684
FNUS71 KRNK 261420
FWSRNK
SPOT FORECAST FOR ONE MILE...USFS
NATIONAL WEATHER SERVICE BLACKSBURG VA
1020 AM EDT THU MAR 26 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 26.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A CHANCE OF LIGHT SHOWERS WILL TAKE PLACE DURING THE NEXT FEW HOURS
ACROSS THE BURN SITE. WINDS SHOULD TURN TOWARDS THE SOUTHWEST WITH
GUSTS UP TO 20 MPH LATER IN THE AFTERNOON, WHILE MINIMUM RELATIVE
HUMIDITIES FALL TO JUST ABOVE 50 PERCENT. CLOUDS SHOULD SOMEWHAT
CLEAR BY THIS EVENING INTO EARLY TONIGHT, BUT THE SOUTHWEST BREEZE
WILL CONTINUE THROUGH THE OVERNIGHT HOURS AND INTO FRIDAY MORNING
WITH POSSIBLE GUSTS UP TO 25 MPH. A COLD FRONT SHOULD ARRIVE DURING
FRIDAY MORNING WITH A MORE SIGNIFICANT OPPORTUNITY FOR WETTING RAIN,
ESPECIALLY TOWARDS FRIDAY AFTERNOON. CLOUD COVER AND RELATIVE
HUMIDITIES SHOULD STAY HIGH THROUGHOUT FRIDAY.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF RAIN
BY MIDDAY.
CWR (0.01 IN).......INCREASING TO 30 PERCENT BY MIDDAY, THEN
DECREASING TO 10 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH WITH
GUSTS UP TO 20 MPH LATE IN THE MORNING.
MIXING HEIGHT.......3400 FT AGL.
MIXING WINDS........WEST 9 TO 18 MPH INCREASING TO SOUTHWEST 21 TO
26 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (10200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (77900 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................INCREASING TO 110 IN THE AFTERNOON.
TIME (EDT) 10 AM NOON 2 PM 4 PM
SKY (%).........50 67 58 62
WEATHER COV.....S CHC CHANCE
WEATHER TYPE....RAIN RAIN NONE NONE
TSTM COV........
CWR.............20 30 10 10
TEMP............55 63 68 70
RH..............73 64 58 56
20 FT WIND......W 4 W 6 SW 6 SW 7
20 FT WIND GUST.12 16 17 18
MIX HGT (FT)....1300 2200 2900 3200
MIXING WIND......W 9 W 16 SW 21 SW 26
LVORI...........3 1 1 1
ADI.............15 31 49 65
VRATE MPH-FT/1K.12 34 61 85
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT), THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT).
CWR (0.01 IN).......10 PERCENT.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH
OVERNIGHT.
MIXING HEIGHT.......900 FT AGL.
MIXING WINDS........SOUTHWEST 17 TO 23 MPH EARLY IN THE EVENING,
THEN WEST 12 TO 18 MPH OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT (62100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (9500 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............3.
ADI.................DECREASING TO 5 LATE IN THE NIGHT.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........42 37 25 33 58 65
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............10 0 0 0 10 10
TEMP............70 66 63 61 60 60
RH..............55 63 68 73 76 76
20 FT WIND......SW 6 SW 5 SW 5 W 6 W 6 W 6
20 FT WIND GUST.18 14 17 18 18 20
MIX HGT (FT)....3200 1300 1000 900 1100 1800
MIXING WIND......SW 23 SW 13 SW 12 SW 12 W 12 W 16
LVORI...........1 3 3 3 4 3
ADI.............88 6 5 5 8 18
VRATE MPH-FT/1K.71 17 12 11 12 29
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN SHOWERS.
CWR (0.01 IN).......INCREASING TO 90 PERCENT BY THE AFTERNOON.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........71 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN
THE MORNING.
MIXING HEIGHT.......2600 FT AGL.
MIXING WINDS........WEST 12 TO 21 MPH IN THE MORNING, THEN
SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (7000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (42500 KNOT-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................INCREASING TO 43 IN THE MORNING, THEN
DECREASING TO 10 IN THE AFTERNOON.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........75 88 80 81 95 95
WEATHER COV.....CHANCE LIKELY LIKELY LIKELY DEFNTE DEFNTE
WEATHER TYPE....RAIN RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............30 60 60 60 90 90
TEMP............60 59 62 66 65 61
RH..............77 82 80 72 71 74
20 FT WIND......W 7 W 7 W 7 W 6 W 6 W 6
20 FT WIND GUST.21 22 20 18 16 14
MIX HGT (FT)....1800 1900 2400 2600 2300 1900
MIXING WIND......W 20 W 20 W 21 W 16 W 8 SW 6
LVORI...........3 3 3 3 3 3
ADI.............22 36 43 36 17 10
VRATE MPH-FT/1K.35 37 49 41 19 10
FORECASTER...WILSON
REQUESTED BY...PHILIP BRASS
TYPE OF REQUEST...PRESCRIBED
.TAG 2608010.0/RNK
.DELDT 03/26/26
.FORMATTERVERSION 2.0.0
.EMAIL PHILIP.S.BRASS@USDA.GOV
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