Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
028
UXUS97 KBOI 061305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
605 AM MST Saturday, December 6, 2025
This forecast is for Saturday, December 6, 2025:
If the trigger temperature of 53.2 F/11.8 C is reached...then
Thermal Soaring Index....................... Poor
Maximum rate of lift........................ 0 ft/min (0.0 m/s)
Maximum height of thermals.................. 3705 ft MSL (844 ft AGL)
Forecast maximum temperature................... 50.0 F/10.5 C
Time of trigger temperature.................... None
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................. 2897 ft MSL (36 ft AGL)
Thermal soaring outlook for Sunday 12/07....... Poor
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 08:03:55 / 17:08:18 MST
Total possible sunshine........... 9 hr 4 min 23 sec (544 min 23 sec)
Altitude of sun at 12:36:06 MST... 23.34 degrees
Upper air data from rawinsonde observation taken on 12/06/2025 at 0500 MST
Freezing level.................. 6819 ft MSL (3958 ft AGL)
Convective condensation level... 8215 ft MSL (5354 ft AGL)
Lifted condensation level....... 7376 ft MSL (4515 ft AGL)
Lifted index.................... +10.4
K index......................... +10.4
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 -53.8 -64.8 305 110 57 -2.8 -1.5 70.1 158.1 38.4 M M
38000 -55.2 -67.4 305 122 63 4.9 2.7 59.0 138.2 32.1 M M
36000 -51.9 -61.4 300 140 72 1.5 0.8 55.2 131.3 30.4 M M
34000 -48.4 -55.1 295 138 71 5.4 3.0 51.7 125.1 28.9 M M
32000 -44.4 -47.9 295 130 67 8.2 4.5 49.3 120.7 27.9 M M
30000 -39.7 -39.5 295 118 61 6.4 3.5 47.5 117.5 27.3 M M
28000 -37.1 -34.8 295 107 55 5.1 2.8 42.2 108.0 24.1 M M
26000 -34.8 -30.6 290 128 66 9.2 5.0 37.5 99.6 21.1 M M
24000 -29.8 -21.6 290 120 62 7.5 4.1 36.5 97.6 20.8 M M
22000 -25.4 -13.7 290 112 58 3.1 1.7 34.7 94.5 19.8 M M
20000 -23.1 -9.6 295 93 48 -0.8 -0.4 30.5 86.9 16.8 M M
18000 -20.8 -5.4 300 78 40 2.8 1.5 26.2 79.2 13.5 M M
16000 -19.4 -2.9 310 62 32 3.2 1.7 21.0 69.9 9.3 M M
14000 -15.0 5.0 310 46 24 7.4 4.1 18.5 65.4 7.4 M M
12000 -12.5 9.5 315 51 26 2.5 1.4 15.0 59.0 4.2 M M
10000 -7.8 18.0 305 36 18 9.1 5.0 13.8 56.9 3.1 M M
9000 -5.3 22.5 300 28 14 7.3 4.0 13.4 56.2 2.7 M M
8000 -3.3 26.1 295 34 17 9.3 5.1 12.6 54.7 1.9 M M
7500 -1.9 28.6 295 37 19 9.1 5.0 12.5 54.6 1.8 M M
7000 -0.6 30.9 290 39 20 9.1 5.0 12.5 54.4 1.7 M M
6500 0.8 33.4 290 39 20 9.1 5.0 12.3 54.2 1.6 M M
6000 2.1 35.8 290 38 20 9.1 5.0 12.2 54.0 1.5 M M
5500 3.4 38.1 290 35 18 9.1 5.0 12.1 53.8 1.4 M M
5000 4.8 40.6 290 32 16 9.2 5.1 12.0 53.6 1.3 M M
4750 5.5 41.9 290 30 16 8.7 4.8 12.0 53.5 1.2 M M
4500 6.1 43.0 290 29 15 7.9 4.4 11.8 53.3 1.1 M M
4250 6.7 44.1 285 27 14 7.4 4.1 11.7 53.1 1.0 M M
4000 7.1 44.8 290 25 13 5.8 3.2 11.5 52.7 0.8 M M
3750 7.4 45.3 290 21 11 2.9 1.6 11.1 51.9 0.3 M M
3500 7.6 45.7 295 17 9 1.4 0.8 10.5 50.9 -0.3 M M
3400 7.6 45.7 305 12 6 0.9 0.5 9.9 49.7 -1.0 M M
3300 7.6 45.7 305 12 6 0.9 0.5 9.9 49.7 -1.0 M M
3200 7.5 45.5 305 8 4 -3.6 -2.0 9.1 48.3 -1.8 M M
3100 7.5 45.5 305 8 4 -3.6 -2.0 9.1 48.3 -1.8 M M
3000 7.5 45.5 305 8 4 -3.6 -2.0 9.1 48.3 -1.8 M M
2900 6.8 44.2 265 4 2 -13.1 -7.2 7.7 45.9 -3.2 M M
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
12/06/2025 at 0800 MST | 12/06/2025 at 1100 MST
|
CAPE... 0.0 LI... +3.5 | CAPE... +10.0 LI... +6.7
CINH... -0.6 K Index... +8.0 | CINH... -15.5 K Index... +5.4
|
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 -55.8 -68.4 300 108 56 0.2 0.1 | -55.6 -68.1 300 102 53 0.5 0.3
38000 -55.0 -67.0 300 115 59 3.7 2.0 | -54.9 -66.8 300 111 57 2.5 1.4
36000 -52.7 -62.9 300 119 61 3.7 2.0 | -53.4 -64.1 300 118 61 2.5 1.4
34000 -50.2 -58.4 305 122 63 5.1 2.8 | -51.6 -60.9 305 125 65 5.7 3.1
32000 -46.8 -52.2 305 114 59 5.7 3.1 | -47.7 -53.9 305 118 61 6.4 3.5
30000 -43.4 -46.1 305 106 55 7.1 3.9 | -43.8 -46.8 305 110 57 6.7 3.7
28000 -38.7 -37.7 305 106 54 7.8 4.3 | -39.9 -39.8 305 99 51 6.6 3.6
26000 -34.3 -29.7 310 104 53 6.7 3.7 | -35.9 -32.6 305 89 46 7.1 3.9
24000 -30.3 -22.5 310 98 51 6.7 3.7 | -31.6 -24.9 305 84 43 7.1 3.9
22000 -27.5 -17.5 305 88 45 3.7 2.0 | -27.3 -17.1 305 79 41 7.4 4.1
20000 -25.3 -13.5 305 76 39 2.4 1.3 | -23.4 -10.1 305 71 37 3.4 1.9
18000 -23.7 -10.7 305 66 34 5.7 3.1 | -21.4 -6.5 305 63 32 2.5 1.4
16000 -20.0 -4.0 305 57 29 7.3 4.0 | -19.2 -2.6 305 54 28 5.0 2.7
14000 -15.3 4.5 305 51 26 7.8 4.3 | -15.6 3.9 300 45 23 6.8 3.7
12000 -11.1 12.0 305 44 23 6.4 3.5 | -12.2 10.0 300 36 19 5.2 2.8
10000 -8.4 16.9 315 44 23 4.1 2.2 | -9.6 14.7 310 32 17 5.4 3.0
9000 -6.9 19.6 320 42 22 5.7 3.1 | -7.5 18.5 315 32 16 7.4 4.1
8000 -4.4 24.1 315 36 18 8.8 4.8 | -5.4 22.3 315 30 16 7.9 4.3
7500 -3.3 26.1 315 32 16 6.3 3.4 | -3.7 25.3 315 29 15 5.8 3.2
7000 -2.3 27.9 310 28 14 7.6 4.2 | -2.8 27.0 310 27 14 6.8 3.8
6500 -1.0 30.2 305 24 12 8.8 4.8 | -1.7 28.9 310 26 13 8.6 4.7
6000 0.1 32.2 300 24 12 7.4 4.1 | -0.4 31.3 305 23 12 8.7 4.8
5500 1.2 34.2 300 24 13 7.9 4.3 | 0.9 33.6 300 22 11 8.1 4.4
5000 2.3 36.1 290 23 12 7.6 4.2 | 1.9 35.4 290 21 11 8.1 4.4
4750 2.9 37.2 290 24 12 8.0 4.4 | 2.6 36.7 290 20 11 8.1 4.4
4500 3.4 38.1 285 23 12 6.5 3.6 | 3.1 37.6 285 19 10 4.7 2.6
4250 3.8 38.8 285 19 10 5.3 2.9 | 3.3 37.9 285 15 8 4.3 2.4
4000 4.2 39.6 285 17 9 3.4 1.9 | 3.7 38.7 280 14 7 5.3 2.9
3750 4.4 39.9 280 16 8 4.8 2.6 | 4.1 39.4 280 13 7 7.5 4.1
3500 4.8 40.6 280 12 6 3.2 1.8 | 4.8 40.6 280 11 6 7.9 4.3
3400 4.8 40.6 280 12 6 3.2 1.8 | 4.8 40.6 280 11 6 7.9 4.3
3300 4.5 40.1 275 9 5 -11.5 -6.3 | 5.1 41.2 275 9 5 0.8 0.4
3200 4.5 40.1 275 9 5 -11.5 -6.3 | 5.1 41.2 275 9 5 0.8 0.4
3100 4.5 40.1 275 9 5 -11.5 -6.3 | 5.1 41.2 275 9 5 0.8 0.4
3000 3.2 37.8 270 6 3 -20.0 -11.0 | 5.2 41.4 275 8 4 10.7 5.9
2900 M M M M M M M | M M M M M M M
12/06/2025 at 1400 MST | 12/06/2025 at 1700 MST
|
CAPE... +84.4 LI... +7.2 | CAPE... +89.6 LI... +6.2
CINH... -0.9 K Index... +4.7 | CINH... -8.3 K Index... +12.9
|
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 -56.5 -69.7 305 100 51 0.2 0.1 | -56.9 -70.4 305 100 52 0.3 0.1
38000 -55.7 -68.3 305 105 54 3.1 1.7 | -55.9 -68.6 305 107 55 4.1 2.2
36000 -53.8 -64.8 300 107 55 3.1 1.7 | -53.5 -64.3 305 111 57 4.0 2.2
34000 -51.9 -61.4 300 109 56 5.2 2.9 | -51.0 -59.8 305 115 59 4.9 2.7
32000 -47.7 -53.9 305 110 56 7.0 3.9 | -47.6 -53.7 305 119 61 5.7 3.1
30000 -43.5 -46.3 305 110 57 7.1 3.9 | -44.2 -47.6 310 123 63 6.8 3.7
28000 -39.4 -38.9 310 104 54 6.8 3.7 | -39.7 -39.5 310 118 61 7.5 4.1
26000 -35.0 -31.0 305 95 49 6.1 3.4 | -35.0 -31.0 305 110 57 5.8 3.2
24000 -31.3 -24.3 305 83 43 6.1 3.3 | -31.5 -24.7 305 100 52 5.8 3.2
22000 -27.4 -17.3 300 75 39 6.6 3.6 | -27.6 -17.7 305 91 47 6.6 3.6
20000 -23.6 -10.5 300 69 35 6.1 3.3 | -24.0 -11.2 305 81 42 5.2 2.8
18000 -20.1 -4.2 300 63 33 3.1 1.7 | -21.0 -5.8 305 70 36 4.1 2.2
16000 -18.3 -0.9 300 54 28 3.0 1.7 | -18.7 -1.7 305 58 30 3.1 1.7
14000 -15.6 3.9 295 43 22 5.8 3.2 | -16.9 1.6 300 42 22 4.3 2.4
12000 -12.2 10.0 290 33 17 5.1 2.8 | -13.6 7.5 295 31 16 5.9 3.3
10000 -9.7 14.5 300 24 12 5.7 3.1 | -9.8 14.4 305 27 14 7.4 4.0
9000 -7.3 18.9 310 23 12 7.2 4.0 | -7.0 19.4 305 26 13 7.6 4.2
8000 -5.0 23.0 310 23 12 9.2 5.1 | -4.6 23.7 300 23 12 9.9 5.4
7500 -3.8 25.2 310 22 11 6.4 3.5 | -3.5 25.7 295 22 11 5.7 3.1
7000 -2.9 26.8 305 20 10 7.9 4.3 | -2.4 27.7 290 21 11 9.1 5.0
6500 -1.8 28.8 300 18 9 8.2 4.5 | -1.2 29.8 290 20 11 8.9 4.9
6000 -0.5 31.1 295 17 9 8.8 4.8 | 0.3 32.5 285 19 10 9.8 5.4
5500 0.8 33.4 290 15 8 8.7 4.7 | 1.6 34.9 285 18 9 8.8 4.8
5000 2.1 35.8 280 13 7 9.1 5.0 | 3.0 37.4 280 16 8 9.5 5.2
4750 2.8 37.0 280 13 6 9.1 5.0 | 3.7 38.7 280 15 8 9.3 5.1
4500 3.5 38.3 280 12 6 9.2 5.1 | 4.4 39.9 280 14 7 8.4 4.6
4250 4.1 39.4 280 11 6 9.3 5.1 | 5.0 41.0 280 12 6 7.8 4.3
4000 4.8 40.6 280 10 5 9.4 5.1 | 5.5 41.9 280 10 5 7.3 4.0
3750 5.5 41.9 280 10 5 9.5 5.2 | 6.1 43.0 280 9 4 8.4 4.6
3500 6.2 43.2 280 9 5 9.0 4.9 | 6.6 43.9 280 6 3 2.6 1.4
3400 6.2 43.2 280 9 5 9.0 4.9 | 6.6 43.9 280 6 3 2.6 1.4
3300 6.8 44.2 280 8 4 7.4 4.0 | 6.2 43.2 280 5 2 -11.6 -6.4
3200 6.8 44.2 280 8 4 7.4 4.0 | 6.2 43.2 280 5 2 -11.6 -6.4
3100 6.8 44.2 280 8 4 7.4 4.0 | 6.2 43.2 280 5 2 -11.6 -6.4
3000 7.3 45.1 275 8 4 8.8 4.8 | 5.6 42.1 280 3 2 5.3 2.9
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