Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri Apr 10 2026
NCZ003-102000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
301 AM EDT Fri Apr 10 2026
Date Fri 04/10/26 Sat 04/11/26 Sun 04/12/26
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 78 49 81 50 80
TEMP 42 43 64 74 77 69 57 54 52 53 72 79 78 70 62 56 52 53 64 76 79 73
DEWPT 29 32 35 39 39 42 41 38 39 42 51 51 51 53 50 49 48 48 53 53 50 49
MAX/MIN RH 26 70 36 87 37
RH 60 65 34 28 25 37 55 54 61 66 48 38 39 55 65 77 86 83 67 45 36 43
WIND DIR N NW S S S SW NW W NW NW NW NW NW N N N N E SE S S S
WIND SPD 0 1 1 2 2 1 1 1 2 2 2 3 2 1 1 0 0 1 2 4 5 2
WIND GUST 12
CLOUDS CL CL CL CL FW CL FW FW FW SC SC SC SC SC FW FW FW SC FW FW SC SC
CLOUDS(%) 0 0 0 0 6 5 9 13 6 36 31 30 30 27 18 20 24 34 23 21 29 27
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 10 5 0
MIX HGT <1 <1 2 6 7 <1 <1 <1 <1 <1 4 7 7 <1 <1 <1 <1 1 2 5 8 <1
T WIND DIR NW NW W W SW S W NW NW NW NW NW W S E E E E S SW SW SW
T WIND SPD 3 3 4 3 6 5 3 5 6 5 14 9 4 1 1 1 2 6 5 16 18 11
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 3 14 24 56 3 2 3 3 6 79 77 37 1 1 1 1 13 17 97168 5
MAX LVORI 3 3 2 2 1 2 2 3 3 3 1 1 1 3 4 4 6 4 3 1 1 2
STABILITY G A A A A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 28.41 28.34 28.35 28.34 28.38 28.34 28.38 28.39 28.44 28.36
Date Mon 04/13/26Tue 04/14/26Wed 04/15/26Thu 04/16/26
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 54 81 54 87 57 89 59 88
TEMP 60 57 78 74 59 58 84 78 64 61 86 82 65 62 86 79
DEWPT 48 49 51 50 49 49 54 55 53 52 55 52 52 53 53 53
RH 64 75 39 43 69 72 36 45 67 72 35 35 63 72 32 41
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 SC SC SC SC SC SC SC B1 SC B1 SC SC
POP 12HR 0 5 0 5 0 5 5 10
$$
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