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
931 PM EST Sat Jan 31 2026

NCZ001-010900-
RAWS 310141
36.40N  81.29W Elev. 3009 ft
931 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                  4          17           7          31          19
TEMP                 7  5  4  4  8 14 17 14 12 11  9  8 20 29 30 23 21 20 23 22
DEWPT                1 -1 -1 -2  2  4  5  4  3  2  2  1  7 10 13 14 15 17 19 19
MIN/MAX RH                   79          58          76          44          88
RH                  76 76 79 75 76 64 58 64 66 66 72 72 56 44 49 68 77 88 84 88
WIND DIR            NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W
WIND SPD            21 23 25 25 23 20 17 16 14 12 10  9  6  6  6  5  5  5  5  5
WIND GUST           35 39 40 41 35 33 29 28 26 23 20                           
CLOUDS              OV B1 SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC
CLOUDS(%)           89 59 41 22 14 16 12 10 14 15 15 11 11 24 28 31 26 28 42 50
VSBY                 4 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     30           0           0           0           0
SNOW                                                                           
Obvis                     BS BS                                                
MIX HGT              1 <1 <1 <1  1  2  1 <1 <1 <1 <1 <1 <1  3  3 <1            
T WIND DIR           N NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W            
T WIND SPD          33 35 32 32 36 31 28 19 16 13 12 11 12  8  9 10            
DISPERSION          GD GD GD             GD GD FR FR             PR PR PR PR   
ADI                 37 32 29 35 53 53 46 18 14 12  8  9 15 28 30  5            
MAX LVORI            3  3  3  3  3  1  1  2  3  3  3  3  2  2  1  3            
STABILITY            D  D  D  D  D  D  D  D  D  D  E  C  B  B  B  F            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  27.01 27.09 27.10 27.15 27.17 27.21 27.19            


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       38      30      35      16      29      18      37      22      31
TEMP          37 33 33 31 34 30 22 16 28 25 20 21 36 34 31 23 30 27
DEWPT         26 27 31 30 29 24 17 12 12 13 12 12 22 24 24 19 15 14
RH            64 78 92 96 82 78 81 84 50 60 71 68 56 66 75 84 53 57
WIND SPD          <15     <15     <15     <15     <15     <15     <15     15>     15>
AVG CLOUDS    B1 B2 B2 B2 B2 B2 B1 SC SC FW SC B1 SC SC SC SC SC SC
POP 12HR            5      70      40      20       0       5      10      20       0
RAIN                 C  L  C  C                                    
SNOW                 C  L  C  C  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