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
831 PM EST Fri Jan 30 2026

VAZ046-310900-
RAWS 441101
37.39N  78.80W Elev. 804 ft
831 PM EST Fri Jan 30 2026

Date           01/30/26      Sat 01/31/26            Sun 02/01/26            Mon
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                 12          20          11          33          11
TEMP                21 18 14 13 15 19 20 19 18 16 14 12 21 30 32 26 20 17 15 13
DEWPT               12 10  6  5  6  6  7  9  8  6  4  3  6  9 10  7  5  5  4  4
MIN/MAX RH                   77          55          66          38          67
RH                  68 70 70 70 67 56 56 64 64 64 64 66 52 41 39 44 51 58 61 67
WIND DIR            NE NE NE NE NE NE  N NE  N  N  N NW NW NW NW NW  W  W  W  W
WIND SPD             3  5  6  8 10 10 10  8 10 10 10 10 10 11 11  8  8  6  5  5
WIND GUST                          21 21 19 21 21 21 21 21 23 21 18 18 17      
CLOUDS              OV OV OV OV OV OV OV OV OV B2 B2 B1 SC FW FW FW CL CL CL CL
CLOUDS(%)           97 93 92100 98 98100100 90 80 78 65 36 24 16  9  4  3  3  4
VSBY                10  9  9 10  8  6  6 10 10 10 10 10 10 10 10 10            
POP 12HR                     40          50          30           0           0
SNOW                 S  C  C  C  C  C  C  C  C                                 
MIX HGT             <1 <1 <1 <1  2  2  2  1  2  1 <1 <1  2  4  3 <1            
T WIND DIR           E NE NE NE NE  N  N  N  N  N  N NW NW NW NW NW            
T WIND SPD          11 14 14 14 18 17 20 26 25 25 28 24 21 18 18 12            
DISPERSION          VP PR PR             PR FR FR FR             PR PR PR PR   
ADI                  5 10 10 19 35 36 44 24 28 23 26 18 59 64 59  8            
MAX LVORI            4  4  3  3  3  1  1  2  2  2  3  2  1  1  1  2            
STABILITY            F  E  E  D  D  D  D  D  D  D  D  C  C  C  C  E            
CEILING                    3900  3900  4700  8100 10400  None  None  None      
STA PRES                  29.48 29.45 29.31 29.28 29.25 29.26 29.27            


Date           02/02Tue 02/03/26Wed 02/04/26Thu 02/05/26Fri 02/06/26
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       39      18      41      25      38      22      37      17      40
TEMP          36 30 21 20 39 36 29 27 37 34 29 23 34 31 22 20 37 35
DEWPT         13 16 14 13 22 25 25 24 29 27 23 20 20 18 15 14 21 23
RH            38 55 74 74 50 64 85 88 72 75 78 88 56 58 74 77 52 61
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL FW FW FW SC B1 B2 B1 B2 B2 B2 B1 B1 SC SC SC B1 B1
POP 12HR            0       0       5      20      50      30      20       5      10
RAIN                                      C  C                     
SNOW                                S  C  C  C  C  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