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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Mon Jun 22 2026
VAZ018-222000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM EDT Mon Jun 22 2026
Date Mon 06/22/26 Tue 06/23/26 Wed 06/24/26
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 87 65 80 57 85
TEMP 82 82 79 73 70 68 66 67 73 78 78 70 63 59 57 61 75 82 84 76
DEWPT 66 68 69 68 65 65 63 62 62 59 57 54 52 52 51 52 53 52 51 55
MAX/MIN RH 55 91 48 81 31
RH 58 63 72 84 84 90 90 84 68 52 48 57 67 78 80 72 46 35 32 48
WIND DIR SW SW W W W W NW NW NW NW NW NW NW NW NW NW N W W W
WIND SPD 6 6 5 4 4 4 6 9 9 9 9 6 3 2 1 1 1 2 3 1
WIND GUST 21 19 18 19 19 19 23 27 24 23 23 23 13
CLOUDS B1 B2 B2 B1 B1 B2 B1 B1 SC SC SC CL CL FW FW CL CL FW FW FW
CLOUDS(%) 62 72 87 68 66 73 55 51 50 44 27 3 2 13 6 5 5 16 16 9
VSBY 10 4 4 5 7 7 10 10 10 8 10 10 10 10 10 10
POP 12HR 80 50 5 0 0
RAIN SHWRS IS NM O SC IS IS
TSTMS IS NM O SC
MIX HGT 4 4 3 <1 <1 <1 <1 2 3 4 4 2 <1 <1 <1 <1 5 6 7 <1
T WIND DIR S W W W W W W W NW NW N N NW NW NW NW NW W W SW
T WIND SPD 12 25 21 16 5 3 4 12 19 17 19 23 8 4 3 2 2 3 4 2
DISPERSION VP VP VP PR PR VP VP VP VP
ADI 46 97 71 11 4 2 3 25 79 86102 10 4 2 2 3 14 26 37 1
MAX LVORI 1 1 3 4 5 6 6 4 1 1 1 2 3 4 5 3 2 2 1 2
STABILITY C C C E E E E C B B B F G G G A A A A G
CEILING 3100 3100 1100 None None None None None None None
STA PRES 27.70 27.68 27.72 27.71 27.76 27.80 27.86 27.87 27.88 27.84
Date Thu 06/25/26Fri 06/26/26Sat 06/27/26Sun 06/28/26
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 63 88 66 87 65 86 66 89
TEMP 64 67 87 77 68 69 84 77 68 69 83 77 69 70 86 79
DEWPT 53 55 61 64 62 63 65 64 62 63 66 66 63 64 66 67
RH 67 65 42 64 81 81 53 64 81 81 57 69 81 81 51 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC B1 SC B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1
POP 12HR 0 30 20 50 40 50 20 30
RAIN SHWRS SC IS SC SC SC SC SC SC IS IS SC SC
TSTMS SC IS IS SC SC SC 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