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

VAZ046-010900-
RAWS 441101
37.39N  78.80W Elev. 804 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                 10          30          12          37          18
TEMP          19 18 17 14 12 10 19 27 29 23 19 16 14 12 25 35 37 28 26 23 22 20
DEWPT          7  8  7  4  3  2  6  8  8  8  5  4  4  4 10 13 15 14 15 15 15 15
MIN/MAX RH                   70          39          69          38          80
RH            59 64 64 64 66 69 56 44 40 52 54 58 64 70 52 40 40 55 62 71 74 81
WIND DIR      NE  N  N  N  N NW NW NW NW  W  W  W  W  W  W  W  W SW SW  W  W  W
WIND SPD      10  9 10 10 10  9 10 10 10  8  6  6  5  5  5  5  5  4  4  4  4  4
WIND GUST     21 20 23 23 21 19 21 21 21 18 17 17                              
CLOUDS        B2 B2 B2 B1 SC FW FW FW FW CL CL CL CL FW CL CL FW FW FW FW FW SC
CLOUDS(%)     83 72 78 54 41 21 15  7 10  4  3  3  4  6  4  5  6 12 13 11 19 36
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     20           0           0           0           0
SNOW           C  S                                                            
MIX HGT        3 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1 <1  2  2 <1            
T WIND DIR    NE  N  N  N  N  N NW NW NW NW NW  W  W  W  W  W SW  S            
T WIND SPD    20 23 27 27 23 14 23 21 20 10  8  6  9  6  5  4  5  3            
DISPERSION       PR FR FR FR             PR PR PR PR             VP VP VP VP   
ADI           46 21 25 25 21 11 51 73 65  7  4  3  4  7  7 12 14  2            
MAX LVORI      1  2  2  2  3  3  1  1  1  2  3  3  3  3  2  2  2  3            
STABILITY      D  D  D  D  D  C  C  C  C  E  F  F  F  B  B  B  B  F            
CEILING              6000  None  None  None  None  None  None  None  None      
STA PRES            29.29 29.24 29.26 29.24 29.33 29.38 29.44 29.40            


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       41      30      37      18      37      18      43      24      37
TEMP          40 36 33 31 35 32 24 19 34 29 20 21 38 38 34 25 36 30
DEWPT         25 27 29 28 28 23 17 13 15 15 12 12 20 24 24 17 14 13
RH            55 69 85 88 75 69 74 77 45 55 71 68 48 57 66 71 40 49
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B2 B2 B2 B2 B2 B1 SC SC FW FW SC B1 B1 SC SC FW FW
POP 12HR            0      40      40      20       5       5      20       5       0
RAIN                       C  C                                    
SNOW                    C  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