Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
692
UXUS97 KBOI 021305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
705 AM MDT Tuesday, September 2, 2025
This forecast is for Tuesday, September 2, 2025:
If the trigger temperature of 96.1 F/35.6 C is reached...then
Thermal Soaring Index....................... Good
Maximum rate of lift........................ 797 ft/min (4.1 m/s)
Maximum height of thermals.................. 12086 ft MSL (9225 ft AGL)
Forecast maximum temperature................... 98.0 F/37.1 C
Time of trigger temperature.................... 1530 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................. 4322 ft MSL (1461 ft AGL)
Thermal soaring outlook for Wednesday 09/03.... Excellent
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 07:10:30 / 20:18:14 MDT
Total possible sunshine........... 13 hr 7 min 44 sec (787 min 44 sec)
Altitude of sun at 13:44:22 MDT... 52.76 degrees
Upper air data from rawinsonde observation taken on 09/02/2025 at 0600 MDT
Freezing level.................. 15246 ft MSL (12385 ft AGL)
Convective condensation level... 18142 ft MSL (15281 ft AGL)
Lifted condensation level....... 17931 ft MSL (15071 ft AGL)
Lifted index.................... +0.9
K index......................... +18.2
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 -58.0 -72.4 250 39 20 -2.4 -1.3 57.5 135.5 13.6 M M
38000 -54.1 -65.4 250 32 17 8.6 4.7 54.5 130.2 12.0 M M
36000 -49.8 -57.6 250 29 15 6.6 3.6 52.4 126.3 10.8 M M
34000 -44.3 -47.7 265 25 13 10.0 5.5 50.7 123.3 9.9 M M
32000 -39.9 -39.8 270 23 12 11.0 6.0 48.7 119.7 8.7 M M
30000 -34.0 -29.2 265 24 12 9.6 5.3 48.8 119.8 9.0 M M
28000 -28.5 -19.3 260 19 10 8.8 4.9 48.4 119.1 8.9 M M
26000 -23.4 -10.1 275 17 9 8.4 4.6 47.3 117.2 8.3 M M
24000 -19.1 -2.4 280 15 8 7.9 4.3 45.4 113.7 6.9 M M
22000 -14.7 5.5 275 12 6 4.5 2.5 43.6 110.4 5.6 M M
20000 -12.2 10.0 245 16 8 -5.3 -2.9 39.6 103.3 2.3 M M
18000 -7.6 18.3 235 15 8 8.3 4.5 37.7 99.9 0.4 M M
16000 -1.9 28.6 225 9 5 9.6 5.3 37.6 99.7 0.2 M M
14000 3.8 38.8 180 6 3 9.6 5.3 37.5 99.6 0.2 M M
12000 9.5 49.1 145 10 5 9.3 5.1 37.3 99.2 -0.0 784 4.0
10000 15.0 59.0 155 14 7 9.1 5.0 37.0 98.7 -0.4 561 2.9
9000 17.7 63.9 155 17 9 9.1 5.0 36.9 98.4 -0.5 450 2.3
8000 20.4 68.7 150 17 9 9.1 5.0 36.7 98.0 -0.7 338 1.7
7500 21.8 71.2 150 17 9 9.1 5.0 36.5 97.8 -0.9 283 1.4
7000 23.2 73.8 145 18 9 9.1 5.0 36.4 97.6 -1.0 227 1.2
6500 24.5 76.1 145 18 9 8.9 4.9 36.3 97.4 -1.1 171 0.9
6000 25.6 78.1 145 18 9 5.7 3.1 35.9 96.6 -1.5 124 0.6
5500 26.5 79.7 145 18 9 6.0 3.3 35.3 95.6 -2.1 83 0.4
5000 27.4 81.3 140 17 9 7.0 3.9 34.7 94.5 -2.6 41 0.2
4750 28.0 82.4 135 17 9 8.4 4.6 34.6 94.3 -2.7 15 0.1
4500 28.6 83.5 135 17 9 8.4 4.6 34.5 94.1 -2.9 M M
4250 29.2 84.6 125 16 8 6.9 3.8 34.4 93.9 -3.0 M M
4000 29.6 85.3 115 16 8 4.3 2.3 34.0 93.3 -3.3 M M
3750 30.0 86.0 105 16 8 8.2 4.5 33.7 92.7 -3.7 M M
3500 30.4 86.7 100 15 8 -5.0 -2.7 33.4 92.1 -4.0 M M
3400 28.8 83.8 100 11 6 -35.7 -19.6 31.0 87.9 -6.4 M M
3300 28.8 83.8 100 11 6 -35.7 -19.6 31.0 87.9 -6.4 M M
3200 25.5 77.9 095 7 4 -40.3 -22.1 27.2 80.9 -10.4 39 0.2
3100 25.5 77.9 095 7 4 -40.3 -22.1 27.2 80.9 -10.4 39 0.2
3000 25.5 77.9 095 7 4 -40.3 -22.1 27.2 80.9 -10.4 39 0.2
2900 23.6 74.5 080 3 2 3.6 2.0 24.7 76.5 -13.1 88 0.4
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
09/02/2025 at 0900 MDT | 09/02/2025 at 1200 MDT
|
CAPE... 0.0 LI... -0.9 | CAPE... 0.0 LI... -0.5
CINH... -1.6 K Index... +21.7 | CINH... -2.5 K Index... +21.5
|
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 -57.4 -71.3 250 30 15 7.4 4.1 | -57.2 -71.0 255 25 13 7.2 3.9
38000 -53.3 -63.9 255 28 14 6.9 3.8 | -53.2 -63.8 260 23 12 6.7 3.7
36000 -49.2 -56.6 260 26 13 6.9 3.8 | -48.7 -55.7 265 20 10 6.7 3.7
34000 -44.2 -47.6 265 22 11 7.6 4.2 | -44.1 -47.4 265 17 9 7.7 4.2
32000 -39.7 -39.5 265 19 10 7.4 4.1 | -39.5 -39.1 270 14 7 7.6 4.2
30000 -34.6 -30.3 270 15 8 8.7 4.8 | -34.5 -30.1 270 11 6 8.5 4.7
28000 -29.4 -20.9 275 13 6 8.4 4.6 | -29.4 -20.9 270 8 4 8.5 4.7
26000 -24.4 -11.9 280 12 6 8.3 4.5 | -24.3 -11.7 270 7 4 8.5 4.7
24000 -19.9 -3.8 280 11 6 6.8 3.7 | -19.5 -3.1 270 7 4 7.1 3.9
22000 -15.8 3.6 280 10 5 6.4 3.5 | -14.8 5.4 270 7 3 5.6 3.0
20000 -12.2 10.0 255 12 6 5.8 3.2 | -11.6 11.1 250 9 5 5.9 3.2
18000 -8.1 17.4 240 14 7 8.9 4.9 | -7.8 18.0 230 11 6 8.6 4.7
16000 -2.7 27.1 220 9 5 9.6 5.3 | -2.5 27.5 215 11 6 9.7 5.3
14000 3.0 37.4 190 8 4 9.8 5.4 | 3.2 37.8 200 10 5 9.6 5.3
12000 8.7 47.7 170 8 4 9.3 5.1 | 8.8 47.8 190 10 5 9.1 5.0
10000 14.1 57.4 165 9 4 8.5 4.7 | 14.1 57.4 185 9 4 8.8 4.8
9000 16.5 61.7 165 8 4 8.2 4.5 | 16.7 62.1 175 7 4 8.5 4.7
8000 19.4 66.9 150 8 4 5.7 3.1 | 19.7 67.5 150 7 4 5.4 3.0
7500 20.1 68.2 145 9 5 6.1 3.3 | 20.4 68.7 145 7 4 6.3 3.5
7000 21.0 69.8 140 9 5 4.5 2.4 | 21.3 70.3 135 8 4 4.1 2.3
6500 21.7 71.1 140 10 5 6.7 3.7 | 22.0 71.6 135 9 5 7.4 4.1
6000 22.7 72.9 140 11 6 4.1 2.3 | 23.0 73.4 140 9 5 4.8 2.7
5500 23.2 73.8 145 12 6 4.0 2.2 | 23.6 74.5 140 9 4 4.6 2.5
5000 23.4 74.1 145 10 5 -1.7 -0.9 | 23.8 74.8 140 5 3 -1.9 -1.1
4750 23.2 73.8 150 9 4 -1.6 -0.9 | 23.7 74.7 140 3 2 0.6 0.3
4500 23.1 73.6 150 7 4 -2.2 -1.2 | 23.9 75.0 145 3 1 4.4 2.4
4250 22.8 73.0 150 5 3 -4.7 -2.6 | 24.2 75.6 150 2 1 6.5 3.6
4000 22.3 72.1 160 3 2 -8.2 -4.5 | 24.7 76.5 155 2 1 6.6 3.6
3750 21.8 71.2 185 1 1 -0.4 -0.2 | 25.2 77.4 170 1 1 9.3 5.1
3500 22.0 71.6 070 1 1 2.6 1.4 | 26.1 79.0 170 2 1 13.4 7.4
3400 22.0 71.6 070 1 1 2.6 1.4 | 26.1 79.0 170 2 1 13.4 7.4
3300 21.6 70.9 045 2 1 -13.5 -7.4 | 27.0 80.6 175 1 1 11.4 6.3
3200 21.6 70.9 045 2 1 -13.5 -7.4 | 27.0 80.6 175 1 1 11.4 6.3
3100 21.6 70.9 045 2 1 -13.5 -7.4 | 27.0 80.6 175 1 1 11.4 6.3
3000 21.1 70.0 030 2 1 21.6 11.9 | 28.0 82.4 185 1 1 17.7 9.7
2900 M M M M M M M | M M M M M M M
09/02/2025 at 1500 MDT | 09/02/2025 at 1800 MDT
|
CAPE... +34.9 LI... +0.2 | CAPE... +50.1 LI... +0.3
CINH... -41.6 K Index... +21.7 | CINH... -82.9 K Index... +18.0
|
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 -57.0 -70.6 250 22 11 7.0 3.8 | -57.5 -71.5 245 21 11 7.5 4.1
38000 -53.0 -63.4 250 19 10 6.6 3.6 | -53.2 -63.8 245 20 10 7.2 4.0
36000 -48.6 -55.5 255 16 8 6.6 3.6 | -48.8 -55.8 240 18 9 7.2 4.0
34000 -43.8 -46.8 255 14 7 8.1 4.4 | -43.4 -46.1 245 16 8 8.3 4.5
32000 -39.0 -38.2 260 13 7 8.0 4.4 | -38.4 -37.1 250 13 7 8.5 4.7
30000 -34.2 -29.6 260 10 5 8.1 4.5 | -33.7 -28.7 245 10 5 7.8 4.3
28000 -29.3 -20.7 255 7 3 8.4 4.6 | -29.0 -20.2 240 7 4 8.2 4.5
26000 -24.2 -11.6 255 7 4 8.4 4.6 | -24.1 -11.4 255 7 4 8.3 4.6
24000 -19.5 -3.1 255 8 4 7.4 4.1 | -19.3 -2.7 260 7 3 7.7 4.2
22000 -14.5 5.9 260 7 4 6.3 3.5 | -14.7 5.5 265 6 3 7.4 4.0
20000 -10.8 12.6 245 7 3 6.4 3.5 | -10.0 14.0 260 5 3 7.0 3.8
18000 -7.1 19.2 220 7 3 8.0 4.4 | -5.9 21.4 240 4 2 7.0 3.8
16000 -2.2 28.0 210 7 4 9.2 5.0 | -1.5 29.3 210 3 2 8.3 4.5
14000 3.3 37.9 210 7 3 9.4 5.2 | 3.6 38.5 190 2 1 9.2 5.1
12000 8.8 47.8 210 5 3 9.2 5.0 | 9.1 48.4 000 0 0 9.3 5.1
10000 14.2 57.6 190 3 2 8.9 4.9 | 14.6 58.3 025 2 1 9.2 5.0
9000 16.8 62.2 165 3 1 8.9 4.9 | 17.3 63.1 020 3 1 9.1 5.0
8000 20.4 68.7 140 4 2 6.2 3.4 | 20.1 68.2 015 3 2 11.5 6.3
7500 21.2 70.2 135 4 2 8.4 4.6 | 21.9 71.4 360 4 2 9.5 5.2
7000 22.4 72.3 130 3 2 6.1 3.4 | 23.2 73.8 355 4 2 7.8 4.3
6500 23.3 73.9 130 2 1 8.2 4.5 | 24.3 75.7 350 4 2 9.5 5.2
6000 24.4 75.9 130 1 0 6.6 3.6 | 25.7 78.3 340 4 2 7.6 4.2
5500 25.4 77.7 000 0 0 7.9 4.4 | 26.9 80.4 335 5 3 11.0 6.0
5000 26.6 79.9 265 1 0 9.5 5.2 | 28.4 83.1 330 5 3 9.8 5.4
4750 27.4 81.3 265 1 0 9.8 5.4 | 29.2 84.6 325 6 3 9.5 5.2
4500 28.1 82.6 275 1 1 10.2 5.6 | 29.9 85.8 325 5 3 9.5 5.2
4250 28.8 83.8 275 1 1 9.9 5.5 | 30.6 87.1 325 5 3 9.5 5.2
4000 29.6 85.3 275 1 1 10.0 5.5 | 31.3 88.3 320 6 3 9.6 5.2
3750 30.3 86.5 270 1 1 9.5 5.2 | 32.0 89.6 320 6 3 9.3 5.1
3500 31.1 88.0 275 2 1 13.0 7.2 | 32.7 90.9 320 5 3 9.9 5.4
3400 31.1 88.0 275 2 1 13.0 7.2 | 32.7 90.9 320 5 3 9.9 5.4
3300 32.3 90.1 275 2 1 20.5 11.2 | 33.5 92.3 320 5 3 11.9 6.5
3200 32.3 90.1 275 2 1 20.5 11.2 | 33.5 92.3 320 5 3 11.9 6.5
3100 32.3 90.1 275 2 1 20.5 11.2 | 33.5 92.3 320 5 3 11.9 6.5
3000 33.6 92.5 275 1 1 7.1 3.9 | 34.3 93.7 320 5 3 9.1 5.0
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