Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EST Wed Feb 4 2026
NCZ001-042100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
431 AM EST Wed Feb 4 2026
Date Wed 02/04/26 Thu 02/05/26 Fri 02/06/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 37 21 29 19 33
TEMP 35 36 36 33 30 30 27 24 22 23 28 26 21 21 20 20 20 24 29 30 32
DEWPT 35 36 35 33 30 28 26 22 19 19 18 17 15 16 13 12 12 17 25 26 26
MAX/MIN RH 95 100 65 79 70
RH 100100 96100100 92 96 92 88 84 66 68 77 81 74 71 71 74 85 85 78
WIND DIR W SW S SW N N N N NW NW NW NW NW W W W W W W W W
WIND SPD 5 4 4 4 6 8 10 10 11 10 8 10 14 17 18 19 18 19 21 26 39
WIND GUST 36
CLOUDS B2 OV OV OV OV OV OV B2 SC SC FW SC B1 B1 SC FW SC SC B1 B2 B1
CLOUDS(%) 87 92 91 93 94 91 90 73 45 42 25 33 64 54 36 23 33 44 62 72 65
VSBY 4 5 3 3 2 3 1 1 1 7 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 80 50 5 0 40
RAIN C L
SNOW L C C S C C C
MIX HGT <1 <1 <1 <1 <1 <1 1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 1 2 1 <1
T WIND DIR NW SE E E E N N N NW NW NW NW NW NW NW NW W W W W NW
T WIND SPD 3 3 5 4 3 4 8 10 11 12 13 17 17 16 12 13 8 17 23 41 37
DISPERSION PR PR FR FR GD GD GD GD GD
ADI 4 4 6 5 2 4 7 9 9 10 24 23 15 14 11 12 9 27 46 65 34
MAX LVORI 9 9 6 7 9 6 8 6 5 4 3 3 4 4 4 3 3 3 4 4 3
STABILITY D D D D E D D D C C B C D D D D D D D D D
CEILING 300 300 300 200 None None None None None 2000
STA PRES 26.65 26.60 26.60 26.57 26.58 26.53 26.52 26.47 26.40 26.38
Date Sat 02/07/26Sun 02/08/26Mon 02/09/26Tue 02/10/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 18 27 15 35 25 41 30 46
TEMP 27 20 20 18 16 19 31 30 30 26 37 32 33 33 42 38
DEWPT 23 15 10 9 7 7 15 19 23 23 27 26 27 28 32 30
RH 85 81 64 67 67 59 51 63 75 88 67 78 78 82 67 73
WIND SPD 15> 15> 15> <15 15> <15 <15 <15
AVG CLOUDS B1 B1 FW FW FW SC B1 B1 B1 B1 B1 SC B1 B1 B1 B1
POP 12HR 30 0 0 5 5 5 5 5
SNOW C 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