Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Sun Jan 18 2026
NCZ003-190900-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
701 PM EST Sun Jan 18 2026
Date 01/18/26 Mon 01/19/26 Tue 01/20/26 Wed
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 23 42 18 35 18
TEMP 28 25 24 23 31 39 41 32 27 24 21 18 26 33 35 28 23 21 19 18
DEWPT 14 13 13 12 11 9 6 8 7 4 3 0 -3 -5 -1 2 2 2 4 3
MIN/MAX RH 63 23 47 19 52
RH 55 60 62 62 43 28 23 36 42 41 45 44 27 19 21 32 39 43 51 51
WIND DIR W W SW W W W W NW W NW NW NW W W W NW NW N W SW
WIND SPD 2 2 2 3 5 8 9 6 8 6 5 5 5 5 5 2 2 2 2 2
WIND GUST 16 20 20
CLOUDS CL FW CL CL CL CL CL CL FW FW SC FW CL CL CL CL CL FW FW FW
CLOUDS(%) 5 6 5 5 4 5 4 5 25 25 26 8 4 5 3 3 5 6 7 12
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 3 4 4 <1 1 1 <1 <1 3 5 5 <1
T WIND DIR W SW SW SW W W W W NW NW NW W W NW NW W
T WIND SPD 8 8 5 5 14 14 16 16 14 11 10 11 17 19 13 1
DISPERSION VP VP VP PR PR PR PR VP VP VP VP
ADI 4 4 3 4 45 54 60 11 10 5 5 12 53 78 55 1
MAX LVORI 2 3 3 3 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY F F F C C C C E E F F C C C C G
CEILING None None None None None None None None None
STA PRES 28.92 28.91 28.96 29.01 29.13 29.18 29.29 29.33
Date 01/21Thu 01/22/26Fri 01/23/26Sat 01/24/26Sun 01/25/26
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 41 27 48 22 43 27 42 25 36
TEMP 37 35 30 29 45 36 27 22 40 37 31 28 39 39 32 26 32 29
DEWPT 9 15 19 22 25 19 14 12 15 18 19 20 25 26 24 19 17 14
RH 31 43 63 75 45 50 57 65 36 46 61 71 57 59 72 74 53 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC B1 B2 B1 FW FW SC SC SC SC B1 B1 B2 B1 B1 B1 B1
POP 12HR 0 20 20 5 5 20 40 50 40
RAIN S C C C
SNOW S S C C C C 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