
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
208 AM EST Sun Feb 1 2026
NCZ001-020900-
RAWS 310141
36.40N 81.29W Elev. 3009 ft
208 AM EST Sun Feb 1 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 3 17 7 32 19
TEMP 4 4 10 17 18 12 12 10 10 10 21 31 32 25 22 21 21 23
DEWPT -2 -2 2 6 6 4 3 2 2 1 8 0 2 5 14 16 18 19
MIN/MAX RH 79 56 70 42 87
RH 75 75 69 61 59 70 66 69 69 66 56 26 27 42 71 81 88 84
WIND DIR NW NW NW NW NW NW NW NW NW NW NW W W W W W W W
WIND SPD 26 26 23 20 17 16 14 11 11 9 5 5 6 5 5 5 5 5
WIND GUST 41 43 36 33 29 28 27 23
CLOUDS SC SC FW FW FW CL FW FW FW FW FW SC FW FW SC SC SC SC
CLOUDS(%) 41 30 15 9 9 4 19 13 12 12 10 26 25 20 26 37 44 46
VSBY 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 0 0 0 0
SNOW
MIX HGT <1 <1 1 2 1 <1 <1 <1 <1 <1 <1 2 2 <1 <1 <1 <1 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW W W W NW W W W
T WIND SPD 32 31 37 31 27 16 16 13 11 10 12 10 11 10 10 12 13 10
DISPERSION GD GD GD FR FR PR PR PR PR
ADI 29 34 54 53 43 14 14 9 8 8 13 32 36 5 5 6 9 11
MAX LVORI 3 3 1 1 1 2 3 3 3 3 2 1 1 3 4 4 5 4
STABILITY D D D D D D D E E C B B B F F F E B
CEILING None None None None None None None None
STA PRES 27.10 27.13 27.18 27.20 27.24 27.22 27.26 27.26
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 40 30 37 16 30 18 37 20 27
TEMP 39 33 33 32 36 31 25 18 29 25 20 23 36 35 31 21 27 22
DEWPT 26 27 31 30 31 26 20 13 12 12 12 15 23 26 24 17 11 9
RH 59 78 92 92 82 81 81 80 48 57 71 71 59 69 75 84 50 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 15> 15>
AVG CLOUDS B1 OV B2 B2 B2 B2 B1 SC FW FW FW SC B1 B1 B1 B1 SC FW
POP 12HR 10 60 30 20 5 0 20 20 0
RAIN L C C C
SNOW L S 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