Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 PM EST Wed Dec 31 2025
VAZ024-010900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
331 PM EST Wed Dec 31 2025
Date 12/31/25 Thu 01/01/26 Fri 01/02/26 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 32 45 27 51 32
TEMP 44 39 36 35 35 34 40 44 42 33 30 28 28 29 39 49 50 43 37 35 33 32
DEWPT 22 21 22 24 27 25 22 18 17 17 19 20 23 24 27 29 29 30 30 29 29 28
MIN/MAX RH 74 34 85 43 86
RH 41 48 56 64 72 69 48 35 36 51 63 71 81 81 62 46 44 60 75 78 85 85
WIND DIR W W SW SW SW W W W W W W SW SW W W W W W W NW NW N
WIND SPD 6 4 5 6 8 8 9 8 6 2 2 1 2 2 3 5 4 2 1 1 1 1
WIND GUST 20 20 21 24 27 28 28 21 18 12
CLOUDS SC FW FW FW FW SC SC FW FW FW FW SC SC SC SC SC B1 B2 B2 B2 B2 B2
CLOUDS(%) 38 22 12 17 22 26 26 14 21 15 24 27 28 31 29 46 62 72 74 80 82 87
VSBY 10 10 10 10 10 10 10 10 6 10 6 10 10 10 10 10 10 10
POP 12HR 10 0 0 0 5
RAIN C
MIX HGT 4 1 2 2 1 2 4 4 4 <1 <1 <1 <1 <1 3 4 3 <1
T WIND DIR W W W W W W NW NW W W W W W W W W SW SE
T WIND SPD 20 12 10 10 14 16 28 20 16 13 9 5 10 11 12 11 5 2
DISPERSION VP PR PR PR VP VP VP VP VP VP VP VP
ADI 80 6 5 5 10 38106 80 57 6 4 3 5 13 41 41 14 1
MAX LVORI 1 2 3 3 3 3 1 1 1 2 3 3 4 4 1 1 2 3
STABILITY C F F F E C C C C G G G G B B C D F
CEILING None None None None None None None 2600 15100
STA PRES 28.25 28.20 28.30 28.37 28.41 28.37 28.35 28.31
Date 01/03Sun 01/04/26Mon 01/05/26Tue 01/06/26Wed 01/07/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 45 29 50 26 48 31 55 38 58
TEMP 44 41 33 29 49 36 28 26 46 40 33 32 53 47 41 40 56 50
DEWPT 27 29 28 26 23 23 21 20 22 25 26 29 36 35 36 36 39 37
RH 51 62 82 88 36 59 75 78 38 55 75 88 52 63 82 85 53 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B2 SC FW FW SC B1 SC SC SC B1 B1 B2 B1 B1 B1 B1
POP 12HR 40 20 0 0 0 5 10 10 20
RAIN C C S S S
$$
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