Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
412
UXUS97 KBOI 041305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
705 AM MDT Saturday, October 4, 2025
This forecast is for Saturday, October 4, 2025:
If the trigger temperature of 63.5 F/17.5 C is reached...then
Thermal Soaring Index....................... Fair
Maximum rate of lift........................ 208 ft/min (1.1 m/s)
Maximum height of thermals.................. 6950 ft MSL (4089 ft AGL)
Forecast maximum temperature................... 64.0 F/18.2 C
Time of trigger temperature.................... 1645 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................. 5205 ft MSL (2344 ft AGL)
Thermal soaring outlook for Sunday 10/05....... Fair
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 07:46:35 / 19:20:12 MDT
Total possible sunshine........... 11 hr 33 min 37 sec (693 min 37 sec)
Altitude of sun at 13:33:24 MDT... 41.19 degrees
Upper air data from rawinsonde observation taken on 10/04/2025 at 0600 MDT
Freezing level.................. 10300 ft MSL (7439 ft AGL)
Convective condensation level... 10753 ft MSL (7892 ft AGL)
Lifted condensation level....... 8893 ft MSL (6032 ft AGL)
Lifted index.................... +6.3
K index......................... +24.0
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 -51.5 -60.7 355 24 12 -4.2 -2.3 71.7 161.1 34.7 M M
38000 -51.5 -60.7 340 43 22 -28.1 -15.4 62.8 145.0 29.7 M M
36000 -52.0 -61.6 360 39 20 7.1 3.9 53.2 127.8 24.0 M M
34000 -48.8 -55.8 350 47 24 7.7 4.2 48.4 119.1 21.4 M M
32000 -43.8 -46.8 015 38 20 9.4 5.2 47.1 116.8 21.0 M M
30000 -39.5 -39.1 005 38 19 0.4 0.2 45.0 113.0 20.0 M M
28000 -35.3 -31.5 015 19 10 8.7 4.8 42.7 108.8 18.7 M M
26000 -31.1 -24.0 070 13 7 -0.2 -0.1 40.7 105.2 17.7 M M
24000 -26.5 -15.7 040 18 9 6.7 3.7 39.0 102.2 16.7 M M
22000 -21.7 -7.1 015 23 12 8.6 4.7 37.8 100.0 16.1 M M
20000 -16.6 2.1 020 15 8 7.8 4.3 36.9 98.4 15.7 M M
18000 -13.1 8.4 360 19 10 1.3 0.7 33.3 91.9 13.0 M M
16000 -10.7 12.7 040 17 9 1.5 0.8 29.4 84.9 9.8 M M
14000 -7.7 18.1 015 11 6 6.2 3.4 26.5 79.6 7.2 M M
12000 -4.0 24.8 020 15 8 7.7 4.2 24.2 75.5 5.1 M M
10000 0.8 33.4 015 14 7 8.7 4.8 23.1 73.6 4.2 M M
9000 3.4 38.1 015 17 9 10.1 5.5 22.8 73.1 3.9 M M
8000 4.1 39.4 005 19 10 4.0 2.2 20.5 68.8 1.7 M M
7500 5.2 41.4 360 19 10 10.8 5.9 20.1 68.2 1.4 M M
7000 5.6 42.1 350 19 10 -2.7 -1.5 19.1 66.3 0.3 M M
6500 5.7 42.3 345 19 10 3.6 2.0 17.7 63.9 -1.0 191 1.0
6000 6.4 43.5 335 20 10 5.1 2.8 16.9 62.5 -1.8 156 0.8
5500 7.2 45.0 340 23 12 5.0 2.8 16.2 61.1 -2.5 118 0.6
5000 7.9 46.2 345 26 13 4.9 2.7 15.5 59.8 -3.2 80 0.4
4750 8.3 46.9 335 26 13 5.3 2.9 15.1 59.2 -3.5 61 0.3
4500 8.8 47.8 335 26 14 5.6 3.1 14.8 58.6 -3.8 41 0.2
4250 9.2 48.6 330 27 14 6.0 3.3 14.5 58.1 -4.1 20 0.1
4000 9.7 49.5 330 27 14 7.3 4.0 14.3 57.7 -4.4 M M
3750 10.1 50.2 325 27 14 4.6 2.5 14.0 57.2 -4.7 M M
3500 10.1 50.2 320 27 14 -7.0 -3.8 13.3 55.9 -5.5 M M
3400 9.4 48.9 320 24 12 -2.7 -1.5 11.9 53.4 -6.9 M M
3300 9.4 48.9 320 24 12 -2.7 -1.5 11.9 53.4 -6.9 M M
3200 10.1 50.2 310 16 8 21.3 11.7 11.9 53.4 -6.9 M M
3100 10.1 50.2 310 16 8 21.3 11.7 11.9 53.4 -6.9 M M
3000 10.1 50.2 310 16 8 21.3 11.7 11.9 53.4 -6.9 M M
2900 10.8 51.4 290 10 5 -24.3 -13.4 11.9 53.4 -7.0 M M
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
10/04/2025 at 0900 MDT | 10/04/2025 at 1200 MDT
|
CAPE... 0.0 LI... +4.8 | CAPE... 0.0 LI... +5.4
CINH... 0.0 K Index... +15.9 | CINH... 0.0 K Index... +9.7
|
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 -53.8 -64.8 300 26 14 0.0 0.0 | -52.2 -62.0 280 30 15 0.5 0.3
38000 -52.8 -63.0 305 29 15 2.6 1.4 | -51.7 -61.1 280 30 15 1.0 0.6
36000 -51.2 -60.2 310 33 17 2.6 1.4 | -51.1 -60.0 285 31 16 1.0 0.6
34000 -48.9 -56.0 315 35 18 7.4 4.1 | -49.7 -57.5 290 31 16 6.8 3.8
32000 -44.3 -47.7 315 30 16 7.6 4.2 | -45.6 -50.1 295 27 14 6.9 3.8
30000 -39.8 -39.6 325 26 14 7.3 4.0 | -41.3 -42.3 300 23 12 7.5 4.1
28000 -35.4 -31.7 330 25 13 7.4 4.0 | -36.8 -34.2 300 20 10 7.6 4.2
26000 -30.7 -23.3 335 21 11 6.7 3.7 | -32.4 -26.3 305 18 9 7.2 4.0
24000 -26.6 -15.9 340 14 7 6.7 3.7 | -27.5 -17.5 310 19 10 7.2 3.9
22000 -22.6 -8.7 335 14 7 6.8 3.7 | -23.3 -9.9 320 19 10 7.2 3.9
20000 -18.7 -1.7 340 15 8 6.2 3.4 | -19.0 -2.2 325 20 10 7.3 4.0
18000 -15.1 4.8 345 16 8 5.7 3.1 | -15.0 5.0 330 20 10 5.2 2.8
16000 -12.0 10.4 350 14 7 5.4 2.9 | -12.2 10.0 335 15 8 5.8 3.2
14000 -8.5 16.7 350 15 8 6.4 3.5 | -8.3 17.1 340 14 7 6.6 3.6
12000 -5.0 23.0 345 17 9 5.8 3.2 | -4.5 23.9 345 16 8 6.0 3.3
10000 -1.3 29.7 345 21 11 5.8 3.2 | -1.4 29.5 340 20 10 5.4 2.9
9000 0.8 33.4 340 22 11 6.3 3.4 | 0.5 32.9 340 23 12 5.6 3.1
8000 2.8 37.0 340 22 11 9.1 5.0 | 2.3 36.1 340 24 12 9.3 5.1
7500 3.8 38.8 340 22 11 5.2 2.8 | 3.2 37.8 340 23 12 4.5 2.4
7000 4.7 40.5 345 21 11 7.0 3.9 | 4.1 39.4 340 23 12 7.1 3.9
6500 5.7 42.3 345 21 11 6.2 3.4 | 5.1 41.2 340 22 11 5.5 3.0
6000 6.5 43.7 345 22 11 5.8 3.2 | 5.7 42.3 335 23 12 4.4 2.4
5500 7.2 45.0 345 23 12 3.1 1.7 | 6.3 43.3 330 24 12 4.8 2.6
5000 7.5 45.5 335 24 12 2.9 1.6 | 6.9 44.4 320 22 11 4.1 2.2
4750 7.7 45.9 335 25 13 2.1 1.2 | 7.2 45.0 320 22 11 6.1 3.3
4500 7.7 45.9 330 24 12 -1.0 -0.6 | 7.8 46.0 320 22 11 10.0 5.5
4250 7.6 45.7 325 21 11 -2.0 -1.1 | 8.6 47.5 315 21 11 11.0 6.1
4000 7.4 45.3 320 18 9 -3.2 -1.7 | 9.3 48.7 315 20 10 7.9 4.3
3750 7.2 45.0 315 17 9 0.6 0.3 | 9.8 49.6 315 20 10 8.4 4.6
3500 7.5 45.5 310 15 8 6.9 3.8 | 10.6 51.1 315 18 9 12.3 6.7
3400 7.5 45.5 310 15 8 6.9 3.8 | 10.6 51.1 315 18 9 12.3 6.7
3300 7.9 46.2 310 13 6 2.7 1.5 | 11.5 52.7 315 16 8 11.4 6.3
3200 7.9 46.2 310 13 6 2.7 1.5 | 11.5 52.7 315 16 8 11.4 6.3
3100 7.9 46.2 310 13 6 2.7 1.5 | 11.5 52.7 315 16 8 11.4 6.3
3000 7.9 46.2 305 10 5 -1.0 -0.6 | 12.4 54.3 310 15 8 18.0 9.9
2900 M M M M M M M | M M M M M M M
10/04/2025 at 1500 MDT | 10/04/2025 at 1800 MDT
|
CAPE... +43.4 LI... +3.0 | CAPE... +23.0 LI... +2.8
CINH... -0.4 K Index... +16.5 | CINH... -3.2 K Index... +16.8
|
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 -61.8 280 30 16 0.3 0.2 | -51.1 -60.0 290 29 15 1.0 0.5
38000 -51.5 -60.7 280 30 16 1.5 0.8 | -51.0 -59.8 300 29 15 -0.6 -0.3
36000 -50.6 -59.1 285 33 17 1.5 0.8 | -51.4 -60.5 310 30 15 -0.6 -0.3
34000 -49.2 -56.6 290 34 17 5.6 3.1 | -51.0 -59.8 315 32 16 6.7 3.7
32000 -45.9 -50.6 295 30 16 5.5 3.0 | -47.2 -53.0 320 34 17 6.4 3.5
30000 -42.4 -44.3 300 27 14 7.5 4.1 | -43.2 -45.8 325 35 18 8.1 4.4
28000 -38.0 -36.4 300 25 13 7.4 4.1 | -38.4 -37.1 325 34 17 8.0 4.4
26000 -33.5 -28.3 305 23 12 7.6 4.2 | -33.7 -28.7 325 32 16 7.6 4.2
24000 -28.4 -19.1 310 24 12 7.4 4.1 | -29.1 -20.4 320 30 15 7.7 4.2
22000 -24.1 -11.4 315 23 12 7.1 3.9 | -24.3 -11.7 320 29 15 7.1 3.9
20000 -19.9 -3.8 325 23 12 7.0 3.8 | -20.2 -4.4 320 27 14 6.5 3.6
18000 -15.7 3.7 335 22 11 7.0 3.8 | -16.2 2.8 325 25 13 6.9 3.8
16000 -11.9 10.6 340 20 10 6.2 3.4 | -12.2 10.0 330 22 11 6.2 3.4
14000 -8.6 16.5 335 16 8 5.1 2.8 | -8.7 16.3 335 18 9 5.6 3.1
12000 -5.4 22.3 335 17 9 5.1 2.8 | -6.2 20.8 345 18 9 4.0 2.2
10000 -2.6 27.3 335 21 11 5.5 3.0 | -2.8 27.0 350 19 10 7.2 4.9
9000 -0.2 31.6 340 21 11 7.1 3.9 | -0.6 30.9 345 20 10 7.4 4.1
8000 1.9 35.4 335 22 11 9.0 4.9 | 2.0 35.6 330 23 12 10.9 6.0
7500 2.8 37.0 330 23 12 5.0 2.8 | 3.2 37.8 330 23 12 6.2 3.4
7000 3.8 38.8 325 23 12 7.9 4.3 | 4.4 39.9 325 23 12 8.8 4.8
6500 5.0 41.0 325 23 12 9.5 5.2 | 5.8 42.4 325 22 12 9.9 5.4
6000 6.4 43.5 320 23 12 9.3 5.1 | 7.2 45.0 320 22 11 9.8 5.4
5500 7.7 45.9 320 23 12 9.5 5.2 | 8.6 47.5 320 22 11 9.6 5.3
5000 9.2 48.6 320 22 11 9.7 5.3 | 10.1 50.2 320 21 11 9.8 5.4
4750 9.9 49.8 320 22 11 9.4 5.1 | 10.8 51.4 315 21 11 9.6 5.3
4500 10.6 51.1 315 22 11 10.4 5.7 | 11.5 52.7 315 20 10 9.6 5.3
4250 11.4 52.5 315 20 11 10.8 5.9 | 12.2 54.0 315 19 10 9.7 5.3
4000 12.2 54.0 315 19 10 9.6 5.3 | 12.9 55.2 315 18 9 9.1 5.0
3750 12.9 55.2 315 20 10 9.7 5.3 | 13.6 56.5 315 18 9 9.0 4.9
3500 13.7 56.7 315 18 9 11.1 6.1 | 14.3 57.7 315 16 8 9.6 5.3
3400 13.7 56.7 315 18 9 11.1 6.1 | 14.3 57.7 315 16 8 9.6 5.3
3300 14.5 58.1 315 16 8 12.4 6.8 | 14.9 58.8 310 14 7 8.3 4.6
3200 14.5 58.1 315 16 8 12.4 6.8 | 14.9 58.8 310 14 7 8.3 4.6
3100 14.5 58.1 315 16 8 12.4 6.8 | 14.9 58.8 310 14 7 8.3 4.6
3000 15.7 60.3 315 15 8 25.1 13.8 | 15.4 59.7 310 13 7 2.4 1.3
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