
Severe thunderstorms on Monday will be capable of producing damaging wind gusts, hail, and tornadoes. While the entire region will have a potential, the highest potential will be east of the Blue Ridge. A lesser risk of severe storms will be possible Sunday afternoon and evening for far southwest VA and northwest NC. These storms will be capable of localized damaging winds or an isolated tornado. Read More >
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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
432 AM EDT Sun Mar 15 2026
VAZ024-152000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
432 AM EDT Sun Mar 15 2026
Date Sun 03/15/26 Mon 03/16/26 Tue 03/17/26
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 60 53 62 26 39
TEMP 44 42 50 55 57 57 56 57 58 59 61 59 48 45 36 30 28 27 32 37 37 34
DEWPT 30 30 35 41 45 49 53 55 57 58 60 57 42 32 22 15 13 12 13 11 8 8
MAX/MIN RH 53 96 58 84 30
RH 57 62 56 59 64 75 90 93 96 96 97 93 80 60 56 53 53 53 45 33 29 33
WIND DIR E E E SE SE E SE SE S S S SW W W W W W W W W W W
WIND SPD 1 1 3 5 4 2 2 4 5 9 11 16 14 17 13 11 10 9 12 13 12 6
WIND GUST 23 26 27 32 32 27 26 24 26 26 24 18
CLOUDS FW B1 B1 B2 B2 OV B2 OV OV B2 OV OV OV B2 B2 SC SC FW SC SC FW FW
CLOUDS(%) 19 56 67 70 76100 85100100 82 93100 99 75 72 32 35 24 42 38 23 8
VSBY 10 10 10 10 9 6 4 3 3 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 90 100 30 5
RAIN S D D C C
RAIN SHWRS SC NM O NM SC
SNOWSHWRS SC
TSTMS IS IS
Obvis PF PF
MIX HGT <1 <1 2 3 4 2 2 1 3 2 3 3 3 4 5 5 5 4 6 7 7 4
T WIND DIR E E E E E NE SE S S S S S NW W W NW NW W W W W NW
T WIND SPD 4 4 8 6 6 6 6 11 13 17 12 39 32 37 41 37 29 21 20 24 21 13
DISPERSION VP VP VP VP PR GD FR FR FR PR
ADI 2 4 20 16 19 8 3 10 19 37 31 96 79 51 56 25 20 82 93 84105 6
MAX LVORI 3 3 2 2 2 4 6 5 5 4 4 4 3 1 1 2 2 1 1 1 1 2
STABILITY G C C D D D F D D D D D D D D E E C C D C F
CEILING 3400 600 200 400 600 2300 18200 None None None
STA PRES 28.66 28.52 28.33 28.16 28.07 28.07 28.27 28.43 28.57 28.61
Date Wed 03/18/26Thu 03/19/26Fri 03/20/26Sat 03/21/26
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 20 45 27 60 36 67 44 66
TEMP 25 22 42 41 33 30 57 53 41 38 64 60 49 47 62 56
DEWPT 10 12 12 17 20 23 32 37 35 34 40 42 41 39 38 33
RH 52 65 29 37 58 75 38 54 79 85 41 51 74 74 41 42
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC B1 B1 SC B1 SC SC SC B1 B1 B1 B1 SC
POP 12HR 0 0 5 5 5 10 20 20
RAIN SHWRS IS IS 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