Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Sun Jun 28 2026
VAZ046-290800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
131 AM EDT Sun Jun 28 2026
Date 06/27/26 Sun 06/28/26 Mon 06/29/26 Tue
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 68 86 68 88 67
TEMP 72 70 73 80 83 85 80 72 70 69 71 79 85 87 83 73 69 67 71
DEWPT 71 69 71 72 73 73 74 72 70 69 71 73 72 71 72 70 68 67 69
MIN/MAX RH 100 68 100 59 100
RH 97 97 93 77 72 67 82100100100100 82 65 59 70 90 97100 93
WIND DIR SW SW W W SW SW NE N N NE NE NE NE E E E E N N
WIND SPD 3 3 3 3 3 3 2 2 3 3 4 5 5 5 3 3 1 0 0
CLOUDS B1 B2 B2 B2 B2 SC SC FW FW B1 SC B1 SC FW FW FW FW SC SC
CLOUDS(%) 69 81 80 81 85 50 38 22 25 66 43 59 39 24 18 15 20 42 26
VSBY 6 4 7 10 10 10 8 7 3 3 8 10 10 10 10
POP 12HR 30 70 20 20 5
RAIN SHWRS IS SC NM SC IS
TSTMS IS SC SC IS
Obvis PF
MIX HGT <1 <1 <1 3 4 1 <1 <1 <1 <1 1 3 5 5 1
T WIND DIR SW SW W W W NE NE N N N E E E E SE
T WIND SPD 9 3 4 6 1 3 6 2 2 2 2 5 4 3 10
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 4 2 5 25 4 6 3 1 1 1 3 20 30 22 5
MAX LVORI 7 9 6 3 3 3 5 10 10 10 9 3 3 2 3
STABILITY F E B B C B F F F F C C A A G
CEILING 300 3500 3500 None None None None None
STA PRES 29.21 29.23 29.21 29.26 29.31 29.37 29.36
Date 06/30Wed 07/01/26Thu 07/02/26Fri 07/03/26Sat 07/04/26
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 92 70 98 73 101 76 99 75 100
TEMP 89 87 72 74 96 91 75 77100 94 77 78 98 89 76 79 99 88
DEWPT 70 70 67 68 69 69 67 67 67 68 67 68 65 66 68 69 66 67
RH 54 57 84 82 42 49 76 71 34 43 71 71 34 47 76 72 34 50
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW CL CL CL FW CL FW FW FW FW FW FW SC SC FW FW B1
POP 12HR 0 5 0 0 0 10 10 20 30
RAIN SHWRS IS SC
TSTMS 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