Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 AM EDT Thu Jun 25 2026
VAZ024-252000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
531 AM EDT Thu Jun 25 2026
Date Thu 06/25/26 Fri 06/26/26 Sat 06/27/26
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 90 64 94 66 89
TEMP 63 80 88 89 83 71 68 65 69 86 93 92 82 72 69 67 70 83 89 87 80
DEWPT 57 59 59 60 63 61 61 60 63 66 65 66 69 69 68 67 68 71 70 71 71
MAX/MIN RH 38 87 40 99 54
RH 81 49 38 38 51 71 78 84 81 51 40 43 65 90 97100 93 67 54 59 74
WIND DIR N SW SW SW S SW SW N N SW SW S S SW N N N W W W W
WIND SPD 0 2 4 4 2 1 1 0 0 2 3 4 1 1 0 0 0 3 5 5 2
WIND GUST 16
CLOUDS B2 SC FW SC SC SC B1 SC SC FW B1 B1 B2 B1 B1 B2 B2 B1 B2 B2 B1
CLOUDS(%) 72 29 17 27 37 45 52 49 28 23 65 56 71 69 66 80 74 67 82 82 52
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 6 10 10 10 10 10 10 10
POP 12HR 0 5 40 50 70
RAIN SHWRS SC SC SC SC SC SC NM NM SC
TSTMS SC IS SC SC SC
MIX HGT <1 5 7 6 <1 <1 <1 <1 <1 4 6 5 <1 <1 <1 <1 <1 3 3 2 <1
T WIND DIR N SW SW SW S S SW SW W W SW S S SW S S S W W W W
T WIND SPD 0 13 10 9 12 4 3 2 2 8 8 13 12 11 3 3 3 19 21 21 10
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 0 80 88 70 6 2 2 1 2 38 55 82 6 5 2 2 4 71 88 55 5
MAX LVORI 4 1 1 1 2 3 4 6 5 1 1 1 3 5 8 10 6 1 1 1 3
STABILITY B A A A G F F F A A B B F F F F B B B C F
CEILING None None None None None 8000 7500 13400 4300 7300
STA PRES 28.56 28.53 28.54 28.57 28.59 28.54 28.53 28.48 28.46 28.41
Date Sun 06/28/26Mon 06/29/26Tue 06/30/26Wed 07/01/26
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 66 91 66 93 67 98 69 99
TEMP 69 71 89 83 69 70 90 86 70 72 95 90 72 74 99 92
DEWPT 69 69 69 70 67 68 68 69 65 66 67 69 65 67 66 69
RH 100 93 52 65 93 93 49 57 84 81 40 50 79 79 34 47
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 SC SC SC FW FW FW FW FW FW FW FW FW
POP 12HR 30 50 20 20 0 5 5 5
RAIN SHWRS SC IS SC IS IS
TSTMS SC 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