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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
601 PM EST Wed Jan 7 2026
NCZ003-080900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
601 PM EST Wed Jan 7 2026
Date 01/07/26 Thu 01/08/26 Fri 01/09/26 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 39 59 45 62 54
TEMP 56 47 43 41 39 49 58 59 51 49 46 47 48 52 59 62 60 57 56 55 55
DEWPT 31 37 36 34 32 37 38 39 40 40 42 44 47 52 55 57 56 55 55 55 55
MIN/MAX RH 77 46 98 83 100
RH 38 68 76 76 76 63 47 47 66 71 86 89 96100 87 84 87 93 96100100
WIND DIR NW NW NW NW NW N SE SE SE SE SE SE SE S S S SW SW S S S
WIND SPD 2 1 1 1 1 0 2 2 1 1 1 1 2 2 5 4 2 2 2 2 4
WIND GUST 14
CLOUDS SC SC SC SC SC SC B1 B2 OV B2 B2 OV OV OV OV OV OV OV OV OV OV
CLOUDS(%) 30 27 49 33 31 34 65 77 90 83 84 93 94 95 95 96 96 93 91 91 95
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 5 8 10 8 5
POP 12HR 0 0 20 50 80
RAIN SHWRS IS IS SC SC SC SC NM NM O O O
MIX HGT <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 <1 1 1 <1
T WIND DIR W NW NW NW N N SE SE E SE SE S S S S SW SW
T WIND SPD 3 4 5 5 5 2 4 3 2 5 5 6 4 3 4 4 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 2 2 3 3 6 4 12 9 1 3 3 3 4 4 7 7 1
MAX LVORI 2 3 4 4 4 3 2 2 3 3 5 6 8 9 5 4 6
STABILITY G G F G B B C C F F F F C C D D F
CEILING None None None 8900 1400 600 700 600 700
STA PRES 28.16 28.21 28.29 28.27 28.28 28.27 28.29 28.25
Date 01/10Sun 01/11/26Mon 01/12/26Tue 01/13/26Wed 01/14/26
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 64 40 46 23 46 26 51 30 50
TEMP 62 63 53 41 44 36 28 24 42 37 29 28 49 41 33 32 48 44
DEWPT 60 57 46 33 22 17 14 15 16 19 17 17 22 25 25 24 28 29
RH 93 81 77 73 41 45 55 68 34 48 60 63 34 52 72 72 46 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV B2 B1 SC FW FW FW FW FW FW FW FW SC B1 B1 B1
POP 12HR 90 50 10 10 0 0 0 10 10
RAIN SHWRS O O SC IS
TSTMS IS
$$
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