Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed May 27 2026
VAZ046-280800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 PM EDT Wed May 27 2026
Date 05/27/26 Thu 05/28/26 Fri 05/29/26 Sat
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 63 83 54 77 57
TEMP 70 67 64 67 76 81 80 74 65 60 55 58 69 75 77 72 64 60 57 61
DEWPT 68 66 64 65 65 63 63 62 57 53 51 50 51 53 54 57 55 54 52 54
MIN/MAX RH 98 54 87 44 83
RH 93 97100 93 69 54 56 66 75 78 86 75 53 46 45 59 73 81 83 78
WIND DIR SW W W N N N N N NE NE NE NE NE SW SW S SW SW W W
WIND SPD 5 4 4 3 6 5 5 4 5 4 4 3 3 2 3 3 3 4 4 4
CLOUDS B1 SC FW SC FW SC FW SC FW CL FW SC FW FW FW SC SC SC B1 SC
CLOUDS(%) 55 39 25 34 9 41 17 34 8 5 18 29 14 15 21 33 44 48 55 45
VSBY 7 4 1 5 10 10 10 10 10 10 6 10 10 10 10 10
POP 12HR 40 10 0 0 0
RAIN SHWRS SC
TSTMS IS
Obvis PF PF
MIX HGT <1 <1 <1 1 4 6 4 <1 <1 <1 <1 1 4 5 4 <1
T WIND DIR SW W N N N N N N NE NE N NE N W SW SW
T WIND SPD 4 4 2 11 12 10 9 14 8 4 3 9 0 8 9 10
DISPERSION PR VP VP VP PR VP VP VP VP VP VP
ADI 3 3 1 15 58 74 48 7 4 2 2 16 0 47 50 5
MAX LVORI 6 8 10 5 1 1 1 3 4 4 5 3 2 1 1 3
STABILITY E E F A A A B F F F F A A A A G
CEILING None None None None None None None None None
STA PRES 29.20 29.22 29.26 29.25 29.33 29.38 29.37 29.23
Date 05/30Sun 05/31/26Mon 06/01/26Tue 06/02/26Wed 06/03/26
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 79 53 73 54 76 55 74 53 74
TEMP 78 71 58 55 70 68 58 58 73 70 60 58 71 68 57 57 71 69
DEWPT 54 58 50 48 52 56 52 54 56 58 54 53 54 56 53 53 54 56
RH 43 63 75 77 53 65 80 86 55 66 81 83 55 65 86 86 55 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC FW SC SC SC B1 B1 SC B1 SC SC SC B1 SC SC
POP 12HR 0 5 5 10 30 20 20 30 30
RAIN SHWRS SC SC IS IS IS IS IS SC SC IS
TSTMS 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