Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Wed Mar 11 2026
NCZ001-120800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
131 AM EDT Wed Mar 11 2026
Date 03/10/26 Wed 03/11/26 Thu 03/12/26 Fri
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 56 72 35 40 27
TEMP 60 61 58 63 69 69 63 61 57 46 35 37 34 35 34 31 29 28 29
DEWPT 54 52 53 54 53 51 49 50 51 46 35 30 23 16 15 16 17 16 16
MIN/MAX RH 83 52 100 44 60
RH 81 72 83 72 57 53 60 67 80100100 75 64 45 45 53 60 60 58
WIND DIR SW SW W SW SW W SW SW W NW NW NW NW NW NW NW SW S S
WIND SPD 10 11 11 13 18 19 18 21 24 27 34 34 29 25 18 12 9 10 13
WIND GUST 20 21
CLOUDS OV OV B2 B1 SC B1 B1 B1 OV OV OV B2 SC FW CL CL CL FW FW
CLOUDS(%) 90 97 78 62 29 59 55 69 94 94 91 86 41 17 5 3 3 16 11
VSBY 10 10 10 10 10 10 10 10 9 8 8 10 10 10 10
POP 12HR 20 10 90 60 0
RAIN D L L
RAIN SHWRS SC SC O
MIX HGT <1 <1 <1 3 6 6 1 <1 2 <1 1 2 3 5 1
T WIND DIR W W W SW SW SW SW W W NW NW NW NW NW NW
T WIND SPD 2 4 3 9 26 28 11 20 17 23 26 28 27 19 13
DISPERSION FR FR GD GD GD GD GD FR PR FR
ADI 2 4 4 21 87 94 10 19 19 21 41 51 66 58 12
MAX LVORI 6 5 5 3 1 1 2 3 3 5 4 3 1 1 2
STABILITY D D D D D D D D D D D D D D D
CEILING 5200 8600 None 7500 300 10000 None None
STA PRES 26.74 26.71 26.63 26.61 26.63 26.72 26.77
Date 03/13Sat 03/14/26Sun 03/15/26Mon 03/16/26Tue 03/17/26
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 52 36 58 42 57 33 42 16 30
TEMP 46 46 41 37 54 51 45 44 53 56 53 37 33 28 21 17 26 25
DEWPT 19 26 29 31 33 35 35 39 45 46 48 37 24 15 8 6 5 6
RH 34 45 62 79 45 54 68 82 74 69 83100 69 58 56 61 40 44
WIND SPD 15> 15> <15 <15 15> 15> 15> 15> 15>
AVG CLOUDS FW FW FW FW FW SC FW FW B1 B2 B2 B2 B2 B2 SC SC B1 SC
POP 12HR 0 0 0 5 30 70 50 20 10
RAIN SHWRS IS SC SC NM SC SC
SNOWSHWRS 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