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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EDT Thu May 28 2026
NCZ003-290800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
701 PM EDT Thu May 28 2026
Date 05/28/26 Fri 05/29/26 Sat 05/30/26 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 53 80 56 79 51
TEMP 74 63 58 54 57 69 76 79 75 65 62 59 61 73 77 78 73 63 57 52 54
DEWPT 59 54 52 49 52 56 59 60 62 60 57 54 56 56 55 56 58 54 49 46 48
MIN/MAX RH 82 52 89 45 82
RH 59 72 80 83 83 63 56 52 64 84 84 83 84 55 47 47 59 72 75 80 80
WIND DIR N N N N N SE S S S N N NW NW N NE NE N E E E E
WIND SPD 3 2 2 1 0 1 3 4 1 0 0 1 1 2 2 3 0 3 2 1 1
WIND GUST 13 13
CLOUDS FW FW FW FW FW FW SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B1 B1 SC
CLOUDS(%) 8 19 17 19 10 20 39 65 57 72 78 79 83 68 63 64 69 78 62 53 44
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 10 10 5
MIX HGT <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 2 5 4 <1
T WIND DIR N N N N E S SW SW SW W NW N N NE N N E
T WIND SPD 13 8 6 3 9 3 4 9 9 3 3 5 9 10 9 8 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 6 4 3 2 11 13 23 32 4 2 2 3 10 32 55 44 3
MAX LVORI 3 4 4 5 4 2 2 1 3 5 6 5 4 1 1 1 3
STABILITY G G G G A A A C F F F F B A A A F
CEILING None None None None 5300 3900 16300 25100 6100
STA PRES 28.16 28.19 28.19 28.08 28.03 27.98 28.01 28.00
Date 05/31Mon 06/01/26Tue 06/02/26Wed 06/03/26Thu 06/04/26
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 72 53 79 52 77 51 76 50 77
TEMP 69 67 57 58 75 72 58 58 75 71 56 56 74 69 55 56 75 71
DEWPT 54 57 53 56 59 59 51 52 52 55 48 49 51 54 48 49 53 56
RH 59 70 86 93 58 64 77 80 45 57 74 77 44 59 77 77 46 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B1 SC FW FW FW FW FW CL FW FW FW FW FW FW
POP 12HR 0 20 40 10 10 5 10 5 5
RAIN SHWRS IS 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