Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EDT Mon Jun 15 2026
VAZ046-152000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
431 AM EDT Mon Jun 15 2026
Date Mon 06/15/26 Tue 06/16/26 Wed 06/17/26
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 83 55 81 61 89
TEMP 71 73 78 81 81 73 65 61 58 61 73 79 81 77 68 64 62 66 80 86 89 84
DEWPT 63 59 55 54 50 53 52 52 50 53 52 53 53 56 56 56 56 58 57 57 57 59
MAX/MIN RH 34 85 38 83 34
RH 76 62 45 39 34 49 63 72 75 75 48 41 38 48 65 75 81 75 45 37 34 43
WIND DIR W N NW W W NW N N N NE E S SW SE S SW W SW SW SW SW SW
WIND SPD 8 9 8 6 10 5 3 3 3 3 3 4 5 2 3 2 2 2 5 9 9 3
CLOUDS SC CL CL FW CL CL FW SC FW FW SC SC SC SC SC B1 B1 FW FW FW FW SC
CLOUDS(%) 37 4 0 12 0 1 16 37 8 15 30 40 48 30 41 60 68 23 9 22 22 29
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 10 0
MIX HGT <1 2 5 6 7 2 <1 <1 <1 1 5 6 7 <1 <1 <1 <1 <1 6 8 8 <1
T WIND DIR NW N NW NW NW NW NW NW N NE SW SW SW S S SW SW SW W W W SW
T WIND SPD 14 18 11 10 13 13 6 4 3 9 3 9 12 12 6 4 3 9 11 14 18 10
DISPERSION PR PR VP VP VP VP VP VP VP VP
ADI 10 52 65 73100 6 3 2 2 16 21 70107 6 3 2 2 9 85127149 5
MAX LVORI 4 1 1 1 1 2 3 3 4 3 2 1 1 2 3 4 5 4 1 1 1 2
STABILITY E B B B B F G G G A A A A G F F F A A B B G
CEILING None None None None None None None None None None
STA PRES 29.19 29.17 29.22 29.26 29.25 29.15 29.14 29.11 29.11 29.09
Date Thu 06/18/26Fri 06/19/26Sat 06/20/26Sun 06/21/26
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 68 95 70 84 61 84 60 88
TEMP 71 75 91 86 76 73 80 77 65 65 82 78 64 66 84 82
DEWPT 59 65 66 67 68 67 67 63 58 58 54 55 54 56 56 60
RH 66 71 44 53 76 81 65 62 78 78 38 45 70 70 38 47
WIND SPD <15 15> <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC B1 B1 B2 B1 SC FW FW CL CL FW FW FW
POP 12HR 0 20 50 60 20 0 0 5
RAIN SHWRS IS SC SC NM SC IS
TSTMS IS SC IS 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