Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
405 AM EDT Thu Jul 30 2026
VAZ046-302000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
405 AM EDT Thu Jul 30 2026
Date Thu 07/30/26 Fri 07/31/26 Sat 08/01/26
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 87 64 88 67 89
TEMP 64 68 79 85 86 79 72 69 66 69 81 86 86 80 72 69 67 70 82 87 85 79
DEWPT 59 61 59 58 59 61 60 59 57 59 63 61 60 63 64 64 63 65 68 66 67 68
MAX/MIN RH 40 76 42 87 50
RH 84 78 50 40 40 54 66 70 73 70 54 43 42 56 76 84 87 84 63 50 55 69
WIND DIR W NW NW NW N NE N N NW N NE SW SW S SE S S S S S S S
WIND SPD 3 3 3 4 3 2 3 3 3 2 2 3 3 2 2 2 2 1 5 9 9 9
WIND GUST 20
CLOUDS CL CL CL CL CL CL FW CL CL CL CL FW FW FW SC SC B1 SC B1 B1 B2 B2
CLOUDS(%) 2 2 2 4 5 1 6 3 2 2 3 23 25 19 28 43 54 48 58 65 78 71
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 0 0 0 0 5
RAIN SHWRS SC
TSTMS IS
MIX HGT <1 <1 5 7 8 <1 <1 <1 <1 <1 5 7 7 <1 <1 <1 <1 <1 4 7 6 1
T WIND DIR W NW NW NW NW N N NW NW NW W
T WIND SPD 3 8 9 9 8 2 3 3 3 2 1
DISPERSION VP VP VP VP VP VP VP VP VP PR
ADI 2 8 54 77 72 1 2 2 2 2 7 0 0 0 0 0 0 0 0 0 0 0
MAX LVORI 5 4 1 1 1 3 3 3 3 3 2 2 2 3 4 6 6 6 3 2 2 4
STABILITY G A A A A G G G G A A A A A A A A A A A A A
CEILING None None None None None None None None 11900 7100
STA PRES 29.19 29.18 29.26 29.29 29.29 0.0 0.0 0.0 0.0 0.0
Date Sun 08/02/26Mon 08/03/26Tue 08/04/26Wed 08/05/26
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 69 83 68 84 68 84 68 86
TEMP 73 71 79 76 71 70 82 77 70 70 81 78 71 70 83 79
DEWPT 68 69 73 73 71 70 76 74 70 70 74 74 71 70 75 74
RH 84 93 82 90100100 82 90100100 79 88100100 77 85
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR 30 70 60 60 40 50 30 50
RAIN SHWRS SC SC SC NM NM IS SC NM SC IS SC SC SC IS SC
TSTMS IS SC SC SC IS 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
Radar
Current Weather
Rivers & Lakes
Satellite
Forecast Maps
Hour by Hour Forecast
Tropical Weather
Graphical Hazards
Weather Briefing Page
Forecast Discussion
Text Products
Climate Plots
Submit A Storm Report
Fire Weather
Drought
Recreation Forecast
NOAA Weather Radio
Aviation
Follow us on X
Follow us on Facebook
Follow us on YouTube
RNK RSS Feed
