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
203 PM EST Sat Jan 31 2026

NCZ019-010900-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
203 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                  8          23          11          37          20
TEMP          19 15 12 11  9  8 15 21 23 18 16 15 13 12 25 35 36 27 24 23 23 22
DEWPT         11  6  1 -1 -1 -1  2  6  6  5  4  3  3  2  8 11 15 16 16 17 18 19
MIN/MAX RH                   73          46          66          36          87
RH            70 67 60 57 63 66 55 52 47 56 58 58 63 63 48 36 42 63 71 77 81 88
WIND DIR       N  N NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W NW  W NW NW
WIND SPD      10 17 19 19 18 18 14 13 13 12 10  8  5  4  2  2  3  2  2  2  2  2
WIND GUST           29 29 31 31 28 26                                          
CLOUDS        OV OV OV B1 FW FW FW FW FW FW FW FW FW FW FW FW FW SC FW FW SC SC
CLOUDS(%)     94 94 91 57 17  9  8  8  7  8  9 15 11  9  9 19 21 33 16 18 27 43
VSBY           2  3  6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     30           0           0           0           0
SNOW           C  C                                                            
Obvis                     BS BS                                                
MIX HGT        3  1  1  1 <1  1  2  2  2 <1 <1 <1 <1 <1  1  4  4 <1            
T WIND DIR     N  N  N NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W            
T WIND SPD    20 27 29 33 28 26 31 26 25 17 13 12 11  9  9  6  8 10            
DISPERSION       GD GD GD GD             FR FR PR PR             VP VP VP VP   
ADI           48 31 33 30 26 34 57 68 63 15  9  8  5 10 17 32 36  5            
MAX LVORI      3  3  1  2  2  3  1  1  1  2  2  2  3  3  2  1  1  3            
STABILITY      D  D  D  D  D  D  D  C  C  D  E  E  F  B  B  B  B  G            
CEILING              4300  None  None  None  None  None  None  None  None      
STA PRES            27.80 27.75 27.84 27.85 27.90 27.92 27.96 27.93            


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       42      34      40      21      36      22      45      26      39
TEMP          41 36 35 35 39 34 26 21 36 27 23 24 42 38 34 27 36 32
DEWPT         26 28 30 31 31 26 19 14 14 13 13 14 23 26 25 20 17 15
RH            55 72 82 85 73 72 74 74 40 55 65 65 46 62 69 74 45 49
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 B2 B2 B2 B1 SC FW FW SC SC SC SC SC SC SC FW
POP 12HR            5      60      40      10       0       5      10      10       0
RAIN                 C  L  C  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