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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Jan 17 2026
NCZ003-172100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
701 AM EST Sat Jan 17 2026
Date Sat 01/17/26 Sun 01/18/26 Mon 01/19/26
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 49 26 36 18 41
TEMP 35 46 47 39 36 34 32 28 30 34 35 28 23 21 21 22 31 39 40 33
DEWPT 31 34 32 30 27 26 24 20 18 13 12 11 11 10 9 9 12 13 13 12
MAX/MIN RH 53 75 37 61 32
RH 85 63 56 70 69 72 72 71 60 41 38 48 59 62 59 57 45 34 33 41
WIND DIR S W W NW NW NW NW NW NW NW W NW W W W W W W W W
WIND SPD 2 3 2 1 2 2 2 3 4 4 4 1 1 2 2 2 5 6 6 2
WIND GUST 18 18 13
CLOUDS B2 SC SC B1 B2 B2 B2 OV B2 B1 FW FW CL FW FW FW FW FW FW FW
CLOUDS(%) 72 33 34 58 75 74 86 89 83 69 11 6 5 7 7 6 6 6 6 21
VSBY 10 10 10 10 10 9 6 10 10 10 10 10
POP 12HR 30 20 20 0 0
RAIN S
SNOW S S S
MIX HGT 2 4 4 <1 <1 <1 1 1 3 3 4 1 <1 <1 <1 <1 4 5 4 <1
T WIND DIR SW W W S S W W
T WIND SPD 8 17 11 2 2 2 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 16 82 51 1 1 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0
MAX LVORI 4 1 1 3 3 3 3 4 3 2 2 2 3 3 3 3 2 2 2 2
STABILITY C B B F F F F A A A A A A A A A A A A A
CEILING 2600 None 9800 3700 6300 None None None None None
STA PRES 28.10 28.13 28.14 28.10 28.07 0.0 0.0 0.0 0.0 0.0
Date Tue 01/20/26Wed 01/21/26Thu 01/22/26Fri 01/23/26
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 14 33 15 44 26 48 26 44
TEMP 22 15 30 26 18 17 41 36 31 29 45 39 31 27 41 37
DEWPT 7 -1 -6 -1 2 2 9 15 18 20 26 26 24 21 23 24
RH 52 48 20 30 49 51 26 42 58 69 47 59 75 78 48 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC CL CL CL CL FW SC B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 0 0 10 20 20 10
RAIN S S S
SNOW 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