National Weather Service United States Department of Commerce

Damaging Winds, Tornadoes, and Large Hail Possible Today

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