Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 AM EDT Tue May 26 2026
VAZ018-270800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1231 AM EDT Tue May 26 2026
Date 05/25/26 Tue 05/26/26 Wed 05/27/26 Thu
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 64 79 65 80 64
TEMP 66 65 66 71 76 76 70 68 67 66 68 74 77 77 71 67 66 65 67
DEWPT 63 63 64 69 71 70 67 66 64 63 64 69 69 69 66 64 62 61 62
MIN/MAX RH 97 78 92 71 90
RH 90 93 93 93 85 82 90 93 90 90 87 84 76 76 84 90 87 87 84
WIND DIR N N N S S SW SW W W W W W W W W W W NW NW
WIND SPD 0 0 0 1 1 1 1 1 1 2 3 5 5 4 3 3 3 4 5
WIND GUST 13 18 18 16 14 13 17 19 20
CLOUDS OV B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC
CLOUDS(%) 88 87 85 87 79 96 72 72 61 67 55 72 86 86 62 62 40 48 39
VSBY 2 1 1 6 9 10 7 3 6 7 10 9 6 6 9 5 2 2 5
POP 12HR 70 100 60 80 60
RAIN SHWRS SC SC SC NM NM O NM SC SC SC O O SC SC
TSTMS IS SC NM IS IS SC SC IS
MIX HGT <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 2
T WIND DIR SE SE S S S SE S S SW W W W W W W W NW W NW
T WIND SPD 1 3 2 4 8 9 10 5 8 5 13 21 18 14 11 5 10 3 6
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 1 2 2 9 27 28 5 3 4 3 14 60 59 39 5 3 5 2 14
MAX LVORI 6 7 6 6 4 4 6 6 6 6 4 4 3 3 5 6 6 6 4
STABILITY F F B B B B F F F F B B C C F F G E A
CEILING 0 100 1600 3300 3800 6900 2100 12600 None
STA PRES 27.87 27.89 27.84 27.82 27.82 27.81 27.77 27.76 27.75
Date 05/28Fri 05/29/26Sat 05/30/26Sun 05/31/26Mon 06/01/26
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 82 55 80 56 77 54 74 53 76
TEMP 81 70 58 60 77 71 59 60 75 66 57 57 71 66 56 57 73 67
DEWPT 61 57 51 52 54 56 50 51 54 55 50 49 53 54 49 50 52 53
RH 51 63 77 75 45 59 72 72 48 68 77 75 53 65 77 77 48 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC SC B1 B1 SC B1 B1 SC SC SC FW FW FW FW
POP 12HR 10 0 0 5 10 20 10 10 10
RAIN SHWRS 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