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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri Jul 24 2026
NCZ003-242000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
301 AM EDT Fri Jul 24 2026
Date Fri 07/24/26 Sat 07/25/26 Sun 07/26/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 71 63 76 63 84
TEMP 65 65 68 70 71 68 67 67 65 65 69 73 76 74 68 65 64 65 76 81 83 78
DEWPT 63 63 64 66 67 67 67 67 65 65 67 67 67 67 67 64 63 65 68 68 69 69
MAX/MIN RH 88 100 73 100 61
RH 93 93 87 87 87 97100100100100 93 81 74 79 97 97 97100 76 65 63 74
WIND DIR NE NE NE E E NE NE NE NE NE E E E E N W W NW N NW NW SW
WIND SPD 5 5 6 4 3 3 2 2 3 3 4 4 2 2 0 1 2 3 2 3 2 1
CLOUDS B2 B2 B2 OV B2 B2 OV OV B2 B2 B2 B1 SC B1 B1 SC SC SC FW SC SC SC
CLOUDS(%) 84 77 86 88 85 85 91 97 79 81 82 53 38 66 53 48 40 31 21 35 31 29
VSBY 6 7 7 10 7 6 6 6 7 7 10 10 7 10 10 10 10 10 10 10 10 10
POP 12HR 50 80 40 10 10
RAIN SHWRS SC SC IS SC NM NM O SC IS IS
TSTMS SC IS IS
MIX HGT <1 <1 2 2 2 <1 <1 <1 <1 <1 2 2 3 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR NE NE E NE NE NE N N N N NE N NW E S W NW N N NW W N
T WIND SPD 9 10 9 8 9 8 8 5 5 5 6 5 3 2 2 2 2 2 10 6 4 3
DISPERSION PR VP VP VP VP VP VP VP VP VP
ADI 6 10 21 21 26 4 4 3 3 6 15 15 13 1 1 1 1 2 45 41 26 2
MAX LVORI 6 5 4 4 4 6 9 9 9 8 5 4 3 5 10 8 10 9 3 1 2 3
STABILITY E C C C B F F F F B C C A F F F G A A A A G
CEILING 600 600 600 500 500 2000 None None None None
STA PRES 29.08 29.04 29.04 29.01 29.01 28.94 28.93 28.91 28.89 28.82
Date Mon 07/27/26Tue 07/28/26Wed 07/29/26Thu 07/30/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 65 87 67 88 69 87 66 84
TEMP 67 67 84 80 70 69 85 81 72 70 84 80 68 67 82 78
DEWPT 67 67 70 71 69 69 73 72 70 70 70 69 65 65 67 68
RH 100100 63 74 97100 67 74 93100 63 69 90 93 61 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC SC SC SC SC FW FW B1 FW FW FW SC
POP 12HR 10 10 5 20 20 30 10 10
RAIN SHWRS IS IS SC
TSTMS IS IS SC
$$
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