National Weather Service United States Department of Commerce

Significant Winter Storm this Weekend - Very Cold Weather Follows Early Next Week

A winter storm will impact our area this weekend. The winter storm will be followed by very cold temperatures and wind chills early next week. Read More >

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EST Fri Jan 23 2026

VAZ024-240900-
RAWS 441631
37.63N  79.51W Elev. 865 ft
501 PM EST Fri Jan 23 2026

Date           01/23/26      Sat 01/24/26            Sun 01/25/26            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                 15          27          15          29          21
TEMP             35 28 23 18 15 20 26 27 22 18 15 16 17 21 24 27 28 26 23 26 24
DEWPT            11  7  2  0 -4 -6 -7 -8  1  7 10 12 13 17 19 20 21 22 23 23 19
MIN/MAX RH                   44          22          87          74          99
RH               36 40 39 44 42 30 23 21 39 61 80 84 84 84 81 74 75 85100 88 81
WIND DIR          W NW  N NE NE NE  E  E  E  E  E  E NE NE NE  E  E NW NW  W NW
WIND SPD          3  3  2  2  2  3  3  3  2  2  2  2  2  2  3  2  1  1  2  3  6
WIND GUST        16                      12                               13 21
CLOUDS           FW FW SC FW FW B1 B2 OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC
CLOUDS(%)        13 18 26 20 24 52 87 97 98 98100100100100100100 91 84 62 54 35
VSBY             10 10 10 10 10  7  7 10  6  4  5  7  3  2  1  1  2            
POP 12HR                      5          40         100         100          80
FRZG RAIN                                             S  D  D  D  D  D  C      
SLEET                                              S  D  D  D  D  S  D         
SNOW                                      D  D  D  D  D                    C   
MIX HGT          <1  1  1  2  2  3  3  3  3  2  2  2  2  2  2  1 <1            
T WIND DIR       NW NW  N  N NE NE  E  E  E  E  E  E  E NE  E  E SE            
T WIND SPD       14 13 11  9  9  8  6  6  9  8 10 10 13  9  6  4  3            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               7  6  5  4 24 24 23 21  4  4 14 12 25 17 12  7  2            
MAX LVORI         2  2  2  2  2  2  2  2  2  3  4  4  4  4  4  4  4            
STABILITY         G  G  G  G  B  C  C  C  F  F  D  D  D  D  D  D  F            
CEILING              None  None  None  7500  4400  1800  2500  1500  1500      
STA PRES            28.81 28.88 28.98 28.91 28.89 28.70 28.55 28.35            


Date           01/26Tue 01/27/26Wed 01/28/26Thu 01/29/26Fri 01/30/26
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       29       1      30      10      30       9      25       1      27
TEMP          29 20 10  2 26 24 17 10 28 23 15  9 24 14  4  1 25 19
DEWPT         14  6  0 -6  6  9  7  3 10  8  7  4  5 -1 -4 -5  7  4
RH            53 54 63 68 42 52 64 73 46 52 70 80 43 50 68 75 46 51
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW CL CL FW SC SC B1 B1 SC SC SC FW FW SC SC
POP 12HR            5       0       0       0       5      10      10       5       5

$$


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