Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
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UXUS97 KBOI 221305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
705 AM MDT Friday, August 22, 2025
This forecast is for Friday, August 22, 2025:
If the trigger temperature of 89.5 F/32.0 C is reached...then
Thermal Soaring Index....................... Fair
Maximum rate of lift........................ 379 ft/min (1.9 m/s)
Maximum height of thermals.................. 9177 ft MSL (6316 ft AGL)
Forecast maximum temperature................... 96.0 F/36.0 C
Time of trigger temperature.................... 1400 MDT
Time of overdevelopment........................ None
Middle/high clouds during soaring window....... None
Surface winds during soaring window............ 20 mph or less
Height of the -3 thermal index................. 7410 ft MSL (4550 ft AGL)
Thermal soaring outlook for Saturday 08/23..... Good
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 06:58:13 / 20:37:00 MDT
Total possible sunshine........... 13 hr 38 min 47 sec (818 min 47 sec)
Altitude of sun at 13:47:36 MDT... 56.32 degrees
Upper air data from rawinsonde observation taken on 08/22/2025 at 0600 MDT
Freezing level.................. 15940 ft MSL (13079 ft AGL)
Convective condensation level... 20301 ft MSL (17440 ft AGL)
Lifted condensation level....... 17305 ft MSL (14444 ft AGL)
Lifted index.................... +4.1
K index......................... +10.2
Height Temperature Wind Wind Spd Lapse Rate ConvectionT Thermal Lift Rate
ft MSL deg C deg F Dir kt m/s C/km F/kft deg C deg F Index fpm m/s
--------------------------------------------------------------------------------
40000 -52.1 -61.8 250 67 34 6.4 3.5 65.5 150.0 19.6 M M
38000 -48.9 -56.0 250 63 32 7.2 4.0 61.6 142.9 17.5 M M
36000 -45.1 -49.2 255 59 30 4.0 2.2 58.6 137.5 15.8 M M
34000 -40.9 -41.6 255 55 29 9.1 5.0 56.1 132.9 14.5 M M
32000 -36.0 -32.8 250 52 27 6.3 3.4 53.8 128.9 13.2 M M
30000 -31.6 -24.9 250 45 23 8.2 4.5 51.9 125.4 12.1 M M
28000 -26.7 -16.1 250 37 19 8.2 4.5 50.6 123.0 11.4 M M
26000 -22.3 -8.1 245 30 15 7.0 3.8 48.7 119.7 10.2 M M
24000 -18.2 -0.8 255 22 11 8.6 4.7 46.6 115.9 8.8 M M
22000 -13.0 8.6 255 22 11 7.7 4.2 45.7 114.2 8.2 M M
20000 -8.3 17.1 255 21 11 7.8 4.3 44.3 111.7 7.3 M M
18000 -4.2 24.4 255 21 11 6.3 3.4 42.3 108.1 5.7 M M
16000 0.1 32.2 240 14 7 6.4 3.5 39.7 103.4 3.5 M M
14000 3.7 38.7 285 22 11 6.5 3.5 37.3 99.1 1.3 M M
12000 8.3 46.9 280 22 11 9.6 5.3 36.4 97.5 0.1 M M
10000 14.1 57.4 270 21 11 9.8 5.4 36.4 97.4 0.1 M M
9000 16.5 61.7 290 15 8 0.8 0.4 35.4 95.8 -0.5 374 1.9
8000 18.0 64.4 300 5 2 4.1 2.3 33.8 92.9 -1.8 297 1.5
7500 18.5 65.3 325 7 3 6.1 3.4 33.1 91.6 -2.8 268 1.4
7000 19.5 67.1 335 11 5 7.9 4.3 32.7 90.9 -3.3 224 1.1
6500 20.6 69.1 335 10 5 7.9 4.4 32.4 90.4 -3.7 175 0.9
6000 21.7 71.1 345 8 4 8.6 4.7 32.2 89.9 -4.0 127 0.6
5500 21.6 70.9 345 4 2 -6.2 -3.4 30.6 87.1 -5.6 115 0.6
5000 22.1 71.8 000 0 0 8.5 4.7 29.5 85.1 -6.6 86 0.4
4750 22.7 72.9 210 1 0 6.0 3.3 29.4 84.9 -6.8 61 0.3
4500 22.8 73.0 210 1 1 -1.1 -0.6 28.8 83.9 -7.4 49 0.3
4250 22.7 72.9 210 2 1 2.2 1.2 28.0 82.4 -8.3 46 0.2
4000 23.1 73.6 210 3 1 2.5 1.3 27.6 81.6 -8.6 26 0.1
3750 22.8 73.0 200 3 2 -9.3 -5.1 26.6 79.8 -9.7 28 0.1
3500 21.7 71.1 190 3 2 -16.4 -9.0 24.8 76.6 -11.6 54 0.3
3400 20.5 68.9 180 3 2 -14.3 -7.8 22.8 73.1 -13.5 83 0.4
3300 20.5 68.9 180 3 2 -14.3 -7.8 22.8 73.1 -13.5 83 0.4
3200 19.6 67.3 170 4 2 -10.2 -5.6 21.2 70.2 -15.2 102 0.5
3100 19.6 67.3 170 4 2 -10.2 -5.6 21.2 70.2 -15.2 102 0.5
3000 19.6 67.3 170 4 2 -10.2 -5.6 21.2 70.2 -15.2 102 0.5
2900 18.2 64.8 160 4 2 -34.1 -18.7 19.1 66.4 -17.4 137 0.7
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
08/22/2025 at 0900 MDT | 08/22/2025 at 1200 MDT
|
CAPE... 0.0 LI... +5.6 | CAPE... 0.0 LI... +5.5
CINH... -0.1 K Index... -2.0 | CINH... -0.1 K Index... +0.6
|
Height Temperature Wnd WndSpd Lapse Rate | Temperature Wnd WndSpd Lapse Rate
ft MSL deg C deg F Dir kt m/s C/km F/kft | deg C deg F Dir kt m/s C/km F/kft
--------------------------------------------------------------------------------
40000 -51.1 -60.0 250 58 30 5.1 2.8 | -51.5 -60.7 255 55 28 5.4 3.0
38000 -48.0 -54.4 250 56 29 5.1 2.8 | -48.2 -54.8 255 54 28 5.4 3.0
36000 -45.0 -49.0 255 55 28 4.9 2.7 | -45.0 -49.0 250 53 27 5.3 2.9
34000 -41.1 -42.0 255 52 27 6.6 3.6 | -41.1 -42.0 250 51 26 6.6 3.6
32000 -37.1 -34.8 250 49 25 6.5 3.6 | -36.7 -34.1 250 49 25 6.8 3.7
30000 -32.5 -26.5 250 43 22 7.9 4.3 | -32.1 -25.8 250 44 23 7.7 4.2
28000 -27.8 -18.0 250 37 19 7.8 4.3 | -27.5 -17.5 255 38 20 7.8 4.3
26000 -23.1 -9.6 250 33 17 7.7 4.2 | -22.8 -9.0 255 34 18 7.8 4.3
24000 -17.9 -0.2 255 27 14 7.6 4.2 | -18.2 -0.8 255 29 15 7.7 4.2
22000 -13.4 7.9 255 20 10 7.4 4.0 | -13.6 7.5 260 22 12 7.4 4.1
20000 -9.0 15.8 255 19 10 7.3 4.0 | -9.3 15.3 260 20 10 7.2 3.9
18000 -5.2 22.6 255 20 10 5.8 3.2 | -5.0 23.0 260 20 10 6.6 3.6
16000 -1.6 29.1 250 19 10 6.6 3.6 | -1.0 30.2 255 18 9 7.1 3.9
14000 3.0 37.4 260 18 9 8.1 4.4 | 3.2 37.8 250 15 8 8.1 4.4
12000 8.1 46.6 275 17 9 8.9 4.9 | 8.3 46.9 270 12 6 8.8 4.8
10000 13.2 55.8 295 15 8 7.4 4.0 | 13.5 56.3 305 12 6 8.1 4.4
9000 15.4 59.7 305 12 6 7.2 3.9 | 15.9 60.6 320 11 6 7.3 4.0
8000 17.9 64.2 320 8 4 9.2 5.1 | 18.2 64.8 330 8 4 8.0 4.4
7500 19.2 66.6 340 6 3 7.2 4.0 | 19.1 66.4 340 5 3 4.9 2.7
7000 20.1 68.2 350 6 3 6.4 3.5 | 20.1 68.2 350 4 2 6.4 3.5
6500 20.9 69.6 355 7 4 7.1 3.9 | 20.9 69.6 005 4 2 6.1 3.4
6000 21.8 71.2 355 8 4 5.8 3.2 | 22.3 72.1 015 4 2 6.2 3.4
5500 22.6 72.7 355 8 4 6.4 3.5 | 23.0 73.4 005 3 2 6.7 3.7
5000 23.1 73.6 355 7 4 -0.1 -0.0 | 23.3 73.9 320 2 1 -4.4 -2.4
4750 23.0 73.4 360 6 3 -2.6 -1.4 | 23.0 73.4 270 2 1 0.3 0.2
4500 22.8 73.0 005 5 3 -4.6 -2.5 | 23.3 73.9 260 2 1 6.4 3.5
4250 22.3 72.1 010 4 2 -8.4 -4.6 | 23.7 74.7 255 3 1 6.4 3.5
4000 21.4 70.5 015 3 2 -13.1 -7.2 | 24.2 75.6 250 3 2 6.4 3.5
3750 20.6 69.1 025 2 1 -5.8 -3.2 | 24.7 76.5 250 3 2 9.1 5.0
3500 20.5 68.9 025 2 1 3.4 1.9 | 25.8 78.4 255 3 2 21.7 11.9
3400 20.5 68.9 025 2 1 3.4 1.9 | 25.8 78.4 255 3 2 21.7 11.9
3300 19.5 67.1 095 1 0 -46.6 -25.6 | 27.9 82.2 245 4 2 34.5 18.9
3200 19.5 67.1 095 1 0 -46.6 -25.6 | 27.9 82.2 245 4 2 34.5 18.9
3100 M M M M M M M | M M M M M M M
3000 M M M M M M M | M M M M M M M
2900 M M M M M M M | M M M M M M M
08/22/2025 at 1500 MDT | 08/22/2025 at 1800 MDT
|
CAPE... 0.0 LI... +4.4 | CAPE... 0.0 LI... +4.4
CINH... 0.0 K Index... +7.9 | CINH... -0.1 K Index... +4.4
|
Height Temperature Wnd WndSpd Lapse Rate | Temperature Wnd WndSpd Lapse Rate
ft MSL deg C deg F Dir kt m/s C/km F/kft | deg C deg F Dir kt m/s C/km F/kft
--------------------------------------------------------------------------------
40000 -51.8 -61.2 255 50 26 5.7 3.1 | -52.0 -61.6 260 49 25 5.9 3.2
38000 -48.3 -54.9 255 49 25 5.7 3.1 | -48.4 -55.1 260 47 24 5.9 3.3
36000 -44.9 -48.8 255 49 25 5.6 3.1 | -44.9 -48.8 260 46 24 5.7 3.1
34000 -40.3 -40.5 255 49 25 7.0 3.9 | -39.9 -39.8 260 45 23 7.6 4.1
32000 -36.1 -33.0 255 49 25 7.2 3.9 | -35.4 -31.7 260 44 23 7.8 4.3
30000 -31.5 -24.7 255 46 24 7.7 4.2 | -30.7 -23.3 260 44 23 7.9 4.3
28000 -26.9 -16.4 255 42 22 7.4 4.1 | -26.0 -14.8 265 43 22 7.2 3.9
26000 -22.5 -8.5 260 36 18 7.4 4.1 | -21.7 -7.1 265 38 19 7.2 3.9
24000 -18.0 -0.4 260 29 15 7.4 4.0 | -17.5 0.5 265 31 16 6.9 3.8
22000 -13.6 7.5 265 22 11 7.4 4.1 | -13.3 8.1 265 23 12 7.2 4.0
20000 -8.6 16.5 265 20 10 7.4 4.1 | -8.2 17.2 265 20 10 7.6 4.2
18000 -4.8 23.4 260 19 10 6.6 3.6 | -3.9 25.0 270 19 10 6.7 3.7
16000 -0.8 30.6 260 17 9 7.1 3.9 | 0.1 32.2 270 19 10 6.8 3.7
14000 3.5 38.3 260 15 8 8.4 4.6 | 4.3 39.7 275 15 8 7.3 4.0
12000 8.7 47.7 270 11 6 8.6 4.7 | 9.1 48.4 290 11 6 9.2 5.0
10000 13.9 57.0 305 7 4 8.9 4.9 | 14.4 57.9 320 8 4 9.0 4.9
9000 16.5 61.7 330 8 4 8.7 4.8 | 17.0 62.6 335 8 4 8.8 4.8
8000 19.2 66.6 345 8 4 10.1 5.6 | 19.8 67.6 340 8 4 10.7 5.9
7500 20.2 68.4 350 7 4 4.5 2.4 | 21.0 69.8 340 8 4 6.8 3.7
7000 21.3 70.3 345 6 3 7.1 3.9 | 22.3 72.1 340 8 4 9.1 5.0
6500 22.8 73.0 330 5 3 7.4 4.0 | 23.5 74.3 340 8 4 8.5 4.7
6000 23.8 74.8 320 5 3 7.3 4.0 | 25.7 78.3 335 8 4 9.3 5.1
5500 25.0 77.0 315 5 3 10.9 6.0 | 27.1 80.8 335 8 4 10.4 5.7
5000 26.4 79.5 310 5 3 9.0 4.9 | 28.6 83.5 330 8 4 9.6 5.2
4750 27.1 80.8 310 5 3 9.9 5.4 | 29.3 84.7 330 8 4 9.8 5.4
4500 27.9 82.2 305 5 3 11.1 6.1 | 30.1 86.2 330 8 4 10.5 5.8
4250 28.7 83.7 305 5 3 10.0 5.5 | 30.8 87.4 330 7 4 9.7 5.3
4000 29.4 84.9 305 5 3 9.9 5.4 | 31.5 88.7 325 7 4 9.2 5.1
3750 30.2 86.4 300 5 3 8.9 4.9 | 32.2 90.0 325 8 4 8.9 4.9
3500 31.0 87.8 300 5 3 15.7 8.6 | 33.0 91.4 325 7 4 12.9 7.1
3400 31.0 87.8 300 5 3 15.7 8.6 | 33.0 91.4 325 7 4 12.9 7.1
3300 33.7 92.7 300 5 3 69.8 38.3 | 34.8 94.6 325 7 4 42.7 23.4
3200 33.7 92.7 300 5 3 69.8 38.3 | 34.8 94.6 325 7 4 42.7 23.4
3100 M M M M M M M | M M M M M M M
3000 M M M M M M M | M M M M M M M
2900 M M M M M M M | M M M M M M M
________________________________________________________________________________
This product is issued twice per day, once by approximately 0630 MST/0730 MDT
(1330 UTC) and again by approximately 1830 MST/1930 MDT (0130 UTC). It is not
continuously monitored nor updated after its initial issuance.
The information contained herein is based on rawinsonde observation and/or
numerical weather prediction model data taken at the Boise Airport site in
Boise, Idaho at
Latitude: 43.56774
Longitude: -116.21089
Elevation: 2867 feet (874 meters)
and may not be representative of other areas in eastern Oregon or southwest
Idaho. Note that some elevations in numerical weather prediction models differ
from actual station elevations, which can lead to data which appear to be below
ground. Erroneous data such as these should not be used.
The content and format of this report as well as the issuance times are subject
to change without prior notice.
082025