25 26 25 33 35 33 32 30 28 28 26 28 27 26 28 20 14 12 11
MIN/MAX RH                   69          40          81          43          63
RH            32 46 59 61 69 66 60 47 40 60 70 72 82 78 62 47 43 64 54 45 53 62
WIND DIR       S  S SW SW SW SW  W  W  W  W NW  N  N  N  N  N  N  N  N  N NE NE
WIND SPD      11  4  4  4  4  3  4  5  4  1  1  1  1  1  2  3  3  2  3  4  5  8
WIND GUST     21                                                               
CLOUDS        SC B1 B1 B2 B2 SC SC SC SC SC SC B1 B2 B2 B2 OV B2 B2 B2 B2 B2 B2
CLOUDS(%)     35 53 63 83 75 47 41 43 38 45 42 62 70 86 87 92 85 84 79 81 74 85
VSBY          10 10 10 10 10 10 10 10 10 10 10 10  9 10 10 10 10 10 10 10 10   
POP 12HR                      5          10          20          40          20
RAIN                                            S     C  C  C  C        S      
SNOW                                               S                    S  S  C
MIX HGT        3 <1 <1 <1 <1 <1  1  3  3 <1 <1 <1 <1 <1  1  2  3 <1            
T WIND DIR     S  S  S SW SW SW SW  W SW SW  W NW  N NE NE  N NW SW            
T WIND SPD    18  8  8  8  6  5  9  8  8  3  2  1  2  1  3  2  2  2            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP PR   
ADI           42  5  5  5  5  6 11 24 26  2  1  1  1  1  4  5  7  1            
MAX LVORI      1  2  3  3  3  3  2  2  2  3  3  4  5  4  3  2  2  3            
STABILITY      D  E  E  E  E  B  C  C  C  F  F  F  F  C  C  C  C  F            
CEILING             11000  5800  None  None  None 20400  5400  1600  4400      
STA PRES            29.64 29.58 29.58 29.54 29.59 29.61 29.65 29.63            


Date           01/24Sun 01/25/26Mon 01/26/26Tue 01/27/26Wed 01/28/26
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       27      15      27      16      32       4      32       9      37
TEMP          24 19 16 17 23 24 22 18 30 21 12  5 28 23 15 10 34 29
DEWPT         10 13 14 15 19 21 20 18 19 12  4  0 12 12  9  7 20 20
RH            54 77 92 92 84 88 92100 63 68 70 79 50 62 77 87 56 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV OV OV OV OV OV B2 B2 SC SC FW FW FW FW FW SC B1 B1
POP 12HR           80     100      90      60      10       5       5       0       5
SLEET                   S  D  D  L                                 
SNOW           C  D  D  D  S  S  L  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