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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 801 PM EDT Fri Oct 17 2025 NCZ003-180800- RAWS 310301 36.48N 80.86W Elev. 1300 ft 801 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 49 77 54 71 43 TEMP 54 52 51 52 67 76 76 67 61 58 56 55 66 69 66 58 52 49 46 43 DEWPT 44 45 46 47 53 57 58 59 57 56 55 53 55 57 58 51 43 40 37 36 MIN/MAX RH 85 51 97 64 76 RH 69 77 83 83 61 52 54 75 87 93 96 93 68 66 75 77 71 71 71 76 WIND DIR S N N N SW S S S S S S S S S SW W W NW NW NW WIND SPD 1 0 0 0 2 4 5 2 2 2 2 4 13 16 16 8 6 5 5 5 WIND GUST 14 25 21 21 18 18 16 CLOUDS B1 SC SC FW FW FW FW FW FW SC B1 B1 B2 OV B2 B1 B1 FW FW CL CLOUDS(%) 55 47 37 17 11 9 13 14 24 48 56 61 71 89 80 51 51 18 10 5 VSBY 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 0 0 0 70 30 RAIN SHWRS SC SC NM NM SC SC MIX HGT <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 3 3 2 1 T WIND DIR SW W NW NW W W S S S SW SW S S S SW W T WIND SPD 2 1 2 2 8 6 9 5 5 5 8 11 23 19 16 11 DISPERSION VP VP VP VP VP VP VP PR PR PR PR ADI 1 1 1 2 17 30 35 3 3 3 4 13 57 49 33 13 MAX LVORI 5 6 6 6 3 1 1 5 6 8 8 5 3 3 3 4 STABILITY F F F A B B B G G F F D D D D D CEILING None None None None None None 1300 600 None STA PRES 28.12 28.13 28.15 28.11 28.12 28.06 28.02 27.96 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 68 42 73 41 63 36 67 44 68 TEMP 65 57 45 43 72 58 48 42 61 53 41 38 64 57 48 45 67 55 DEWPT 38 41 37 35 46 44 38 34 36 37 35 34 39 42 39 40 44 45 RH 37 55 73 73 39 59 68 73 39 54 79 85 40 57 71 82 43 69 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS CL CL CL CL FW FW FW FW FW FW FW FW FW SC B1 B1 SC SC POP 12HR 0 0 5 5 0 0 5 5 10 $$ 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