
Severe thunderstorms today will be capable of producing damaging wind gusts, hail, and tornadoes. While the entire region will have a potential of severe weather, the highest potential will be east of the Blue Ridge. Read More >
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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
132 PM EDT Mon Mar 16 2026
NCZ003-162000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
132 PM EDT Mon Mar 16 2026
Date Mon 03/16/26 Tue 03/17/26 Wed 03/18/26
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 66 26 42 24 44
TEMP 60 52 43 35 31 28 26 33 39 41 36 30 27 26 27 33 40 43 40
DEWPT 57 46 32 21 16 13 13 13 11 9 9 10 9 10 11 12 13 16 18
MAX/MIN RH 61 84 27 50 32
RH 90 80 65 56 53 53 57 43 31 26 32 42 46 50 50 41 33 33 41
WIND DIR SW W W W W W W W W W NW NW N N SE S S S S
WIND SPD 12 13 20 18 14 12 10 10 11 12 10 6 5 3 2 3 4 4 3
WIND GUST 31 32 36 28 20 23 23
CLOUDS OV OV B2 FW FW FW FW CL FW FW FW SC B1 B1 SC SC SC SC SC
CLOUDS(%) 100 97 80 18 19 10 8 4 19 25 14 35 57 52 47 35 36 35 34
VSBY 6 3 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 90 20 5 0 0
RAIN SHWRS O O IS
TSTMS SC
MIX HGT 3 2 2 <1 4 4 3 5 7 7 1 1 1 <1 <1 3 4 3 <1
T WIND DIR S NW W NW NW NW NW W W W W W N E SE S S S S
T WIND SPD 23 18 13 28 29 21 18 17 17 20 16 3 6 1 4 9 12 16 8
DISPERSION GD GD GD FR FR PR PR VP VP
ADI 53 37 19 26 40 29 62 73 80 98 11 2 5 1 5 32 55 67 4
MAX LVORI 4 3 2 2 1 2 1 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY D D D D D D C C C C E F E F B B B B G
CEILING 400 None None None None None None None None
STA PRES 28.45 28.76 28.92 29.03 29.06 29.18 29.23 29.27 29.17
Date Thu 03/19/26Fri 03/20/26Sat 03/21/26Sun 03/22/26
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 28 58 39 67 45 73 50 75
TEMP 32 31 55 53 43 41 64 60 49 47 69 67 55 51 71 69
DEWPT 22 23 32 36 37 37 41 43 42 41 46 46 45 44 44 45
RH 66 72 41 52 79 85 43 53 77 79 44 47 69 77 38 42
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC FW FW SC B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 5 10 5 5 5 5 5
$$
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