Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
008
UXUS97 KBOI 041305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
605 AM MST Thursday, December 4, 2025
This forecast is for Thursday, December 4, 2025:
If the trigger temperature of 46.8 F/8.2 C is reached...then
Thermal Soaring Index....................... Poor
Maximum rate of lift........................ 0 ft/min (0.0 m/s)
Maximum height of thermals.................. 4402 ft MSL (1544 ft AGL)
Forecast maximum temperature................... 42.0 F/6.0 C
Time of trigger temperature.................... None
Time of overdevelopment........................ 1100 MST
Middle/high clouds during soaring window....... Broken/overcast opaque middle
Surface winds during soaring window............ 20 mph or less
Height of the -3 thermal index................. 3104 ft MSL (247 ft AGL)
Thermal soaring outlook for Friday 12/05....... Poor
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 08:01:55 / 17:08:37 MST
Total possible sunshine........... 9 hr 6 min 42 sec (546 min 42 sec)
Altitude of sun at 12:35:16 MST... 23.60 degrees
Upper air data from rawinsonde observation taken on 12/04/2025 at 0500 MST
Freezing level.................. 2969 ft MSL (111 ft AGL)
Additional freezing level....... 4895 ft MSL (2037 ft AGL)
Convective condensation level... 14204 ft MSL (11346 ft AGL)
Lifted condensation level....... 7110 ft MSL (4252 ft AGL)
Lifted index.................... +16.0
K index......................... +2.4
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 -51.7 -61.1 360 74 38 5.2 2.8 73.1 163.6 43.2 M M
38000 -49.8 -57.6 355 85 44 1.8 1.0 67.0 152.6 40.3 M M
36000 -49.8 -57.6 355 97 50 -7.8 -4.3 58.4 137.1 35.6 M M
34000 -52.6 -62.7 350 113 58 9.1 5.0 45.7 114.3 27.8 M M
32000 -47.0 -52.6 350 112 58 8.0 4.4 45.4 113.7 28.3 M M
30000 -41.1 -42.0 350 106 54 8.5 4.7 44.4 111.9 28.3 M M
28000 -36.3 -33.3 355 99 51 7.2 4.0 43.0 109.5 28.0 M M
26000 -32.4 -26.3 360 86 44 6.4 3.5 40.5 104.9 26.8 M M
24000 -28.8 -19.8 355 63 32 3.7 2.0 37.6 99.7 25.1 M M
22000 -25.2 -13.4 345 45 23 1.0 0.5 34.7 94.5 23.4 M M
20000 -22.4 -8.3 330 39 20 8.6 4.7 31.1 87.9 21.0 M M
18000 -18.0 -0.4 335 29 15 7.3 4.0 29.3 84.7 20.0 M M
16000 -13.7 7.3 330 26 13 8.1 4.4 27.5 81.5 18.9 M M
14000 -9.8 14.4 330 22 11 9.0 4.9 24.7 76.5 16.6 M M
12000 -6.9 19.6 320 22 11 5.4 3.0 21.5 70.8 14.1 M M
10000 -8.0 17.6 300 17 9 7.7 4.2 13.9 57.0 7.4 M M
9000 -5.7 21.7 305 14 7 7.0 3.8 13.2 55.7 6.8 M M
8000 -4.0 24.8 300 16 8 3.6 2.0 11.9 53.4 5.7 M M
7500 -3.4 25.9 300 14 7 5.5 3.0 10.9 51.7 4.8 M M
7000 -3.7 25.3 305 11 6 -4.5 -2.5 9.3 48.7 3.1 M M
6500 -3.4 25.9 300 10 5 5.9 3.2 8.2 46.7 2.0 M M
6000 -2.5 27.5 295 10 5 5.2 2.9 7.6 45.7 1.4 M M
5500 -1.7 28.9 300 9 4 7.1 3.9 6.8 44.3 0.7 M M
5000 -0.4 31.3 335 6 3 8.2 4.5 6.7 44.0 0.6 M M
4750 0.2 32.4 335 5 3 9.2 5.1 6.6 43.8 0.5 M M
4500 0.8 33.4 335 4 2 5.3 2.9 6.5 43.6 0.4 M M
4250 1.0 33.8 335 3 2 0.8 0.4 5.9 42.6 -0.2 M M
4000 1.1 34.0 330 2 1 3.0 1.7 5.3 41.5 -0.8 M M
3750 1.4 34.5 360 1 1 4.8 2.6 4.8 40.7 -1.2 M M
3500 1.7 35.1 095 2 1 3.8 2.1 4.5 40.0 -1.6 M M
3400 2.0 35.6 110 3 2 2.4 1.3 3.9 39.1 -2.1 M M
3300 2.0 35.6 110 3 2 2.4 1.3 3.9 39.1 -2.1 M M
3200 1.8 35.2 120 5 3 -12.5 -6.9 3.0 37.4 -3.0 M M
3100 1.8 35.2 120 5 3 -12.5 -6.9 3.0 37.4 -3.0 M M
3000 1.8 35.2 120 5 3 -12.5 -6.9 3.0 37.4 -3.0 M M
2900 -1.5 29.3 120 7 4 -91.9 -50.4 -1.0 30.2 -7.1 19 0.1
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
12/04/2025 at 0800 MST | 12/04/2025 at 1100 MST
|
CAPE... 0.0 LI... +10.3 | CAPE... 0.0 LI... +10.1
CINH... -0.2 K Index... +6.0 | CINH... 0.0 K Index... +9.2
|
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 -49.4 -56.9 355 72 37 3.3 1.8 | -48.4 -55.1 345 68 35 3.7 2.0
38000 -49.4 -56.9 350 78 40 -2.5 -1.4 | -48.2 -54.8 340 70 36 -1.5 -0.8
36000 -50.9 -59.6 345 86 44 -2.5 -1.4 | -49.0 -56.2 340 73 38 -1.5 -0.8
34000 -51.2 -60.2 345 93 48 7.2 3.9 | -49.0 -56.2 335 75 39 4.3 2.4
32000 -47.0 -52.6 345 91 47 7.0 3.8 | -46.3 -51.3 335 73 38 4.4 2.4
30000 -42.7 -44.9 350 88 45 7.7 4.2 | -43.0 -45.4 335 72 37 8.7 4.7
28000 -38.1 -36.6 345 81 42 7.7 4.2 | -37.7 -35.9 335 70 36 8.7 4.8
26000 -33.5 -28.3 345 74 38 7.7 4.2 | -32.8 -27.0 335 67 35 7.9 4.3
24000 -28.3 -18.9 345 69 35 7.1 3.9 | -28.1 -18.6 335 62 32 7.6 4.1
22000 -24.4 -11.9 345 58 30 6.5 3.6 | -24.1 -11.4 335 56 29 6.7 3.7
20000 -20.7 -5.3 340 46 24 6.0 3.3 | -19.8 -3.6 335 46 24 6.4 3.5
18000 -17.2 1.0 330 37 19 6.1 3.3 | -16.1 3.0 330 37 19 6.0 3.3
16000 -13.3 8.1 325 34 17 7.5 4.1 | -12.4 9.7 325 32 16 5.9 3.2
14000 -9.1 15.6 325 30 16 6.0 3.3 | -9.2 15.4 325 29 15 4.8 2.6
12000 -7.1 19.2 315 26 13 1.5 0.8 | -6.4 20.5 320 27 14 3.9 2.1
10000 -6.4 20.5 310 21 11 2.7 1.5 | -6.2 20.8 310 21 11 1.5 0.8
9000 -5.6 21.9 300 18 9 3.3 1.8 | -5.1 22.8 300 19 10 3.0 1.7
8000 -4.1 24.6 290 15 7 4.1 2.3 | -4.2 24.4 290 18 9 4.3 2.4
7500 -3.4 25.9 285 13 7 4.9 2.7 | -3.0 26.6 285 16 8 5.3 2.9
7000 -2.8 27.0 280 12 6 3.3 1.8 | -2.6 27.3 280 15 8 2.8 1.5
6500 -2.3 27.9 275 10 5 3.8 2.1 | -2.2 28.0 270 13 7 2.9 1.6
6000 -1.7 28.9 265 8 4 3.4 1.9 | -1.6 29.1 270 11 5 3.2 1.7
5500 -1.3 29.7 250 6 3 3.0 1.6 | -1.3 29.7 265 9 5 4.1 2.3
5000 -0.7 30.7 225 4 2 5.1 2.8 | -0.4 31.3 255 5 3 5.3 2.9
4750 -0.3 31.5 215 4 2 5.8 3.2 | -0.0 32.0 250 4 2 5.3 2.9
4500 0.1 32.2 200 3 2 5.8 3.2 | 0.4 32.7 235 3 2 4.9 2.7
4250 0.5 32.9 175 3 2 3.5 1.9 | 0.7 33.3 220 3 1 5.1 2.8
4000 0.6 33.1 160 4 2 0.9 0.5 | 1.1 34.0 195 2 1 5.0 2.7
3750 0.8 33.4 145 4 2 4.1 2.2 | 1.5 34.7 160 2 1 6.5 3.5
3500 0.9 33.6 120 4 2 -6.6 -3.6 | 2.1 35.8 170 2 1 7.9 4.3
3400 0.9 33.6 120 4 2 -6.6 -3.6 | 2.1 35.8 170 2 1 7.9 4.3
3300 -0.5 31.1 120 4 2 -31.3 -17.2 | 2.6 36.7 155 2 1 5.6 3.1
3200 -0.5 31.1 120 4 2 -31.3 -17.2 | 2.6 36.7 155 2 1 5.6 3.1
3100 -0.5 31.1 120 4 2 -31.3 -17.2 | 2.6 36.7 155 2 1 5.6 3.1
3000 -2.0 28.4 115 5 2 14.5 8.0 | 3.1 37.6 140 3 1 11.1 6.1
2900 M M M M M M M | M M M M M M M
12/04/2025 at 1400 MST | 12/04/2025 at 1700 MST
|
CAPE... 0.0 LI... +8.9 | CAPE... 0.0 LI... +7.3
CINH... -0.1 K Index... +13.6 | CINH... 0.0 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 -47.8 -54.0 340 75 39 4.3 2.4 | -47.2 -53.0 335 77 40 4.9 2.7
38000 -47.4 -53.3 340 75 38 -1.3 -0.7 | -46.1 -51.0 335 80 41 0.1 0.1
36000 -48.2 -54.8 335 73 38 -1.3 -0.7 | -46.0 -50.8 335 82 42 0.1 0.1
34000 -48.3 -54.9 330 71 37 3.6 2.0 | -45.9 -50.6 335 83 43 0.6 0.4
32000 -46.2 -51.2 330 66 34 3.6 1.9 | -45.5 -49.9 330 76 39 0.6 0.3
30000 -43.5 -46.3 330 61 32 8.1 4.4 | -44.5 -48.1 330 69 36 7.8 4.3
28000 -38.7 -37.7 330 59 30 8.0 4.4 | -40.0 -40.0 330 63 32 7.4 4.1
26000 -33.2 -27.8 330 58 30 8.4 4.6 | -34.5 -30.1 330 58 30 9.0 4.9
24000 -28.2 -18.8 335 59 30 7.5 4.1 | -29.1 -20.4 330 57 29 8.5 4.7
22000 -24.1 -11.4 330 56 29 7.0 3.8 | -24.3 -11.7 325 55 29 8.1 4.4
20000 -20.0 -4.0 330 51 26 6.8 3.7 | -20.0 -4.0 325 52 27 6.8 3.7
18000 -16.1 3.0 325 46 24 6.1 3.4 | -16.1 3.0 325 48 25 6.4 3.5
16000 -12.8 9.0 320 40 20 4.7 2.6 | -12.5 9.5 320 45 23 5.6 3.1
14000 -10.1 13.8 315 35 18 4.6 2.5 | -9.5 14.9 315 40 21 4.8 2.6
12000 -7.2 19.0 315 31 16 5.0 2.7 | -6.8 19.8 310 34 17 4.2 2.3
10000 -5.2 22.6 310 26 13 2.0 1.1 | -4.7 23.5 305 28 14 3.8 2.1
9000 -4.2 24.4 305 21 11 4.1 2.3 | -3.2 26.2 300 23 12 3.0 1.6
8000 -3.1 26.4 295 18 9 3.2 1.8 | -2.2 28.0 290 20 10 3.5 1.9
7500 -2.3 27.9 285 18 9 5.0 2.8 | -1.8 28.8 285 19 10 1.7 0.9
7000 -1.9 28.6 280 17 9 1.8 1.0 | -1.5 29.3 280 18 9 2.4 1.3
6500 -1.4 29.5 275 16 8 4.0 2.2 | -1.1 30.0 275 18 9 3.1 1.7
6000 -1.0 30.2 275 13 6 3.1 1.7 | -0.6 30.9 270 15 8 3.6 2.0
5500 -0.5 31.1 275 10 5 3.9 2.2 | 0.2 32.4 270 13 7 5.8 3.2
5000 0.3 32.5 265 5 3 5.4 2.9 | 1.1 34.0 270 7 4 6.0 3.3
4750 0.7 33.3 260 3 2 5.9 3.2 | 1.6 34.9 270 5 3 6.1 3.3
4500 1.2 34.2 240 2 1 6.8 3.7 | 2.0 35.6 270 3 2 5.7 3.1
4250 1.7 35.1 225 2 1 7.7 4.2 | 2.5 36.5 215 1 0 6.0 3.3
4000 2.3 36.1 220 1 1 7.7 4.2 | 2.9 37.2 000 0 0 5.5 3.0
3750 2.9 37.2 205 1 0 7.9 4.3 | 3.4 38.1 080 1 1 8.2 4.5
3500 3.5 38.3 200 1 0 8.6 4.7 | 4.0 39.2 105 2 1 5.0 2.7
3400 3.5 38.3 200 1 0 8.6 4.7 | 4.0 39.2 105 2 1 5.0 2.7
3300 4.2 39.6 190 1 0 9.5 5.2 | 3.9 39.0 095 2 1 -8.4 -4.6
3200 4.2 39.6 190 1 0 9.5 5.2 | 3.9 39.0 095 2 1 -8.4 -4.6
3100 4.2 39.6 190 1 0 9.5 5.2 | 3.9 39.0 095 2 1 -8.4 -4.6
3000 4.8 40.6 180 1 0 8.1 4.5 | 3.8 38.8 085 2 1 17.9 9.8
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