National Weather Service United States Department of Commerce

Significant Snow and Extreme Cold Expected for Much of the Area

Another winter storm will impact much of the region Friday through Saturday night. For this one, only snow is expected. 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
422 AM EST Fri Jan 30 2026

VAZ012-302100-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
422 AM EST Fri Jan 30 2026

Date             Fri 01/30/26            Sat 01/31/26            Sun 02/01/26
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                 29          11          19           3          19
TEMP             14 22 27 27 22 18 16 13 12 15 17 17 11  8  6  4  3  9 16 19 12
DEWPT            10 15 17 18 17 13 13 10  8  8  6  2  0 -1 -1 -3 -5 -1  2  2  3
MAX/MIN RH                   62          86          51          74          47
RH               84 74 65 68 81 80 88 87 84 73 61 51 60 66 72 72 68 63 53 47 66
WIND DIR          N  E SE SE NE NE NE NE  N  N  N NW NW NW NW NW NW NW NW NW NW
WIND SPD          0  1  1  1  2  2  2  2  2  3  3  5  6  6  6  8  8  8  6  6 11
WIND GUST                                            17 18 19 20 20 20 20 18   
CLOUDS           B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC FW FW
CLOUDS(%)        87 90 92 94 92 90100 90 91 99 93 85 85 75 66 61 55 46 37 13 10
VSBY              7  1  1  1  1  5  0  3  1  0  1  1  3  6 10 10 10 10 10 10 10
POP 12HR                     70          90          80          40           0
SNOW              S  L  L  L  L  C  D  C  L  D  L  L  C  S                     
MIX HGT          <1  1  2  2  1 <1  1  1  1  2  2  2  1  2  2  2  1  2  2  2 <1
T WIND DIR        S  S  S  E  E NE NE  N  N  N  N  N  N NW NW NW NW NW NW NW NW
T WIND SPD        2  3  3  2  8  8  9  9  8 12 16 21 25 31 32 27 24 28 28 28 13
DISPERSION                   VP VP VP VP             PR PR PR PR             FR
ADI               2  5  8  5  4  4  8  4 11 25 41 42 17 21 22 31 33 72 82 82  9
MAX LVORI         5  3  3  3  4  5  5  5  4  3  1  1  2  3  3  3  3  1  1  1  3
STABILITY         C  C  C  C  F  F  D  F  C  C  C  D  E  E  E  D  D  B  B  B  E
CEILING              2000   700     0  1100  1400  3000  2900  1300  None  None
STA PRES            27.28 27.20 27.20 27.17 27.18 27.14 27.14 27.11 27.18 27.18


Date          Mon 02/02/26Tue 02/03/26Wed 02/04/26Thu 02/05/26
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        1      29      16      36      24      37      24      33
TEMP           7  2 26 20 19 19 32 29 27 28 35 33 30 26 31 26
DEWPT          2  0  9 13 16 16 21 21 23 23 26 27 27 22 22 20
RH            79 91 48 74 88 88 63 72 85 81 69 78 88 85 69 78
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1
POP 12HR            0       0      10       5      30      50      50      20
RAIN                                            C            
SNOW                                   S  C  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