Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Thu Jul 16 2026
NCZ003-170800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
231 PM EDT Thu Jul 16 2026
Date 07/16/26 Fri 07/17/26 Sat 07/18/26 Sun
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 73 95 73 93 71
TEMP 95 89 78 75 73 75 86 91 93 89 78 76 73 75 87 91 88 83 76 73 71 73
DEWPT 66 68 67 66 65 67 69 69 68 69 69 69 68 70 71 71 72 71 71 71 69 71
MIN/MAX RH 77 42 84 51 95
RH 39 50 69 74 76 76 57 49 44 52 74 79 84 84 59 52 59 67 85 93 93 93
WIND DIR W W NW N N NE NE NE E E N N NW W SW SW SW SW SW W W W
WIND SPD 2 1 3 5 5 5 6 4 2 1 2 2 2 2 4 8 8 5 5 4 4 4
CLOUDS SC FW FW FW FW FW FW SC FW SC FW B1 FW FW FW B1 B1 B1 B1 SC SC SC
CLOUDS(%) 29 19 15 12 16 11 8 39 24 35 20 51 18 18 20 65 65 53 53 39 44 41
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 20 50 30
RAIN SHWRS IS SC SC SC SC IS
TSTMS IS SC SC SC IS
Obvis K K K K
MIX HGT 7 <1 <1 <1 <1 1 3 7 7 <1 <1 <1 <1 <1 4 7 5 <1
T WIND DIR W W W NW N N E SE SE N NW N W W SW SW SW SW
T WIND SPD 2 6 3 4 4 6 8 4 4 3 3 0 1 3 4 16 14 5
DISPERSION VP VP PR PR VP VP VP VP PR PR VP VP
ADI 19 3 2 2 2 9 33 37 37 2 2 0 1 3 25 76 62 4
MAX LVORI 2 2 3 3 4 4 1 1 1 2 3 4 6 5 2 1 1 3
STABILITY A G G F F A B A A G G F G A A C C E
CEILING None None None None None None None None 3200 None
STA PRES 28.91 28.93 28.97 29.00 28.95 28.95 28.92 28.90 28.79
Date 07/19Mon 07/20/26Tue 07/21/26Wed 07/22/26Thu 07/23/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 89 67 86 68 88 70 87 65 84
TEMP 87 81 70 69 84 80 71 70 86 82 73 72 85 80 68 66 81 78
DEWPT 71 71 69 69 70 70 70 70 71 70 70 70 69 66 65 64 64 64
RH 59 72 97100 63 72 97100 61 67 90 93 59 62 90 93 56 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 B1 SC SC SC SC SC SC B1 B1 SC B1 B1 SC SC SC SC
POP 12HR 70 30 20 20 30 30 30 20 10
RAIN SHWRS IS NM SC IS IS IS SC SC IS SC IS
TSTMS IS NM SC IS IS SC SC SC 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