National Weather Service United States Department of Commerce

Showers and Storms in the East; Dangerously Hot and Dry in the West

A front will bring scattered showers and storms to portions of the Central and Eastern US. Severe storms are expected in parts of the Great Plains and Ozarks today. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Aug 6 2026

NCZ003-062000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
801 AM EDT Thu Aug 6 2026

Date             Thu 08/06/26            Fri 08/07/26            Sat 08/08/26
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                 83          67          84          67          85
TEMP                78 83 81 76 71 70 68 69 78 82 81 76 72 69 68 70 81 84 81 77
DEWPT               72 72 72 72 71 69 68 69 72 73 73 72 70 69 67 70 74 74 74 74
MAX/MIN RH                   68         100          71          98          72
RH                  82 70 74 87100 97100100 82 74 77 87 93100 97100 79 72 79 90
WIND DIR             S  S SW  W  N  N  N  N  S  S SW SW  N  N  N  N SW SW SW  N
WIND SPD             3  5  4  1  0  0  0  0  2  4  4  1  0  0  0  0  1  3  2  0
CLOUDS              SC B1 B2 B1 B2 SC SC B1 B1 B1 B2 SC SC FW FW SC SC B2 B2 SC
CLOUDS(%)           40 59 76 68 73 41 30 58 62 63 82 46 43 25 20 42 41 81 81 48
VSBY                10 10 10 10  8  8  7  7 10 10 10 10  9 10 10  7  7  6  6 10
POP 12HR                     60          40          70          10          70
RAIN SHWRS             SC SC SC IS             SC NM             IS IS NM NM   
TSTMS                  SC SC SC                SC SC                IS SC SC   
Obvis                                 PF PF                                    
MIX HGT              2  4  2 <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1 <1  3  4  2 <1
T WIND DIR          SW  S SW  S SW SE SW SW  W SW SW SW SW SW  W NW  W SW SW SW
T WIND SPD           5 11  8  4  1  3  8  6  4 10 16 12 10  4  2  2  6  6  9 12
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 18 56 24  2  1  2  4  7 12 46 51  6  5  2  1  2 27 31 25  6
MAX LVORI            3  3  3  6 10 10  9  8  4  3  3  5  6  9  8  9  3  3  3  6
STABILITY            A  A  B  F  F  F  G  B  B  B  C  F  F  G  G  A  A  B  B  F
CEILING              None  7600  3000  None  None  6700  None  None  None  3800
STA PRES            28.32 28.30 28.32 28.32 28.35 28.28 28.28 28.27 28.28 28.22


Date          Sun 08/09/26Mon 08/10/26Tue 08/11/26Wed 08/12/26
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       67      87      67      88      68      89      70      86
TEMP          69 70 86 80 70 70 86 81 71 71 87 82 72 72 83 79
DEWPT         69 69 72 74 68 68 71 74 69 69 72 73 69 70 73 73
RH           100 97 63 82 93 93 61 79 93 93 61 74 90 93 72 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 SC FW SC SC SC FW SC SC SC SC SC B1
POP 12HR            5      30      10      10       5      20       5      40
RAIN SHWRS             SC                      IS          SC
TSTMS                  SC                      IS          SC

$$


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