
A winter storm with snow will continuing impacting primarily the southern portion of the region through Saturday night. Dangerously cold wind chills will conclude the event Saturday night and early Sunday. Click here for more details. Read More >
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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
203 PM EST Sat Jan 31 2026
WVZ043-010900-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
203 PM EST Sat Jan 31 2026
Date 01/31/26 Sun 02/01/26 Mon 02/02/26 Tue
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 2 15 3 28 18
TEMP 12 9 7 6 4 2 6 12 15 11 10 8 5 3 14 25 27 21 20 21 22 23
DEWPT 3 2 1 2 0 -2 1 4 5 5 4 4 3 2 7 9 11 12 15 18 20 21
MIN/MAX RH 84 62 96 47 93
RH 66 72 76 83 83 83 79 70 64 76 76 83 91 95 73 50 50 68 81 88 92 92
WIND DIR N N NW NW NW NW NW NW NW W W W W W W W W W W W W W
WIND SPD 9 9 9 9 10 10 11 13 11 6 5 5 4 3 4 5 5 4 4 4 5 5
WIND GUST 20 20 20 20 23 24 26 27 25 19 16
CLOUDS OV OV B2 B2 B2 B2 SC SC FW SC SC FW FW FW FW SC SC B1 B1 B2 B2 B2
CLOUDS(%) 90 89 73 75 82 72 46 48 20 37 26 25 23 21 18 33 27 55 61 74 85 85
VSBY 6 8 9 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 5 5
Obvis BS BS
MIX HGT 2 2 1 1 1 1 2 3 2 <1 <1 <1 <1 <1 1 2 3 <1
T WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW W W W W W
T WIND SPD 18 23 26 27 29 28 29 26 24 19 17 13 11 6 5 10 10 12
DISPERSION PR PR PR FR PR PR PR VP VP VP VP PR
ADI 37 26 30 31 27 41 78 77 69 9 8 6 5 7 9 32 40 8
MAX LVORI 1 3 3 3 3 3 3 1 1 3 4 4 6 6 3 1 1 3
STABILITY D D D D D D C C C F F F F B B B B E
CEILING 3300 1400 None None None None None None 2300
STA PRES 27.61 27.58 27.63 27.63 27.67 27.69 27.70 27.66
Date 02/03Wed 02/04/26Thu 02/05/26Fri 02/06/26Sat 02/07/26
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 36 25 29 13 26 15 35 18 24
TEMP 34 32 31 26 28 24 18 13 23 21 16 18 33 33 29 19 23 21
DEWPT 26 29 29 26 23 17 13 10 12 11 11 12 23 26 24 17 13 11
RH 72 88 92100 81 74 80 87 62 65 80 77 66 75 81 92 65 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 OV B2 B2 B1 B2 B1 SC SC B1 B1 B2 B2 B2 B1 B1
POP 12HR 20 70 40 20 5 10 40 50 10
RAIN S
SNOW S L L C C S C C C C
$$
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