Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Wed Sep 9 2026
VAZ046-100800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
231 AM EDT Wed Sep 9 2026
Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 62 89 68 94 69
TEMP 63 64 79 86 88 79 73 71 69 69 84 92 92 81 76 73 70 69
DEWPT 58 60 64 63 63 62 62 61 61 63 67 67 67 67 67 68 68 68
MIN/MAX RH 88 44 79 42 98
RH 84 87 60 46 43 56 68 71 76 81 57 44 44 63 74 84 93 97
WIND DIR SW SW SW SW SW S S SW SW SW SW W W W SW W N NE
WIND SPD 5 5 8 9 9 6 8 9 9 8 9 10 10 6 4 3 3 4
WIND GUST 19 20
CLOUDS FW FW FW SC SC FW FW FW CL FW FW SC SC B1 B1 B1 SC B1
CLOUDS(%) 15 8 7 33 28 11 9 10 5 10 18 35 33 54 54 52 50 53
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 20 30
RAIN SHWRS IS SC SC IS IS
TSTMS IS IS
MIX HGT <1 <1 3 6 6 <1 <1 <1 <1 <1 3 6 7 <1 <1 <1 <1 <1
T WIND DIR SW SW SW SW SW S S SW SW SW W W W W NW W NE NE
T WIND SPD 3 3 11 9 10 5 8 8 8 12 19 20 18 10 6 2 2 10
DISPERSION PR PR PR PR PR PR VP VP VP
ADI 2 4 43 42 47 3 5 5 5 13 65 95 86 7 5 1 1 11
MAX LVORI 5 6 1 1 1 3 3 3 4 4 1 1 1 3 4 5 7 6
STABILITY F B B C C F E E E B C C C E E F F D
CEILING None None None None None None None None None
STA PRES 29.56 29.54 29.42 29.37 29.33 29.31 29.23 29.25 29.26
Date 09/11Sat 09/12/26Sun 09/13/26Mon 09/14/26Tue 09/15/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 86 66 83 67 86 68 90 67 90
TEMP 83 78 69 68 79 77 70 69 83 78 69 69 87 80 70 69 87 81
DEWPT 68 68 68 68 73 72 70 69 73 72 69 69 70 69 68 68 70 69
RH 61 71 97100 82 85100100 72 82100100 57 69 93 97 57 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B2 B2 B2 B2 B1 B2 B1 SC SC SC SC SC FW SC SC SC
POP 12HR 30 60 70 40 20 10 5 5 10
RAIN SHWRS SC NM SC SC NM SC IS
TSTMS IS IS IS SC 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
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