Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
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822
UXUS97 KBOI 231305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
705 AM MDT Saturday, August 23, 2025
This forecast is for Saturday, August 23, 2025:
If the trigger temperature of 94.5 F/34.7 C is reached...then
Thermal Soaring Index....................... Fair
Maximum rate of lift........................ 359 ft/min (1.8 m/s)
Maximum height of thermals.................. 8480 ft MSL (5619 ft AGL)
Forecast maximum temperature................... 97.0 F/36.6 C
Time of trigger temperature.................... 1500 MDT
Time of overdevelopment........................ 2000 MDT
Middle/high clouds during soaring window....... None
Surface winds during soaring window............ 20 mph or less
Height of the -3 thermal index................. 5345 ft MSL (2484 ft AGL)
Thermal soaring outlook for Sunday 08/24....... Good
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 06:59:20 / 20:35:21 MDT
Total possible sunshine........... 13 hr 36 min 1 sec (816 min 1 sec)
Altitude of sun at 13:47:21 MDT... 56.01 degrees
Upper air data from rawinsonde observation taken on 08/23/2025 at 0600 MDT
Freezing level.................. 16142 ft MSL (13281 ft AGL)
Convective condensation level... 20353 ft MSL (17492 ft AGL)
Lifted condensation level....... 18083 ft MSL (15222 ft AGL)
Lifted index.................... +3.7
K index......................... +8.8
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 -52.6 -62.7 260 57 29 6.2 3.4 64.3 147.8 18.4 M M
38000 -48.9 -56.0 260 53 27 6.2 3.4 61.0 141.9 16.7 M M
36000 -45.2 -49.4 255 47 24 10.7 5.9 57.9 136.2 15.0 M M
34000 -40.5 -40.9 255 43 22 10.1 5.6 56.2 133.2 14.2 M M
32000 -34.7 -30.5 255 38 19 6.1 3.3 55.3 131.5 13.9 M M
30000 -31.2 -24.2 265 24 12 8.7 4.8 52.0 125.7 11.8 M M
28000 -26.5 -15.7 270 23 12 7.7 4.2 50.6 123.1 10.9 M M
26000 -21.0 -5.8 275 20 10 6.5 3.6 50.0 122.0 10.8 M M
24000 -16.4 2.5 275 16 8 8.2 4.5 48.4 119.2 9.8 M M
22000 -11.5 11.3 250 21 11 4.4 2.4 47.3 117.1 9.1 M M
20000 -9.7 14.5 255 19 10 7.5 4.1 42.5 108.5 5.2 M M
18000 -4.7 23.5 265 21 11 10.9 6.0 41.7 107.1 4.4 M M
16000 0.5 32.9 250 26 14 7.0 3.8 40.3 104.5 3.1 M M
14000 5.7 42.3 270 22 11 9.3 5.1 39.7 103.4 2.5 M M
12000 11.0 51.8 295 18 9 8.7 4.8 39.1 102.4 2.1 M M
10000 15.9 60.6 320 16 8 7.1 3.9 38.0 100.5 1.2 M M
9000 18.3 64.9 340 16 8 6.8 3.7 37.1 98.8 0.6 M M
8000 19.6 67.3 350 8 4 7.4 4.0 35.5 96.0 -0.9 334 1.7
7500 20.9 69.6 350 7 3 8.8 4.8 35.4 95.8 -1.1 280 1.4
7000 22.2 72.0 355 6 3 8.9 4.9 35.3 95.6 -1.3 226 1.1
6500 23.5 74.3 020 3 1 8.9 4.9 35.2 95.3 -1.4 172 0.9
6000 24.8 76.6 110 3 1 7.3 4.0 35.1 95.1 -1.6 118 0.6
5500 25.4 77.7 085 5 3 6.2 3.4 34.2 93.5 -2.5 87 0.4
5000 24.4 75.9 075 8 4 -7.6 -4.2 31.9 89.4 -5.0 102 0.5
4750 24.7 76.5 070 6 3 8.6 4.7 31.4 88.6 -5.4 86 0.4
4500 25.3 77.5 065 4 2 6.7 3.7 31.3 88.3 -5.6 60 0.3
4250 25.9 78.6 045 2 1 8.6 4.7 31.1 87.9 -5.7 35 0.2
4000 26.5 79.7 345 2 1 3.2 1.7 30.9 87.6 -5.9 10 0.1
3750 26.2 79.2 325 1 1 -8.7 -4.8 29.9 85.8 -6.9 11 0.1
3500 25.6 78.1 000 0 0 1.6 0.9 28.7 83.6 -8.2 20 0.1
3400 26.2 79.2 120 1 0 2.0 1.1 28.4 83.2 -8.4 M M
3300 26.2 79.2 120 1 0 2.0 1.1 28.4 83.2 -8.4 M M
3200 24.9 76.8 130 2 1 -37.0 -20.3 26.5 79.7 -10.4 26 0.1
3100 24.9 76.8 130 2 1 -37.0 -20.3 26.5 79.7 -10.4 26 0.1
3000 24.9 76.8 130 2 1 -37.0 -20.3 26.5 79.7 -10.4 26 0.1
2900 22.2 72.0 130 3 2 -9.0 -4.9 23.1 73.5 -13.9 101 0.5
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
08/23/2025 at 0900 MDT | 08/23/2025 at 1200 MDT
|
CAPE... 0.0 LI... +3.1 | CAPE... 0.0 LI... +3.4
CINH... 0.0 K Index... +6.0 | CINH... 0.0 K Index... +8.4
|
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 -52.5 -62.5 255 47 24 6.1 3.4 | -52.4 -62.3 250 45 23 5.9 3.2
38000 -48.8 -55.8 255 46 24 6.2 3.4 | -48.9 -56.0 250 43 22 5.9 3.3
36000 -45.1 -49.2 250 46 23 6.0 3.3 | -45.3 -49.5 245 41 21 5.8 3.2
34000 -40.1 -40.2 255 38 20 7.7 4.2 | -40.1 -40.2 245 35 18 7.9 4.4
32000 -35.4 -31.7 255 31 16 8.2 4.5 | -35.3 -31.5 245 30 16 8.4 4.6
30000 -30.8 -23.4 260 24 12 7.8 4.3 | -30.7 -23.3 240 24 12 7.8 4.3
28000 -26.1 -15.0 265 18 9 8.1 4.4 | -26.0 -14.8 240 18 9 7.9 4.3
26000 -21.3 -6.3 265 16 8 8.1 4.4 | -21.2 -6.2 240 15 8 7.9 4.3
24000 -16.8 1.8 265 16 8 7.0 3.8 | -16.9 1.6 245 16 8 6.6 3.6
22000 -12.6 9.3 260 18 9 5.8 3.2 | -12.9 8.8 250 19 10 5.9 3.3
20000 -9.8 14.4 265 20 10 4.7 2.6 | -9.5 14.9 260 19 10 5.4 3.0
18000 -6.1 21.0 270 20 10 9.0 4.9 | -5.5 22.1 275 16 8 8.5 4.7
16000 -0.7 30.7 270 17 9 9.3 5.1 | -0.4 31.3 280 13 7 8.9 4.9
14000 4.8 40.6 275 14 7 9.3 5.1 | 4.9 40.8 275 10 5 8.9 4.9
12000 10.1 50.2 285 12 6 8.7 4.8 | 10.1 50.2 290 7 4 8.5 4.6
10000 15.1 59.2 330 11 6 7.7 4.2 | 15.2 59.4 355 7 4 8.0 4.4
9000 17.5 63.5 345 9 5 7.6 4.2 | 17.6 63.7 020 7 4 7.5 4.1
8000 19.9 67.8 005 5 3 8.1 4.5 | 20.0 68.0 045 6 3 8.4 4.6
7500 20.7 69.3 020 4 2 4.1 2.2 | 20.8 69.4 060 5 3 4.2 2.3
7000 21.6 70.9 035 3 2 5.5 3.0 | 21.7 71.1 070 5 3 6.4 3.5
6500 22.3 72.1 050 2 1 4.9 2.7 | 22.7 72.9 090 5 2 4.9 2.7
6000 23.3 73.9 105 3 1 3.3 1.8 | 23.3 73.9 125 5 2 -0.2 -0.1
5500 23.2 73.8 130 4 2 -1.7 -0.9 | 23.1 73.6 150 6 3 3.4 1.9
5000 22.6 72.7 145 7 4 -6.1 -3.4 | 23.3 73.9 170 6 3 1.2 0.7
4750 22.1 71.8 150 9 5 -4.2 -2.3 | 23.4 74.1 175 6 3 4.9 2.7
4500 21.9 71.4 150 9 5 -1.6 -0.9 | 24.0 75.2 175 6 3 9.1 5.0
4250 21.7 71.1 150 8 4 -2.7 -1.5 | 24.6 76.3 180 5 3 8.7 4.8
4000 21.5 70.7 150 8 4 -4.6 -2.5 | 25.3 77.5 180 5 3 9.2 5.0
3750 21.3 70.3 150 8 4 0.4 0.2 | 26.0 78.8 185 6 3 9.4 5.2
3500 21.6 70.9 135 4 2 6.1 3.3 | 26.9 80.4 185 5 2 17.9 9.8
3400 21.6 70.9 135 4 2 6.1 3.3 | 26.9 80.4 185 5 2 17.9 9.8
3300 20.9 69.6 125 4 2 -43.6 -23.9 | 29.3 84.7 185 5 3 51.9 28.5
3200 20.9 69.6 125 4 2 -43.6 -23.9 | 29.3 84.7 185 5 3 51.9 28.5
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
08/23/2025 at 1500 MDT | 08/23/2025 at 1800 MDT
|
CAPE... 0.0 LI... +2.2 | CAPE... 0.0 LI... +3.1
CINH... 0.0 K Index... +8.9 | CINH... -0.5 K Index... +13.0
|
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 -52.1 -61.8 250 44 23 6.0 3.3 | -51.9 -61.4 245 46 24 5.7 3.1
38000 -48.5 -55.3 245 43 22 6.0 3.3 | -48.5 -55.3 245 42 22 5.7 3.1
36000 -44.9 -48.8 240 43 22 5.9 3.2 | -45.1 -49.2 240 39 20 5.5 3.0
34000 -39.9 -39.8 240 38 19 7.6 4.2 | -39.9 -39.8 240 32 16 7.8 4.3
32000 -35.3 -31.5 240 33 17 8.3 4.6 | -35.3 -31.5 240 25 13 8.4 4.6
30000 -30.4 -22.7 240 28 15 8.3 4.5 | -30.2 -22.4 240 24 12 8.6 4.7
28000 -25.5 -13.9 245 24 12 7.5 4.1 | -25.2 -13.4 240 23 12 7.2 4.0
26000 -21.0 -5.8 240 18 9 7.6 4.1 | -20.9 -5.6 240 22 11 7.2 4.0
24000 -16.8 1.8 245 14 7 6.5 3.6 | -17.0 1.4 250 19 10 6.0 3.3
22000 -13.0 8.6 270 14 7 6.0 3.3 | -13.4 7.9 275 16 8 6.3 3.4
20000 -9.6 14.7 295 13 7 5.4 2.9 | -9.1 15.6 305 13 7 6.6 3.6
18000 -5.8 21.6 315 12 6 8.3 4.5 | -5.4 22.3 330 13 7 7.8 4.3
16000 -0.8 30.6 310 8 4 8.9 4.9 | -0.6 30.9 350 10 5 8.4 4.6
14000 4.6 40.3 290 5 3 8.8 4.8 | 4.8 40.6 350 7 3 9.2 5.0
12000 9.8 49.6 270 3 2 8.8 4.8 | 10.0 50.0 340 3 2 9.0 4.9
10000 15.2 59.4 060 1 1 8.5 4.7 | 15.4 59.7 275 1 0 8.6 4.7
9000 17.8 64.0 105 2 1 8.2 4.5 | 18.0 64.4 210 1 1 8.3 4.6
8000 20.4 68.7 145 3 1 9.5 5.2 | 20.7 69.3 215 2 1 10.3 5.7
7500 21.4 70.5 175 3 2 5.3 2.9 | 21.7 71.1 220 2 1 5.0 2.7
7000 22.5 72.5 190 3 2 8.0 4.4 | 22.9 73.2 230 3 1 7.6 4.2
6500 24.0 75.2 205 3 2 8.1 4.4 | 24.8 76.6 245 2 1 8.7 4.8
6000 25.1 77.2 215 4 2 6.0 3.3 | 26.0 78.8 255 2 1 8.5 4.7
5500 26.0 78.8 215 4 2 9.5 5.2 | 27.4 81.3 270 3 1 10.1 5.6
5000 27.3 81.1 220 4 2 9.5 5.2 | 28.9 84.0 270 3 1 9.8 5.4
4750 28.0 82.4 220 4 2 9.6 5.3 | 29.6 85.3 275 3 1 9.6 5.2
4500 28.7 83.7 220 4 2 9.8 5.4 | 30.3 86.5 275 3 1 9.6 5.2
4250 29.4 84.9 220 4 2 10.0 5.5 | 31.0 87.8 275 3 1 9.4 5.2
4000 30.2 86.4 225 4 2 10.8 5.9 | 31.8 89.2 275 3 1 9.6 5.3
3750 31.0 87.8 225 4 2 8.7 4.8 | 32.5 90.5 275 3 1 8.8 4.8
3500 31.7 89.1 225 4 2 14.1 7.7 | 33.1 91.6 280 3 1 10.2 5.6
3400 31.7 89.1 225 4 2 14.1 7.7 | 33.1 91.6 280 3 1 10.2 5.6
3300 34.4 93.9 225 4 2 73.8 40.5 | 34.5 94.1 270 3 1 31.7 17.4
3200 34.4 93.9 225 4 2 73.8 40.5 | 34.5 94.1 270 3 1 31.7 17.4
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