Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 801 AM EDT Fri Sep 26 2025 VAZ018-262000- RAWS 444002 37.56N 80.18W Elev. 2702 ft 801 AM EDT Fri Sep 26 2025 Date Fri 09/26/25 Sat 09/27/25 Sun 09/28/25 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 MAX/MIN TEMP 79 63 70 60 76 TEMP 72 78 77 67 66 65 64 64 67 69 69 64 64 63 62 62 71 76 74 65 DEWPT 62 60 61 62 62 64 63 63 66 68 67 64 63 62 61 60 65 66 66 63 MAX/MIN RH 54 99 94 99 71 RH 71 54 58 84 87 97 97 97 97 97 93100 97 97 97 93 81 71 76 93 WIND DIR NW W NW N NE E E E E E E NE N N N N NE E E E WIND SPD 2 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 3 4 3 2 CLOUDS B2 B1 B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC CLOUDS(%) 72 69 65 82 86 94 96 95 92 93 91 84 79 80 78 75 70 74 55 47 VSBY 10 10 10 10 7 1 0 0 3 6 6 6 6 7 7 7 7 7 7 7 POP 12HR 30 70 90 40 30 RAIN SHWRS IS IS SC SC NM O O O O SC SC IS IS IS IS SC SC IS TSTMS IS IS SC IS IS SC SC SC SC IS IS MIX HGT 3 4 3 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 3 1 <1 T WIND DIR N N SE SE SE E E E E E E E E E E NE NE NE NE NE T WIND SPD 2 1 5 5 4 4 4 5 8 5 4 4 4 4 4 6 10 11 9 9 DISPERSION VP VP VP VP VP VP VP VP VP ADI 7 4 19 3 2 2 2 4 7 5 5 2 2 2 2 5 17 25 18 4 MAX LVORI 3 3 2 5 6 6 8 9 6 7 6 9 8 8 8 7 3 3 3 7 STABILITY C C C F F F F C C C C F F F F C C D C F CEILING 600 2200 1000 700 700 700 700 700 0 None STA PRES 27.71 27.68 27.72 27.73 27.74 27.72 27.76 27.79 27.86 27.87 Date Mon 09/29/25Tue 09/30/25Wed 10/01/25Thu 10/02/25 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 MIN/MAX TEMP 60 71 61 70 58 70 50 65 TEMP 63 61 71 63 64 63 70 63 62 60 69 59 55 51 65 53 DEWPT 61 59 66 63 62 60 66 63 60 56 61 56 51 46 50 48 RH 93 93 84100 93 90 87100 93 87 76 90 86 83 58 83 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC POP 12HR 30 40 50 40 30 20 10 10 RAIN SHWRS IS SC SC SC SC SC SC SC SC IS IS IS TSTMS IS IS 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