National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Mon Mar 30 2026

NCZ006-310800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
231 PM EDT Mon Mar 30 2026

Date           03/30/26      Tue 03/31/26            Wed 04/01/26            Thu
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 56          81          61          86          61
TEMP          74 69 63 60 57 58 71 79 80 75 69 66 63 62 75 83 86 78 70 68 63 62
DEWPT         50 49 49 51 52 54 58 57 57 55 56 57 56 58 61 60 58 59 60 60 59 59
MIN/MAX RH                   88          44          86          40          92
RH            43 49 60 72 83 86 63 47 45 50 63 73 78 87 62 46 39 52 71 76 87 90
WIND DIR      SW  S  S  S SW SW SW SW SW  S  S SW SW SW SW SW SW  S  S  S  S  S
WIND SPD       9  4  5  6  6  6  9 10 10  5  6  6  6  5  8  8  8  3  4  4  4  3
WIND GUST     19       17       19    20    17 18 17 16                        
CLOUDS        FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 B1 SC SC SC SC
CLOUDS(%)     25 16 10 17 12 21 21 24 23 25 17 25 21 30 31 55 55 61 48 32 26 35
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0          10           0          30          20
RAIN SHWRS                                                 SC SC IS IS         
MIX HGT        6 <1 <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  2  6  6 <1            
T WIND DIR    SW  S  S  S  S SW SW SW SW  S  S  S  S SW  W SW SW SW            
T WIND SPD    19  8  8  9  9 11 23 18 19  6  6  8  8  6 14 14 14  6            
DISPERSION       VP PR PR PR             PR PR PR PR             VP VP VP VP   
ADI           85  4  4  4  4 12 72 75 83  3  3  5  4  8 46 66 51  3            
MAX LVORI      1  2  3  3  5  4  1  1  1  2  3  3  4  5  1  1  1  2            
STABILITY      C  F  F  F  F  B  C  C  C  F  F  E  F  B  B  C  D  F            
CEILING        None  None  None  None  None  None  None  None  None  None      
STA PRES      29.64 29.64 29.63 29.62 29.53 29.53 29.53 29.56 29.50            


Date           04/02Fri 04/03/26Sat 04/04/26Sun 04/05/26Mon 04/06/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       85      60      83      61      85      62      81      49      67
TEMP          82 76 65 62 80 76 65 62 82 78 67 63 78 71 58 50 65 61
DEWPT         59 56 58 60 58 57 58 60 59 57 58 59 58 53 49 45 43 39
RH            46 50 78 93 47 52 78 93 46 48 73 87 50 53 72 83 45 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW SC B1 B1 B1 B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B1
POP 12HR           20      10      30      20      40      30      60      50      40
RAIN SHWRS       IS       SC SC IS    IS SC SC IS SC NM SC SC SC SC
TSTMS                        IS                      IS            

$$


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