Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
266
UXUS97 KBOI 031306
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
706 AM MDT Wednesday, September 3, 2025
This forecast is for Wednesday, September 3, 2025:
If the trigger temperature of 95.8 F/35.5 C is reached...then
Thermal Soaring Index....................... Fair
Maximum rate of lift........................ 267 ft/min (1.4 m/s)
Maximum height of thermals.................. 7536 ft MSL (4675 ft AGL)
Forecast maximum temperature................... 97.0 F/36.6 C
Time of trigger temperature.................... 1600 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................. 4850 ft MSL (1990 ft AGL)
Thermal soaring outlook for Thursday 09/04..... Fair
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 07:11:37 / 20:16:28 MDT
Total possible sunshine........... 13 hr 4 min 52 sec (784 min 52 sec)
Altitude of sun at 13:44:02 MDT... 52.42 degrees
Upper air data from rawinsonde observation taken on 09/03/2025 at 0600 MDT
Freezing level.................. 15534 ft MSL (12673 ft AGL)
Convective condensation level... 17685 ft MSL (14824 ft AGL)
Lifted condensation level....... 16963 ft MSL (14103 ft AGL)
Lifted index.................... +1.2
K index......................... +16.7
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 -58.6 -73.5 235 10 5 9.3 5.1 56.2 133.1 13.1 M M
38000 -53.3 -63.9 215 16 8 9.6 5.3 55.4 131.8 12.9 M M
36000 -48.0 -54.4 240 4 2 6.3 3.5 54.5 130.2 12.7 M M
34000 -42.4 -44.3 245 3 2 8.1 4.4 53.1 127.6 12.0 M M
32000 -38.0 -36.4 225 4 2 8.9 4.9 51.1 124.0 10.8 M M
30000 -33.2 -27.8 205 8 4 5.9 3.2 49.8 121.6 10.1 M M
28000 -27.9 -18.2 190 8 4 9.9 5.4 49.0 120.2 9.7 M M
26000 -23.2 -9.8 175 9 4 7.4 4.0 47.5 117.4 8.8 M M
24000 -19.0 -2.2 180 7 3 7.4 4.0 45.3 113.5 7.3 M M
22000 -14.6 5.7 235 4 2 7.4 4.1 43.6 110.4 6.1 M M
20000 -11.5 11.3 290 7 3 4.8 2.6 40.6 105.0 3.4 M M
18000 -6.7 19.9 265 7 3 8.5 4.7 38.6 101.6 1.7 M M
16000 -1.1 30.0 235 6 3 8.7 4.8 38.6 101.4 1.5 M M
14000 4.6 40.3 220 4 2 10.0 5.5 38.2 100.8 1.3 M M
12000 10.3 50.5 215 4 2 9.1 5.0 38.2 100.8 1.3 M M
10000 15.7 60.3 075 1 0 9.1 5.0 37.8 100.0 0.9 M M
9000 18.4 65.1 140 1 1 9.1 5.0 37.6 99.7 0.7 M M
8000 21.1 70.0 150 5 3 8.0 4.4 37.4 99.3 0.4 M M
7500 22.1 71.8 140 7 4 6.5 3.5 36.9 98.4 0.0 M M
7000 23.1 73.6 135 10 5 6.5 3.5 36.4 97.5 -0.5 223 1.1
6500 24.1 75.4 150 12 6 6.5 3.6 35.9 96.6 -0.9 178 0.9
6000 25.1 77.2 150 8 4 7.3 4.0 35.5 95.8 -1.4 133 0.7
5500 26.1 79.0 145 7 3 7.0 3.8 35.1 95.1 -1.8 88 0.4
5000 27.2 81.0 140 6 3 3.2 1.8 34.7 94.5 -2.3 42 0.2
4750 27.1 80.8 135 7 4 -0.4 -0.2 33.9 93.1 -3.1 36 0.2
4500 27.3 81.1 135 8 4 5.5 3.0 33.4 92.1 -3.6 24 0.1
4250 27.8 82.0 130 9 5 7.4 4.1 33.2 91.7 -3.8 0 0.0
4000 28.4 83.1 130 10 5 6.7 3.7 33.0 91.3 -4.0 M M
3750 28.9 84.0 125 9 5 7.5 4.1 32.7 90.9 -4.2 M M
3500 29.3 84.7 120 7 4 3.1 1.7 32.5 90.5 -4.5 M M
3400 28.5 83.3 120 6 3 -32.3 -17.7 31.0 87.7 -6.1 M M
3300 28.5 83.3 120 6 3 -32.3 -17.7 31.0 87.7 -6.1 M M
3200 24.4 75.9 110 4 2 -63.4 -34.8 26.3 79.3 -11.0 67 0.3
3100 24.4 75.9 110 4 2 -63.4 -34.8 26.3 79.3 -11.0 67 0.3
3000 24.4 75.9 110 4 2 -63.4 -34.8 26.3 79.3 -11.0 67 0.3
2900 23.4 74.1 100 3 2 90.3 49.5 24.6 76.3 -12.7 88 0.4
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
09/03/2025 at 0900 MDT | 09/03/2025 at 1200 MDT
|
CAPE... 0.0 LI... -0.7 | CAPE... 0.0 LI... -0.5
CINH... 0.0 K Index... +20.6 | CINH... 0.0 K Index... +19.5
|
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 -58.3 -72.9 220 3 2 8.2 4.5 | -58.5 -73.3 195 8 4 8.1 4.4
38000 -53.3 -63.9 220 4 2 8.2 4.5 | -53.6 -64.5 195 8 4 8.1 4.4
36000 -48.4 -55.1 220 5 3 8.2 4.5 | -48.8 -55.8 200 7 4 8.0 4.4
34000 -43.4 -46.1 225 5 2 8.3 4.5 | -43.7 -46.7 200 7 4 8.5 4.7
32000 -38.4 -37.1 230 3 2 8.2 4.5 | -38.6 -37.5 200 6 3 8.5 4.7
30000 -33.7 -28.7 215 3 2 7.7 4.2 | -33.7 -28.7 205 6 3 8.0 4.4
28000 -29.1 -20.4 200 4 2 7.8 4.3 | -28.9 -20.0 210 5 2 7.9 4.3
26000 -23.8 -10.8 180 3 2 7.9 4.3 | -23.6 -10.5 185 3 2 7.8 4.3
24000 -19.1 -2.4 180 2 1 7.6 4.1 | -19.0 -2.2 150 2 1 7.5 4.1
22000 -14.6 5.7 240 1 1 6.2 3.4 | -14.6 5.7 050 1 0 6.2 3.4
20000 -11.3 11.7 275 4 2 6.0 3.3 | -11.2 11.8 325 3 2 6.0 3.3
18000 -7.3 18.9 290 4 2 8.3 4.6 | -7.2 19.0 320 3 2 8.1 4.5
16000 -2.2 28.0 310 3 1 9.0 4.9 | -2.2 28.0 355 2 1 8.9 4.9
14000 3.4 38.1 325 2 1 9.7 5.3 | 3.3 37.9 030 2 1 9.3 5.1
12000 9.0 48.2 355 2 1 9.3 5.1 | 8.9 48.0 030 2 1 9.3 5.1
10000 14.6 58.3 010 2 1 9.3 5.1 | 14.3 57.7 005 2 1 8.8 4.8
9000 17.9 64.2 360 2 1 8.6 4.7 | 17.5 63.5 345 2 1 8.2 4.5
8000 20.3 68.5 010 2 1 6.5 3.5 | 20.0 68.0 320 1 1 5.6 3.1
7500 21.0 69.8 350 1 0 4.6 2.5 | 20.7 69.3 300 1 0 6.3 3.5
7000 21.7 71.1 170 1 0 2.4 1.3 | 21.5 70.7 190 1 0 4.0 2.2
6500 22.0 71.6 160 4 2 4.0 2.2 | 22.1 71.8 170 3 1 5.2 2.9
6000 22.5 72.5 160 5 3 1.4 0.8 | 22.8 73.0 160 4 2 2.7 1.5
5500 22.6 72.7 165 8 4 1.4 0.8 | 22.9 73.2 165 6 3 1.2 0.7
5000 22.6 72.7 165 9 4 0.2 0.1 | 23.2 73.8 170 6 3 2.7 1.5
4750 22.7 72.9 165 11 6 0.7 0.4 | 23.4 74.1 175 6 3 4.8 2.6
4500 22.7 72.9 165 10 5 1.6 0.9 | 23.9 75.0 175 6 3 7.3 4.0
4250 22.8 73.0 165 9 4 -0.5 -0.3 | 24.5 76.1 180 5 3 9.1 5.0
4000 22.6 72.7 165 8 4 -3.9 -2.1 | 25.2 77.4 180 5 3 11.0 6.0
3750 22.5 72.5 165 7 4 2.2 1.2 | 26.0 78.8 180 5 3 8.7 4.8
3500 22.8 73.0 145 4 2 2.0 1.1 | 26.6 79.9 185 4 2 11.2 6.2
3400 22.8 73.0 145 4 2 2.0 1.1 | 26.6 79.9 185 4 2 11.2 6.2
3300 22.3 72.1 135 3 2 -14.4 -7.9 | 27.8 82.0 185 5 2 20.9 11.4
3200 22.3 72.1 135 3 2 -14.4 -7.9 | 27.8 82.0 185 5 2 20.9 11.4
3100 22.3 72.1 135 3 2 -14.4 -7.9 | 27.8 82.0 185 5 2 20.9 11.4
3000 21.8 71.2 125 3 1 18.6 10.2 | 29.0 84.2 185 5 2 3.5 1.9
2900 M M M M M M M | M M M M M M M
09/03/2025 at 1500 MDT | 09/03/2025 at 1800 MDT
|
CAPE... +1.5 LI... +0.2 | CAPE... +103.8 LI... -0.6
CINH... -19.3 K Index... +18.9 | CINH... -109.7 K Index... +17.3
|
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 -58.6 -73.5 195 16 8 8.4 4.6 | -58.2 -72.8 210 18 9 7.9 4.3
38000 -53.6 -64.5 205 14 7 8.3 4.6 | -53.4 -64.1 215 16 8 7.9 4.3
36000 -48.6 -55.5 215 12 6 8.3 4.6 | -48.7 -55.7 220 14 7 7.8 4.3
34000 -43.6 -46.5 220 9 5 8.3 4.6 | -43.5 -46.3 220 10 5 8.7 4.8
32000 -38.6 -37.5 220 6 3 8.2 4.5 | -38.3 -36.9 230 7 3 8.6 4.7
30000 -33.7 -28.7 220 5 2 8.1 4.4 | -33.5 -28.3 230 4 2 7.9 4.3
28000 -28.9 -20.0 210 4 2 8.1 4.4 | -28.7 -19.7 205 2 1 8.0 4.4
26000 -23.4 -10.1 165 2 1 8.0 4.4 | -23.3 -9.9 140 2 1 8.0 4.4
24000 -18.8 -1.8 110 2 1 7.4 4.0 | -18.7 -1.7 105 3 1 7.4 4.1
22000 -14.4 6.1 055 3 1 6.6 3.6 | -14.2 6.4 075 4 2 6.8 3.7
20000 -10.7 12.7 005 4 2 6.5 3.6 | -10.4 13.3 050 4 2 6.6 3.6
18000 -6.6 20.1 345 4 2 7.8 4.3 | -6.5 20.3 020 4 2 7.7 4.2
16000 -1.9 28.6 020 2 1 8.3 4.6 | -1.8 28.8 360 4 2 8.4 4.6
14000 3.4 38.1 045 2 1 9.1 5.0 | 3.5 38.3 350 3 1 9.1 5.0
12000 8.9 48.0 030 3 1 9.2 5.0 | 9.0 48.2 340 3 2 9.2 5.1
10000 14.2 57.6 350 3 2 8.6 4.7 | 14.5 58.1 335 5 2 8.8 4.8
9000 17.3 63.1 330 4 2 8.2 4.5 | 17.8 64.0 335 7 4 8.8 4.8
8000 19.8 67.6 310 3 2 6.1 3.4 | 20.6 69.1 335 8 4 6.8 3.7
7500 20.6 69.1 300 4 2 7.2 4.0 | 21.5 70.7 330 8 4 8.4 4.6
7000 21.6 70.9 285 4 2 4.0 2.2 | 22.7 72.9 330 9 4 8.3 4.6
6500 22.3 72.1 280 4 2 8.3 4.5 | 23.7 74.7 325 9 4 6.6 3.6
6000 23.4 74.1 280 5 2 5.1 2.8 | 24.7 76.5 325 9 4 6.5 3.6
5500 24.2 75.6 280 5 3 9.0 4.9 | 25.7 78.3 325 8 4 8.8 4.8
5000 25.4 77.7 280 6 3 8.0 4.4 | 26.9 80.4 320 8 4 8.0 4.4
4750 26.0 78.8 280 6 3 9.3 5.1 | 27.5 81.5 320 8 4 9.0 5.0
4500 26.8 80.2 280 6 3 11.5 6.3 | 28.3 82.9 320 8 4 10.8 5.9
4250 27.7 81.9 280 6 3 10.0 5.5 | 29.0 84.2 320 8 4 9.7 5.3
4000 28.3 82.9 280 6 3 8.3 4.6 | 29.7 85.5 320 8 4 8.6 4.7
3750 29.0 84.2 280 7 3 10.0 5.5 | 30.4 86.7 315 8 4 9.5 5.2
3500 29.9 85.8 280 6 3 14.4 7.9 | 31.1 88.0 315 7 4 10.8 5.9
3400 29.9 85.8 280 6 3 14.4 7.9 | 31.1 88.0 315 7 4 10.8 5.9
3300 31.1 88.0 280 6 3 18.4 10.1 | 31.9 89.4 315 7 3 10.4 5.7
3200 31.1 88.0 280 6 3 18.4 10.1 | 31.9 89.4 315 7 3 10.4 5.7
3100 31.1 88.0 280 6 3 18.4 10.1 | 31.9 89.4 315 7 3 10.4 5.7
3000 32.4 90.3 280 7 3 15.6 8.5 | 32.7 90.9 315 7 3 12.4 6.8
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