824
FNUS71 KRNK 230911
FWSRNK

Spot Forecast for Whetstone ridge...US forest service
National Weather Service Blacksburg VA
511 AM EDT Wed Jul 23 2025

Forecast is based on forecast start time of 0600 EDT on July 23.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

High pressure will build into the area from the northeast
providing slightly cooler and less humid conditions through
Thursday. This should also keep the shower threat to a minimum.
After Thursday, the heat and humidity builds again for the
weekend, along with a chance of thunderstorms.

Min RH through the daytime today and Thursday generally in
the 50 percent range. Winds will remain light out of the
south/southeast.


.TODAY...

Sky/weather.........Mostly sunny (35-45 percent).
CWR (0.01 in).......0 percent.
Max temperature.....Around 83.
Min humidity........55 percent.
Wind (20 ft)........Light winds.
Mixing height.......5200 ft AGL.
Mixing winds........Southeast 3 to 8 mph.
Smoke dispersal.....Poor (1500 knot-ft) early in the morning
                    increasing to good (30900 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................3 early in the morning increasing to 44 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........57  55  55  53  27  24  29  31  25  34  23  22
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............65  66  68  72  74  77  78  79  81  81  82  81
RH..............86  87  84  75  70  65  62  59  56  56  55  56
20 FT wind dir..SE  SE  SE  S   S   SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..4   3   1   1   2   2   2   3   3   3   3   3
20 FT wind gust.6   6   4   4   5   6   6   7   8   8   7   8
Mix hgt (kft)...0.5 0.5 0.7 1.8 2.7 3.6 4.2 4.8 5.1 5.2 5.2 5.1
Mixng wind dir..E   SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
Mixng wind spd..3   5   6   7   8   8   8   7   7   7   7   7
LVORI...........5   5   4   4   3   3   1   1   1   1   1   1
ADI.............3   5   6   15  26  37  42  44  44  43  43  44
VRate mph-ft/1K.2   2   4   12  20  29  33  36  35  35  35  35

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR (0.01 in).......0 percent.
Min temperature.....Around 64.
Max humidity........91 percent.
Wind (20 ft)........Light winds.
Mixing height.......500 ft AGL.
Mixing winds........Southeast 5 to 9 mph.
Smoke dispersal.....Fair (26400 knot-ft) early in the evening
                    decreasing to poor (2100 knot-ft) late in the
                    night.
LVORI...............4.
ADI.................2 to 39.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........17  19  6   7   8   9   17  16  25  15  24  22
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............80  78  75  74  72  70  69  68  67  67  66  65
RH..............58  64  69  70  75  75  80  83  86  86  88  89
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  S   S   S   S
20 FT wind spd..2   2   2   2   2   2   2   2   2   1   1   1
20 FT wind gust.8   8   7   6   6   6   6   5   5   5   5   5
Mix hgt (kft)...3.9 1.5 0.6 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.7
Mixng wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  S   S   S
Mixng wind spd..8   9   9   8   6   5   6   8   9   8   6   5
LVORI...........1   3   3   3   3   4   4   5   5   6   6   6
ADI.............39  4   4   3   3   2   3   4   4   4   3   2
VRate mph-ft/1K.30  13  6   4   3   2   3   5   6   5   4   3

.THURSDAY...

Sky/weather.........Sunny (15-25 percent).
CWR (0.01 in).......0 percent.
Max temperature.....Around 86.
Min humidity........54 percent.
Wind (20 ft)........Light winds.
Mixing height.......4600 ft AGL.
Mixing winds........South 5 to 8 mph.
Smoke dispersal.....Poor (1900 knot-ft) early in the morning
                    increasing to good (32100 knot-ft) in the
                    afternoon.
LVORI...............4.
ADI.................2 early in the morning increasing to 46 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........26  29  31  26  19  12  13  14  15  14  14  13
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............64  66  69  72  75  78  80  83  84  85  84  84
RH..............91  90  86  81  75  69  63  58  55  54  54  55
20 FT wind dir..S   S   SW  SW  SW  SW  SW  SW  S   S   S   S
20 FT wind spd..1   1   1   1   1   2   3   3   3   3   3   3
20 FT wind gust.5   5   5   5   6   6   7   7   7   7   8   8
Mix hgt (kft)...0.5 0.5 1.2 1.8 2.2 3.0 3.3 3.8 4.3 4.4 4.5 4.6
Mixng wind dir..S   S   S   S   SW  SW  S   S   S   S   S   SW
Mixng wind spd..5   5   5   5   6   6   6   7   7   7   8   8
LVORI...........7   6   5   4   4   3   2   1   1   1   1   1
ADI.............2   4   7   11  15  22  26  32  37  41  44  46
VRate mph-ft/1K.2   2   5   9   12  17  20  25  30  32  35  37

$$
Forecaster...Gruver
Requested by...Ethan smith
Type of request...WILDFIRE
.TAG 2518437.0/RNK
.DELDT 07/23/25
.FormatterVersion 2.0.0
.EMAIL Ethan.smith2@usda.gov