National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EDT Fri Jul 10 2026

VAZ024-102000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
631 AM EDT Fri Jul 10 2026

Date             Fri 07/10/26            Sat 07/11/26            Sun 07/12/26
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                 86          66          89          65          84
TEMP             72 83 84 81 77 73 71 69 70 83 88 85 78 71 68 66 68 77 82 84 78
DEWPT            69 70 69 70 71 69 68 68 70 72 71 72 71 70 68 66 68 70 69 68 67
MAX/MIN RH                   61         100          57         100          60
RH               90 65 61 69 82 87 90 97100 70 57 65 79 97100100100 79 65 59 69
WIND DIR          W  W  W  W SW  W  W  W  W NW  W  N  N  N  N  N NE  E  E  E  E
WIND SPD          2  5  5  6  2  3  1  1  1  2  3  3  1  1  1  1  2  2  4  4  2
WIND GUST                                                                    12
CLOUDS           B1 B2 B2 B2 B1 B1 B1 SC B1 B1 B2 B1 B1 B2 B1 B1 B2 B2 B2 B2 B2
CLOUDS(%)        52 76 76 75 51 56 53 45 51 58 73 64 65 75 69 67 72 71 76 75 70
VSBY              6 10 10 10 10  9  7  5  8  7  9  8  7  8  1  3  8 10 10 10 10
POP 12HR                     60          30          60          40          60
RAIN SHWRS             SC SC SC IS          IS NM SC SC SC SC SC SC SC NM NM IS
TSTMS                  SC IS IS                SC SC SC IS          IS SC SC IS
Obvis            PF                                                            
MIX HGT          <1  4  3  2 <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1 <1  2  3  2 <1
T WIND DIR       NW  W  W  W  W  W  W NW  N  W  W  W  N NE NW NW NE  E  E  E  E
T WIND SPD        3  8 12 17 11  3  3  2  2  1  3  2 12  1  3  3 11 14 10 10  6
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI               4 31 39 48  5  2  2  1  2  4 17  9  6  1  2  2 14 39 32 27  3
MAX LVORI         6  3  1  1  4  6  7  8  9  3  2  3  4  9 10 10  5  3  1  2  3
STABILITY         A  C  C  C  F  F  F  F  B  B  B  B  F  F  F  F  B  B  C  C  F
CEILING              5300  4500  None  None  None  3800  1300  2600  1600  4300
STA PRES            28.48 28.45 28.47 28.48  28.5 28.47 28.55 28.59 28.66 28.65


Date          Mon 07/13/26Tue 07/14/26Wed 07/15/26Thu 07/16/26
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       62      84      61      91      64      97      68      98
TEMP          66 66 82 78 65 65 88 82 67 69 94 88 72 72 95 88
DEWPT         65 65 63 64 61 63 63 66 63 65 66 68 66 68 66 67
RH            97 97 53 62 87 93 43 58 87 87 40 52 81 87 39 50
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 B1 SC FW SC FW FW FW FW FW FW FW FW FW
POP 12HR           20      10       5       5       5       5       5      10
RAIN SHWRS    IS                                             
TSTMS         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