Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EDT Sat Sep 26 2026
VAZ024-270800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
701 PM EDT Sat Sep 26 2026
Date 09/26/26 Sun 09/27/26 Mon 09/28/26 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 52 77 57 77 57
TEMP 69 63 59 56 56 67 73 75 69 64 61 60 60 69 74 76 69 64 62 60 61
DEWPT 49 50 53 51 51 53 46 48 48 53 53 52 53 55 57 57 56 56 56 55 55
MIN/MAX RH 91 38 83 51 88
RH 49 62 80 83 83 61 38 38 47 67 75 75 78 61 55 52 63 75 81 84 81
WIND DIR NW W W W W NW NW NW W W W NW W NW NW NW NW NW N N N
WIND SPD 6 3 3 3 4 9 10 9 5 3 2 2 2 3 3 3 3 1 0 0 0
WIND GUST 19 18
CLOUDS CL SC SC SC SC SC SC SC SC SC B1 B1 SC B1 B1 B1 B1 B1 SC SC FW
CLOUDS(%) 4 34 49 49 37 33 36 43 46 34 64 52 45 57 56 64 63 60 43 26 17
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 5 0 0
MIX HGT <1 <1 <1 <1 <1 3 4 3 1 <1 <1 <1 <1 3 5 4 <1
T WIND DIR N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 8 6 4 5 6 17 21 23 12 11 13 6 6 8 8 9 11
DISPERSION PR VP VP VP PR VP VP VP VP VP VP VP
ADI 5 3 2 4 7 54 85 78 8 5 6 3 7 24 33 35 5
MAX LVORI 3 3 6 6 6 1 1 1 2 3 4 5 4 2 1 1 3
STABILITY E G F E B C C C E G F F B C C C F
CEILING None None None None None None None 3700 None
STA PRES 28.43 28.38 28.37 28.33 28.36 28.37 28.41 28.42
Date 09/29Wed 09/30/26Thu 10/01/26Fri 10/02/26Sat 10/03/26
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 82 57 85 59 87 63 85 63 78
TEMP 78 71 61 58 83 73 63 60 85 76 66 64 83 75 66 63 76 69
DEWPT 59 62 60 58 60 60 59 57 61 63 62 61 65 65 63 62 65 65
RH 52 73 97100 46 64 87 90 45 64 87 90 55 71 90 97 69 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2
POP 12HR 0 0 0 0 0 0 20 20 50
RAIN SHWRS IS IS 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