National Weather Service United States Department of Commerce

Snow and Extreme Cold Expected for Much of the Area

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
401 AM EST Sat Jan 31 2026

VAZ018-312100-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 AM EST Sat Jan 31 2026

Date             Sat 01/31/26            Sun 02/01/26            Mon 02/02/26
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                 20           5          23          10          35
TEMP             10 13 18 20 13  9  7  7  6 12 19 23 18 15 14 12 11 21 32 34 27
DEWPT             5  7 10 12  6  1  0 -1 -2  2  6  6  4  4  4  3  2  8 11 15 13
MAX/MIN RH                   66          75          47          68          41
RH               80 76 70 71 73 69 72 69 69 63 56 47 53 61 64 66 66 56 41 45 55
WIND DIR         NE NE NE  N  N NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W  W
WIND SPD          2  3  4  6  9 11 13 17 18 18 17 16 14 12  9  6  6  5  5  4  2
WIND GUST        12 13 14    21 28 34 36 42 41 37 37 35 34 32 28 23 19 17 17 14
CLOUDS           OV OV OV OV B2 B1 SC SC FW FW SC FW FW FW FW FW FW FW FW FW SC
CLOUDS(%)        89 90 92 91 87 63 43 31 25 25 27 20 17 13 14 14 14 14 25 22 28
VSBY              5  3  4  5  6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                     50          20           0           0           0
SNOWSHWRS        SC SC SC SC IS                                                
MIX HGT          <1  1  2  2 <1 <1 <1 <1 <1  2  2  2 <1 <1 <1 <1 <1  1  2  3 <1
T WIND DIR       NE NE  N  N  N NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W
T WIND SPD        9  6  8 16 18 24 28 28 20 31 31 31 20 19 18 12 10 12 13 12 12
DISPERSION                   PR FR FR GD             GD FR PR PR             VP
ADI               7 10 16 34 16 22 26 26 23 52 61 55 19 18 12  6 11 18 38 43  6
MAX LVORI         4  4  3  3  3  3  3  3  3  1  1  1  2  2  3  3  3  2  1  1  3
STABILITY         C  C  D  D  D  D  D  D  D  D  D  D  D  D  E  F  B  B  B  B  G
CEILING              2800  4100  7900  None  None  None  None  None  None  None
STA PRES            27.76 27.68 27.70 27.66 27.71 27.72 27.79 27.83 27.87 27.83


Date          Tue 02/03/26Wed 02/04/26Thu 02/05/26Fri 02/06/26
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       21      41      29      37      19      35      16      38
TEMP          22 21 39 34 30 29 36 30 25 19 34 25 19 17 36 33
DEWPT         15 15 25 23 24 23 27 22 17 10 16 12  7  6 18 20
RH            74 77 57 64 78 78 69 72 71 67 47 57 59 61 47 58
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC B1 B1
POP 12HR            0       5      50      50      40      20      10      30
RAIN                             C  C                        
SNOW                       C  C  C  C  C  C  S           S  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