Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
615
UXUS97 KBOI 061305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
705 AM MDT Saturday, September 6, 2025
This forecast is for Saturday, September 6, 2025:
If the trigger temperature of 86.2 F/30.1 C is reached...then
Thermal Soaring Index....................... Good
Maximum rate of lift........................ 478 ft/min (2.4 m/s)
Maximum height of thermals.................. 7571 ft MSL (4710 ft AGL)
Forecast maximum temperature................... 87.0 F/31.0 C
Time of trigger temperature.................... 1745 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................. 3780 ft MSL (919 ft AGL)
Thermal soaring outlook for Sunday 09/07....... Good
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 07:14:57 / 20:11:07 MDT
Total possible sunshine........... 12 hr 56 min 10 sec (776 min 10 sec)
Altitude of sun at 13:43:02 MDT... 51.39 degrees
Upper air data from rawinsonde observation taken on 09/06/2025 at 0600 MDT
Freezing level.................. 14154 ft MSL (11293 ft AGL)
Convective condensation level... 14865 ft MSL (12004 ft AGL)
Lifted condensation level....... 13573 ft MSL (10712 ft AGL)
Lifted index.................... +0.9
K index......................... +25.7
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 -59.7 -75.5 180 16 8 6.3 3.4 55.6 132.1 16.3 M M
38000 -54.8 -66.6 190 20 10 8.5 4.6 54.0 129.2 15.6 M M
36000 -49.4 -56.9 185 26 13 8.8 4.8 53.3 128.0 15.6 M M
34000 -44.6 -48.3 175 25 13 8.2 4.5 52.0 125.6 15.1 M M
32000 -38.4 -37.1 185 31 16 9.3 5.1 51.6 124.8 15.2 M M
30000 -33.8 -28.8 170 23 12 6.2 3.4 49.9 121.8 14.3 M M
28000 -28.9 -20.0 165 21 11 10.7 5.8 48.6 119.5 13.6 M M
26000 -25.2 -13.4 160 19 10 3.9 2.2 45.9 114.6 11.8 M M
24000 -20.6 -5.1 180 17 9 9.3 5.1 44.3 111.8 10.8 M M
22000 -16.6 2.1 140 15 8 7.6 4.1 42.1 107.8 9.1 M M
20000 -12.7 9.1 160 10 5 3.9 2.1 40.0 104.0 7.5 M M
18000 -8.2 17.2 150 10 5 8.3 4.5 38.3 101.0 6.2 M M
16000 -3.9 25.0 170 12 6 6.7 3.7 35.9 96.7 4.1 M M
14000 0.6 33.1 185 6 3 9.1 5.0 34.6 94.3 2.8 M M
12000 5.7 42.3 200 5 3 8.1 4.4 33.8 92.9 2.1 M M
10000 10.6 51.1 000 0 0 8.2 4.5 32.9 91.2 1.3 M M
9000 13.1 55.6 315 8 4 7.9 4.3 32.4 90.4 0.8 M M
8000 15.4 59.7 305 9 5 7.9 4.3 31.9 89.4 0.3 M M
7500 16.6 61.9 295 10 5 7.9 4.3 31.6 88.8 -0.0 274 1.4
7000 17.7 63.9 285 12 6 7.9 4.3 31.3 88.3 -0.3 224 1.1
6500 18.9 66.0 285 13 7 7.9 4.3 31.0 87.8 -0.6 174 0.9
6000 20.1 68.2 290 13 7 7.9 4.3 30.7 87.3 -0.9 125 0.6
5500 21.2 70.2 300 12 6 7.9 4.3 30.4 86.7 -1.2 75 0.4
5000 22.4 72.3 295 10 5 7.8 4.3 30.1 86.2 -1.5 25 0.1
4750 22.9 73.2 295 9 5 7.2 4.0 29.9 85.8 -1.7 1 0.0
4500 23.5 74.3 300 7 4 7.1 3.9 29.7 85.5 -1.9 M M
4250 24.0 75.2 300 6 3 6.4 3.5 29.5 85.1 -2.1 M M
4000 24.4 75.9 310 4 2 4.8 2.6 29.2 84.5 -2.5 M M
3750 24.7 76.5 330 2 1 4.2 2.3 28.8 83.8 -2.9 M M
3500 25.0 77.0 010 2 1 5.1 2.8 28.3 83.0 -3.3 M M
3400 25.3 77.5 045 3 1 2.1 1.2 27.9 82.3 -3.7 M M
3300 25.3 77.5 045 3 1 2.1 1.2 27.9 82.3 -3.7 M M
3200 24.7 76.5 060 4 2 -22.9 -12.5 26.6 79.9 -5.1 M M
3100 24.7 76.5 060 4 2 -22.9 -12.5 26.6 79.9 -5.1 M M
3000 24.7 76.5 060 4 2 -22.9 -12.5 26.6 79.9 -5.1 M M
2900 20.4 68.7 070 5 3 -99.3 -54.5 21.8 71.2 -10.2 18 0.1
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
09/06/2025 at 0900 MDT | 09/06/2025 at 1200 MDT
|
CAPE... 0.0 LI... -1.4 | CAPE... +23.3 LI... -0.9
CINH... 0.0 K Index... +29.5 | CINH... -107.7 K Index... +30.4
|
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 -57.6 -71.7 165 22 11 4.7 2.6 | -58.4 -73.1 185 31 16 4.4 2.4
38000 -53.9 -65.0 170 25 13 6.3 3.4 | -54.2 -65.6 175 33 17 6.9 3.8
36000 -50.1 -58.2 170 28 14 6.3 3.5 | -50.1 -58.2 170 35 18 6.9 3.8
34000 -45.2 -49.4 170 29 15 9.0 5.9 | -45.3 -49.5 170 35 18 8.4 4.6
32000 -39.8 -39.6 175 29 15 9.1 5.0 | -40.3 -40.5 180 33 17 8.4 4.6
30000 -34.7 -30.5 175 28 15 8.1 4.4 | -35.4 -31.7 180 30 16 7.9 4.3
28000 -29.9 -21.8 175 28 14 8.2 4.5 | -30.7 -23.3 185 27 14 8.0 4.4
26000 -25.3 -13.5 170 24 12 6.7 3.7 | -25.6 -14.1 180 23 12 7.6 4.1
24000 -21.4 -6.5 170 21 11 6.5 3.6 | -21.3 -6.3 175 20 10 6.6 3.6
22000 -17.5 0.5 170 18 9 6.5 3.6 | -17.4 0.7 170 18 10 6.7 3.7
20000 -13.6 7.5 170 14 7 6.7 3.7 | -13.3 8.1 165 16 8 7.0 3.8
18000 -9.5 14.9 175 12 6 7.5 4.1 | -9.3 15.3 160 13 7 6.9 3.8
16000 -5.1 22.8 180 12 6 7.5 4.1 | -5.5 22.1 175 11 6 6.5 3.6
14000 -0.6 30.9 195 10 5 7.7 4.2 | -1.2 29.8 195 7 4 7.4 4.1
12000 4.5 40.1 215 6 3 9.2 5.1 | 3.5 38.3 210 5 2 8.7 4.8
10000 9.9 49.8 230 4 2 8.6 4.7 | 8.7 47.7 225 4 2 8.8 4.8
9000 13.0 55.4 245 3 2 8.2 4.5 | 12.0 53.6 235 4 2 8.8 4.9
8000 15.6 60.1 255 3 2 8.3 4.6 | 14.6 58.3 220 4 2 8.2 4.5
7500 16.5 61.7 250 3 2 6.2 3.4 | 15.6 60.1 230 4 2 6.7 3.7
7000 17.5 63.5 250 3 2 7.5 4.1 | 16.7 62.1 210 4 2 7.4 4.1
6500 18.6 65.5 240 3 1 6.4 3.5 | 17.7 63.9 210 4 2 6.6 3.6
6000 19.4 66.9 215 3 1 6.8 3.7 | 18.7 65.7 190 5 3 6.9 3.8
5500 20.2 68.4 175 4 2 3.1 1.7 | 19.6 67.3 175 7 4 5.6 3.1
5000 20.7 69.3 155 6 3 5.1 2.8 | 20.4 68.7 175 7 4 6.2 3.4
4750 21.1 70.0 155 6 3 5.0 2.8 | 20.9 69.6 165 9 4 7.8 4.3
4500 21.3 70.3 145 7 4 1.4 0.8 | 21.6 70.9 165 8 4 8.6 4.7
4250 21.4 70.5 140 8 4 1.6 0.9 | 22.2 72.0 170 7 3 8.8 4.9
4000 21.5 70.7 135 8 4 2.1 1.1 | 22.9 73.2 165 7 4 9.0 4.9
3750 21.7 71.1 130 7 4 1.3 0.7 | 23.5 74.3 160 8 4 9.3 5.1
3500 21.7 71.1 120 6 3 -1.7 -0.9 | 24.3 75.7 160 6 3 11.2 6.2
3400 21.7 71.1 120 6 3 -1.7 -0.9 | 24.3 75.7 160 6 3 11.2 6.2
3300 21.4 70.5 110 5 3 -5.8 -3.2 | 25.2 77.4 160 6 3 14.2 7.8
3200 21.4 70.5 110 5 3 -5.8 -3.2 | 25.2 77.4 160 6 3 14.2 7.8
3100 21.4 70.5 110 5 3 -5.8 -3.2 | 25.2 77.4 160 6 3 14.2 7.8
3000 20.8 69.4 105 5 3 -12.5 -6.8 | 26.3 79.3 160 6 3 15.2 8.3
2900 M M M M M M M | M M M M M M M
09/06/2025 at 1500 MDT | 09/06/2025 at 1800 MDT
|
CAPE... +137.7 LI... -0.9 | CAPE... +48.1 LI... -0.8
CINH... -19.7 K Index... +30.5 | CINH... -101.7 K Index... +26.4
|
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 -57.1 -70.8 210 30 15 2.7 1.5 | -56.9 -70.4 230 32 17 3.1 1.7
38000 -53.8 -64.8 205 31 16 5.5 3.0 | -53.6 -64.5 225 31 16 5.6 3.1
36000 -50.5 -58.9 200 33 17 5.5 3.0 | -49.9 -57.8 220 30 15 5.6 3.1
34000 -45.6 -50.1 200 32 17 8.4 4.6 | -45.4 -49.7 220 28 14 8.2 4.5
32000 -40.5 -40.9 200 30 16 8.4 4.6 | -40.5 -40.9 220 26 14 8.3 4.5
30000 -35.7 -32.3 205 28 14 7.9 4.3 | -35.5 -31.9 220 25 13 8.3 4.6
28000 -31.0 -23.8 205 24 13 7.9 4.4 | -30.5 -22.9 225 25 13 8.4 4.6
26000 -26.2 -15.2 200 21 11 8.2 4.5 | -26.0 -14.8 225 22 11 7.5 4.1
24000 -21.5 -6.7 190 19 10 7.0 3.8 | -21.5 -6.7 220 19 10 7.5 4.1
22000 -16.9 1.6 180 20 10 7.0 3.8 | -16.5 2.3 210 18 9 7.3 4.0
20000 -13.0 8.6 175 18 9 6.7 3.7 | -12.8 9.0 215 15 8 6.3 3.4
18000 -9.2 15.4 165 15 8 6.6 3.6 | -9.1 15.6 225 13 7 6.8 3.7
16000 -5.3 22.5 165 10 5 6.5 3.6 | -4.9 23.2 235 12 6 7.6 4.2
14000 -1.0 30.2 170 5 3 7.5 4.1 | -0.2 31.6 235 10 5 8.1 4.4
12000 3.2 37.8 235 3 1 7.7 4.2 | 4.7 40.5 230 8 4 8.6 4.7
10000 7.9 46.2 270 4 2 8.3 4.6 | 9.7 49.5 220 5 2 8.1 4.4
9000 10.4 50.7 275 5 3 9.0 4.9 | 12.1 53.8 200 3 2 8.3 4.5
8000 13.8 56.8 285 5 3 8.3 4.5 | 15.4 59.7 155 2 1 8.1 4.4
7500 14.9 58.8 275 5 3 8.4 4.6 | 16.3 61.3 125 2 1 7.6 4.2
7000 16.2 61.2 265 4 2 7.2 3.9 | 17.5 63.5 110 2 1 9.0 4.9
6500 17.4 63.3 265 4 2 10.3 5.7 | 18.8 65.8 085 3 2 7.8 4.3
6000 18.9 66.0 255 4 2 8.3 4.5 | 20.0 68.0 075 4 2 8.2 4.5
5500 20.2 68.4 245 2 1 10.8 5.9 | 21.3 70.3 070 5 3 9.0 4.9
5000 21.7 71.1 235 3 1 7.9 4.3 | 22.6 72.7 065 6 3 8.0 4.4
4750 22.2 72.0 195 2 1 8.4 4.6 | 23.2 73.8 065 7 3 7.7 4.2
4500 23.0 73.4 210 2 1 12.2 6.7 | 23.8 74.8 065 6 3 8.9 4.9
4250 23.9 75.0 230 2 1 10.3 5.7 | 24.4 75.9 065 6 3 8.8 4.8
4000 24.5 76.1 205 2 1 7.6 4.2 | 25.0 77.0 065 6 3 8.5 4.7
3750 25.1 77.2 175 3 1 9.8 5.4 | 25.7 78.3 070 6 3 9.1 5.0
3500 26.0 78.8 195 2 1 13.0 7.1 | 26.4 79.5 070 6 3 10.3 5.7
3400 26.0 78.8 195 2 1 13.0 7.1 | 26.4 79.5 070 6 3 10.3 5.7
3300 26.9 80.4 205 2 1 13.0 7.1 | 27.2 81.0 065 5 3 11.1 6.1
3200 26.9 80.4 205 2 1 13.0 7.1 | 27.2 81.0 065 5 3 11.1 6.1
3100 26.9 80.4 205 2 1 13.0 7.1 | 27.2 81.0 065 5 3 11.1 6.1
3000 27.9 82.2 185 3 1 15.8 8.6 | 28.0 82.4 065 5 3 13.3 7.3
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