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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 731 PM EDT Fri Oct 17 2025 NCZ006-180800- RAWS 310801 36.37N 79.29W Elev. 580 ft 731 PM EDT Fri Oct 17 2025 Date 10/17/25 Sat 10/18/25 Sun 10/19/25 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 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 45 78 57 77 47 TEMP 55 49 47 46 46 65 76 78 66 62 60 59 58 70 76 74 65 57 53 49 48 DEWPT 40 41 42 42 44 50 54 55 57 57 56 55 53 55 56 57 61 52 45 41 40 MIN/MAX RH 93 45 88 50 89 RH 57 74 83 86 93 58 46 45 73 84 87 87 83 59 50 55 87 83 74 74 74 WIND DIR E S N N S SW SW SW S S S S S S S S SW W W W W WIND SPD 1 1 0 0 1 5 6 5 2 4 5 6 8 13 16 17 10 8 5 5 5 WIND GUST 24 27 27 20 18 CLOUDS FW SC B1 SC SC CL FW CL CL FW SC SC SC SC B1 B2 B2 B1 FW FW CL CLOUDS(%) 12 26 64 39 30 4 7 1 2 14 30 48 44 50 64 73 78 59 21 13 2 VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 0 0 0 30 40 RAIN SHWRS SC SC SC SC TSTMS IS MIX HGT <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 3 5 3 <1 T WIND DIR S S S S S SW SW SW S S S S S S S S SW T WIND SPD 2 3 3 4 4 12 11 11 5 5 6 6 9 26 27 28 14 DISPERSION VP VP VP VP VP VP PR PR FR PR PR PR ADI 1 2 2 2 5 26 47 48 3 3 3 5 10 79 86 67 13 MAX LVORI 3 4 4 5 6 3 1 1 3 5 5 5 4 1 1 1 4 STABILITY G G F F B B B B G F F E B C D D D CEILING None None None None None None None 3000 None STA PRES 29.39 29.41 29.42 29.36 29.37 29.34 29.30 29.21 Date 10/20Tue 10/21/25Wed 10/22/25Thu 10/23/25Fri 10/24/25 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 69 45 75 45 65 40 67 47 70 TEMP 67 58 48 46 73 64 52 45 63 55 44 41 65 57 49 47 68 60 DEWPT 42 42 40 39 46 47 42 37 38 39 37 37 41 43 42 42 46 46 RH 40 55 74 76 38 54 69 73 39 55 76 85 41 59 77 83 45 60 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS CL CL CL FW CL FW FW FW FW FW FW FW FW SC SC B1 SC SC POP 12HR 0 0 5 5 0 0 5 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