Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 AM EDT Sat May 2 2026
NCZ001-022000-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
901 AM EDT Sat May 2 2026
Date Sat 05/02/26 Sun 05/03/26 Mon 05/04/26
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 47 31 54 41 65
TEMP 42 45 46 43 38 35 34 37 42 50 53 48 42 43 44 47 53 60 63 58
DEWPT 22 22 23 26 26 28 28 28 26 26 26 28 29 30 32 35 37 41 42 43
MAX/MIN RH 40 82 35 63 46
RH 44 40 40 51 62 75 78 70 53 39 35 46 60 60 62 63 54 49 46 57
WIND DIR NW NW NW NW NW NW NW NW NW W W W W W W W W W SW SW
WIND SPD 9 11 13 13 11 10 10 10 11 9 10 11 10 11 13 13 14 14 13 12
WIND GUST 26
CLOUDS B2 SC SC FW FW FW FW CL CL CL CL CL FW FW FW SC SC SC SC FW
CLOUDS(%) 78 50 28 18 18 7 6 5 3 3 2 4 14 18 22 34 31 40 40 21
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 0 5 20
RAIN SHWRS IS IS
TSTMS IS IS
MIX HGT 3 5 6 3 <1 <1 <1 2 3 4 4 <1 <1 <1 <1 <1 3 6 7 <1
T WIND DIR N NW NW NW NW NW NW NW NW W W W W W W W W W W SW
T WIND SPD 13 11 18 23 21 10 9 23 13 12 14 8 5 8 10 8 26 28 27 6
DISPERSION FR FR FR FR FR FR FR FR FR
ADI 41 47 82 31 15 7 6 50 46 62 66 5 4 5 9 6 86132129 6
MAX LVORI 1 1 1 1 2 3 4 1 1 1 1 2 3 3 3 3 1 1 1 3
STABILITY C C C D E E E B C B B E E E D C C C C D
CEILING None None None None None None None None None
STA PRES 26.54 26.60 26.65 26.70 26.65 26.67 26.65 26.64 26.59
Date Tue 05/05/26Wed 05/06/26Thu 05/07/26Fri 05/08/26
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 46 67 52 68 55 62 39 55
TEMP 50 51 66 62 55 54 63 63 59 57 58 52 44 41 52 50
DEWPT 42 42 40 42 45 48 51 50 52 53 52 42 36 33 34 35
RH 74 71 38 48 69 80 65 62 78 86 80 69 73 73 50 56
WIND SPD <15 15> <15 <15 <15 15> 15> 15>
AVG CLOUDS FW SC FW SC B1 B1 B2 B2 B1 B2 B2 B1 SC B1 SC SC
POP 12HR 5 5 20 40 80 80 30 10
RAIN SHWRS IS SC SC SC O O SC SC IS
TSTMS IS IS 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
