Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 802 AM EDT Fri Jul 25 2025 VAZ012-252000- RAWS 447502 37.01N 81.18W Elev. 2540 ft 802 AM EDT Fri Jul 25 2025 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 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 87 66 88 66 88 TEMP 78 83 84 79 72 70 67 70 83 84 84 76 71 69 67 70 82 85 84 75 DEWPT 67 66 66 68 67 66 65 68 71 69 69 71 70 68 67 69 72 72 72 71 MAX/MIN RH 49 97 64 100 65 RH 69 57 55 69 84 87 93 93 67 61 61 85 97 97100 97 72 65 67 87 WIND DIR W W W NW W W W W W W W W W W W W W NW W NW WIND SPD 2 2 2 1 1 2 2 2 2 2 2 1 1 2 2 2 2 2 2 2 CLOUDS FW SC SC SC SC FW FW SC SC B1 B1 SC SC SC SC B1 B1 B1 SC SC CLOUDS(%) 17 38 31 35 28 6 15 33 43 69 69 42 38 43 36 53 53 54 42 42 VSBY 10 10 10 10 10 7 7 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 10 5 50 20 60 RAIN SHWRS IS IS SC SC IS IS SC SC NM NM IS TSTMS IS IS SC SC IS IS SC SC NM NM IS MIX HGT 4 6 5 <1 <1 <1 <1 <1 3 5 3 <1 <1 <1 <1 <1 4 4 3 <1 T WIND DIR W W NW S W W W W W SW W NW SW W W NW NW NW W W T WIND SPD 8 4 4 1 1 2 3 2 5 5 8 2 3 5 5 13 16 14 12 9 DISPERSION VP VP VP VP VP VP VP VP VP ADI 42 33 28 1 1 1 2 2 24 33 33 1 2 3 3 14 69 73 49 4 MAX LVORI 1 1 2 4 6 6 7 6 3 1 1 5 8 8 9 5 3 1 1 5 STABILITY A A A G G G G A A B B F G F G B B B A F CEILING None None None None None 3100 None None None None STA PRES 27.41 27.35 27.36 27.37 27.38 27.34 27.35 27.35 27.39 27.37 Date Mon 07/28/25Tue 07/29/25Wed 07/30/25Thu 07/31/25 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 67 90 67 92 65 93 65 87 TEMP 69 71 86 77 70 70 88 79 69 69 89 77 68 68 83 72 DEWPT 69 70 71 70 68 69 69 69 67 68 67 68 65 65 68 67 RH 100 97 61 79 93 97 54 72 93 97 48 74 90 90 61 84 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC SC SC FW FW FW FW FW FW FW SC SC B1 B1 POP 12HR 20 50 20 20 10 20 30 50 RAIN SHWRS IS IS SC IS IS IS SC SC SC TSTMS IS IS SC IS IS IS SC SC SC $$ 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