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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
250 PM EDT Wed Jun 24 2026
VAZ024-250800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
250 PM EDT Wed Jun 24 2026
Date 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat
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 57 90 64 94 67
TEMP 82 74 66 63 60 65 80 87 90 83 71 67 65 69 87 93 91 82 73 70 68 71
DEWPT 52 59 52 51 51 55 59 59 60 63 61 60 60 63 65 65 66 68 68 67 67 68
MIN/MAX RH 82 37 85 39 96
RH 35 59 61 65 72 70 49 39 37 51 71 78 84 81 48 40 44 63 84 90 97 90
WIND DIR SW SE N N N N SW SW S S S N N N SW S S SW SW N N W
WIND SPD 3 1 0 0 0 0 2 4 4 2 1 0 0 0 2 4 4 2 1 0 0 1
CLOUDS CL CL FW FW B1 SC SC FW FW FW SC B1 B1 B1 FW B1 B1 B1 B1 B1 B2 B1
CLOUDS(%) 1 3 15 24 54 50 30 22 24 14 33 56 58 59 23 52 52 64 67 59 71 65
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 30 50
RAIN SHWRS SC SC SC SC IS IS IS
TSTMS SC SC SC
MIX HGT 6 <1 <1 <1 <1 <1 4 7 7 <1 <1 <1 <1 <1 5 7 4 <1
T WIND DIR W SE SE N N N SW SW SW S S SW W W SW SW S SW
T WIND SPD 4 1 2 2 2 0 9 10 11 12 4 3 2 1 6 8 12 13
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 34 1 1 1 1 0 48 84 96 6 2 2 1 1 40 38 49 6
MAX LVORI 1 3 3 3 3 4 1 1 1 2 3 4 5 5 1 1 1 3
STABILITY A G G G F A A A A G G F F A A C C F
CEILING None None None None None None 11600 None None 5000
STA PRES 28.54 28.56 28.54 28.58 28.53 28.53 28.57 28.58 28.53
Date 06/27Sun 06/28/26Mon 06/29/26Tue 06/30/26Wed 07/01/26
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 91 67 89 66 93 66 99 69 93
TEMP 88 82 69 71 88 82 69 71 90 85 70 71 96 90 73 74 89 84
DEWPT 70 70 69 70 72 71 68 69 69 68 65 67 68 69 66 68 68 69
RH 55 67100 97 59 69 97 93 50 57 84 87 40 50 79 82 50 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 SC B1 B1 B1 SC SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 60 30 50 20 20 5 5 10 10
RAIN SHWRS IS NM SC IS SC SC IS IS
TSTMS IS SC IS IS SC IS 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