Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Thu Apr 30 2026
VAZ018-010800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 AM EDT Thu Apr 30 2026
Date 04/29/26 Thu 04/30/26 Fri 05/01/26 Sat
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 49 62 41 69 45
TEMP 50 50 57 60 60 51 45 43 41 44 58 66 68 59 50 47 46 46
DEWPT 46 44 41 36 35 33 33 33 32 33 35 33 36 36 38 38 37 37
MIN/MAX RH 96 39 73 29 71
RH 86 80 55 41 39 50 62 67 70 65 42 29 31 42 63 71 71 71
WIND DIR NW NW NW NW NW NW NW NW NW W S SW W NW NW NW NW NW
WIND SPD 9 13 13 13 13 6 3 2 2 1 3 6 6 4 2 2 2 2
WIND GUST 25 26 25 25 25 23 16 14 19 19 18 14 12 12 12
CLOUDS B2 B1 SC SC SC FW SC SC B2 B1 FW SC B1 B1 B2 B2 B2 B2
CLOUDS(%) 76 61 35 40 33 7 32 35 78 67 21 36 52 65 71 76 83 85
VSBY 3 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 0 0 10 20
RAIN SHWRS IS IS SC
TSTMS
MIX HGT <1 2 4 5 5 1 <1 <1 <1 <1 4 7 7 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW SW SW SW N
T WIND SPD 18 21 20 17 19 19 18 12 3 3 3 12 12 6
DISPERSION PR PR VP VP VP VP VP VP VP
ADI 12 49 99101121 9 8 6 2 4 17 97 61 5
MAX LVORI 4 3 1 1 1 2 2 3 3 3 2 1 1 2
STABILITY E C B B B F F G F B A B C E
CEILING 7400 None None None 15700 None None 6200
STA PRES 27.59 27.63 27.63 27.73 27.74 27.73 27.66
Date 05/02Sun 05/03/26Mon 05/04/26Tue 05/05/26Wed 05/06/26
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 60 37 62 41 74 52 78 55 79
TEMP 57 52 40 41 59 54 43 46 71 65 55 55 75 68 57 57 74 71
DEWPT 35 31 29 29 27 28 29 33 40 40 42 44 47 46 46 48 52 52
RH 43 44 64 62 29 36 57 60 32 40 61 66 37 45 67 72 46 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 SC FW FW CL FW CL FW SC SC FW FW SC SC SC B1 B1
POP 12HR 40 20 5 0 30 10 20 20 50
RAIN SHWRS SC SC IS SC IS IS IS SC SC
TSTMS IS 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
Radar
Current Weather
Rivers & Lakes
Satellite
Forecast Maps
Hour by Hour Forecast
Graphical Hazards
Winter Weather
Weather Briefing Page
Forecast Discussion
Text Products
Climate Plots
Submit A Storm Report
Fire Weather
Drought
Recreation Forecast
NOAA Weather Radio
Aviation
Follow us on X
Follow us on Facebook
Follow us on YouTube
RNK RSS Feed