
A significant winter storm will likely impact our area this weekend. The winter storm will be followed by very cold temperatures early next week. Read More >
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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Thu Jan 22 2026
NCZ006-222100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
701 AM EST Thu Jan 22 2026
Date Thu 01/22/26 Fri 01/23/26 Sat 01/24/26
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 57 31 50 21 27
TEMP 47 56 57 45 38 35 32 32 40 48 49 42 35 31 26 22 23 26 25 21
DEWPT 31 33 30 28 27 25 24 23 23 22 21 21 14 8 6 5 0 0 4 9
MAX/MIN RH 35 71 33 47 32
RH 53 42 35 51 64 66 72 69 50 35 33 43 41 37 42 47 36 32 40 59
WIND DIR W W W W N N N N N NW NW N N N NE NE NE NE NE NE
WIND SPD 4 5 3 1 0 0 1 1 2 3 4 2 4 5 6 8 8 8 6 5
CLOUDS FW SC SC SC SC SC B1 OV OV B2 B2 B1 B2 B2 B1 B2 B2 OV OV OV
CLOUDS(%) 20 44 50 43 26 46 59 88 92 77 75 66 71 76 65 75 77 88 94 95
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 6 3 2
POP 12HR 5 20 30 10 70
RAIN C C S S
SLEET S
SNOW C S C L
MIX HGT 1 3 3 <1 <1 <1 <1 <1 1 2 3 <1 1 1 2 2 2 3 3 2
T WIND DIR W W W SW W W NW N N NW NW NW N N N NE NE NE NE NE
T WIND SPD 11 9 9 2 2 2 2 2 2 3 4 4 17 13 19 20 18 13 13 14
DISPERSION VP VP VP VP VP VP PR PR PR
ADI 19 31 34 1 1 1 1 2 3 8 11 2 12 9 13 41 40 32 31 10
MAX LVORI 2 1 1 2 3 3 3 3 2 2 2 2 2 2 2 1 1 1 1 2
STABILITY C C B F G F F C C C D F E E E D D D D E
CEILING None None None 6300 3500 3800 7300 14200 15000 9700
STA PRES 29.58 29.54 29.56 29.55 29.59 29.55 29.67 29.80 29.93 29.88
Date Sun 01/25/26Mon 01/26/26Tue 01/27/26Wed 01/28/26
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 16 27 21 32 5 33 12 38
TEMP 18 17 23 26 26 22 30 20 11 8 29 22 15 14 35 28
DEWPT 14 16 22 23 23 20 22 10 3 2 14 14 11 10 22 21
RH 84 96 96 88 88 92 72 64 69 76 53 71 84 84 59 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV OV B2 B1 SC FW FW FW FW FW SC B1 B1 B1
POP 12HR 100 100 60 10 0 0 0 5
FRZG RAIN D D D L
SLEET D D D C
SNOW D D L 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