Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
977
UXUS97 KBOI 011305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
605 AM MST Monday, December 1, 2025
This forecast is for Monday, December 1, 2025:
If the trigger temperature of 50.7 F/10.4 C is reached...then
Thermal Soaring Index....................... Poor
Maximum rate of lift........................ 119 ft/min (0.6 m/s)
Maximum height of thermals.................. 4954 ft MSL (2093 ft AGL)
Forecast maximum temperature................... 42.0 F/6.0 C
Time of trigger temperature.................... None
Time of overdevelopment........................ 1600 MST
Middle/high clouds during soaring window....... None
Surface winds during soaring window............ 20 mph or less
Height of the -3 thermal index................. 3650 ft MSL (789 ft AGL)
Thermal soaring outlook for Tuesday 12/02...... Poor
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 07:58:45 / 17:09:23 MST
Total possible sunshine........... 9 hr 10 min 38 sec (550 min 38 sec)
Altitude of sun at 12:34:04 MST... 24.05 degrees
Upper air data from rawinsonde observation taken on 12/01/2025 at 0500 MST
Freezing level.................. 3582 ft MSL (721 ft AGL)
Additional freezing level....... 4208 ft MSL (1347 ft AGL)
Convective condensation level... 20829 ft MSL (17968 ft AGL)
Lifted condensation level....... 9450 ft MSL (6589 ft AGL)
Lifted index.................... +22.0
K index......................... -46.2
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 -62.5 -80.5 360 82 42 7.0 3.9 55.7 132.3 32.1 M M
38000 -57.9 -72.2 360 80 41 5.8 3.2 53.9 129.0 31.8 M M
36000 -52.9 -63.2 360 77 40 8.8 4.8 52.5 126.5 31.7 M M
34000 -48.2 -54.8 360 76 39 8.3 4.6 50.9 123.7 31.5 M M
32000 -43.4 -46.1 360 74 38 8.5 4.7 49.4 121.0 31.2 M M
30000 -39.4 -38.9 355 67 35 7.1 3.9 46.9 116.4 30.2 M M
28000 -35.7 -32.3 355 56 29 8.4 4.6 43.1 109.5 28.1 M M
26000 -30.9 -23.6 360 55 28 6.3 3.4 41.6 107.0 27.7 M M
24000 -26.5 -15.7 355 57 29 7.7 4.2 39.9 103.8 27.0 M M
22000 -22.1 -7.8 355 53 27 8.1 4.5 38.2 100.8 26.2 M M
20000 -17.3 0.9 350 49 25 8.5 4.7 36.9 98.4 25.7 M M
18000 -12.9 8.8 360 49 25 7.2 4.0 35.3 95.5 24.9 M M
16000 -10.0 14.0 360 43 22 2.6 1.4 31.9 89.5 22.4 M M
14000 -8.1 17.4 350 28 14 -3.3 -1.8 26.7 80.0 18.4 M M
12000 -8.5 16.7 340 23 12 1.1 0.6 19.4 66.9 12.5 M M
10000 -6.7 19.9 325 17 9 5.3 2.9 15.0 58.9 8.7 M M
9000 -5.1 22.8 335 15 8 6.0 3.3 13.6 56.4 7.5 M M
8000 -3.1 26.4 330 17 9 6.3 3.5 12.5 54.6 6.6 M M
7500 -2.2 28.0 330 15 8 3.7 2.0 12.0 53.6 6.1 M M
7000 -2.2 28.0 335 13 7 5.4 3.0 10.5 51.0 4.7 M M
6500 -1.1 30.0 345 12 6 2.3 1.3 10.2 50.4 4.3 M M
6000 -1.1 30.0 335 10 5 -0.1 -0.0 8.8 47.8 2.9 M M
5500 -1.3 29.7 330 12 6 1.3 0.7 7.1 44.7 1.2 M M
5000 -0.6 30.9 330 14 7 0.3 0.2 6.4 43.5 0.5 M M
4750 -0.9 30.4 330 13 7 -0.5 -0.3 5.4 41.7 -0.6 120 0.6
4500 -0.5 31.1 330 12 6 6.0 3.3 5.0 41.0 -0.9 102 0.5
4250 -0.2 31.6 330 11 6 4.8 2.6 4.6 40.4 -1.3 84 0.4
4000 0.2 32.4 320 10 5 3.1 1.7 4.3 39.7 -1.7 67 0.3
3750 0.3 32.5 310 9 5 3.5 1.9 3.7 38.6 -2.3 55 0.3
3500 0.1 32.2 305 6 3 -16.7 -9.2 2.8 37.0 -3.2 53 0.3
3400 -1.9 28.6 300 4 2 -21.0 -11.5 0.1 32.2 -5.9 106 0.5
3300 -1.9 28.6 300 4 2 -21.0 -11.5 0.1 32.2 -5.9 106 0.5
3200 -2.3 27.9 270 1 1 5.4 3.0 -1.1 30.1 -7.1 111 0.6
3100 -2.3 27.9 270 1 1 5.4 3.0 -1.1 30.1 -7.1 111 0.6
3000 -2.3 27.9 270 1 1 5.4 3.0 -1.1 30.1 -7.1 111 0.6
2900 -6.1 21.0 160 2 1 -99.0 -54.3 -5.7 21.7 -11.7 218 1.1
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
12/01/2025 at 0800 MST | 12/01/2025 at 1100 MST
|
CAPE... 0.0 LI... +17.8 | CAPE... 0.0 LI... +17.4
CINH... 0.0 K Index... -10.9 | CINH... 0.0 K Index... -7.7
|
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 -61.6 -78.9 340 59 31 4.8 2.6 | -61.4 -78.5 320 61 31 4.5 2.5
38000 -57.2 -71.0 340 62 32 7.4 4.1 | -57.6 -71.7 320 62 32 7.0 3.8
36000 -52.8 -63.0 340 64 33 7.4 4.1 | -53.4 -64.1 320 59 30 7.0 3.8
34000 -48.5 -55.3 340 64 33 6.8 3.7 | -49.3 -56.7 320 56 29 6.7 3.7
32000 -44.4 -47.9 345 60 31 6.8 3.7 | -45.3 -49.5 325 51 26 6.7 3.7
30000 -40.4 -40.7 350 57 30 6.6 3.6 | -41.2 -42.2 330 47 24 7.3 4.0
28000 -36.4 -33.5 350 56 29 6.6 3.6 | -36.9 -34.4 335 42 21 7.3 4.0
26000 -32.0 -25.6 350 54 28 8.2 4.5 | -32.2 -26.0 340 40 21 8.1 4.5
24000 -27.1 -16.8 350 53 27 8.2 4.5 | -26.7 -16.1 340 40 21 8.3 4.6
22000 -21.7 -7.1 355 51 26 8.0 4.4 | -21.8 -7.2 340 41 21 8.3 4.6
20000 -17.1 1.2 355 47 24 7.5 4.1 | -17.1 1.2 345 39 20 7.6 4.2
18000 -13.0 8.6 355 42 22 6.1 3.4 | -12.8 9.0 350 35 18 6.8 3.8
16000 -9.8 14.4 350 36 18 4.4 2.4 | -9.2 15.4 350 31 16 4.3 2.3
14000 -7.7 18.1 345 26 14 3.4 1.9 | -6.7 19.9 340 27 14 3.6 2.0
12000 -5.9 21.4 340 21 11 1.0 0.6 | -5.1 22.8 330 21 11 1.6 0.9
10000 -5.6 21.9 325 15 8 1.7 1.0 | -4.4 24.1 315 16 8 0.8 0.5
9000 -4.7 23.5 315 14 7 4.0 2.2 | -4.0 24.8 305 14 7 2.7 1.5
8000 -3.1 26.4 310 11 6 4.1 2.3 | -2.7 27.1 295 12 6 3.6 2.0
7500 -2.5 27.5 310 10 5 4.6 2.5 | -2.1 28.2 290 11 6 3.8 2.1
7000 -1.9 28.6 310 9 5 4.0 2.2 | -1.8 28.8 290 10 5 2.6 1.4
6500 -1.6 29.1 310 8 4 1.9 1.0 | -1.4 29.5 290 9 4 2.2 1.2
6000 -1.2 29.8 315 8 4 2.4 1.3 | -1.1 30.0 290 7 4 1.8 1.0
5500 -1.0 30.2 315 8 4 -0.4 -0.2 | -1.1 30.0 295 6 3 0.7 0.4
5000 -1.3 29.7 310 7 3 0.5 0.3 | -1.0 30.2 305 5 2 0.3 0.2
4750 -1.2 29.8 310 7 4 1.3 0.7 | -1.0 30.2 310 4 2 0.1 0.1
4500 -1.1 30.0 310 7 3 0.7 0.4 | -1.0 30.2 310 4 2 1.4 0.8
4250 -1.1 30.0 310 5 3 -1.3 -0.7 | -0.8 30.6 305 3 1 3.6 2.0
4000 -1.3 29.7 315 4 2 -3.2 -1.8 | -0.5 31.1 305 2 1 3.8 2.1
3750 -1.5 29.3 320 3 2 -0.5 -0.3 | -0.2 31.6 305 2 1 5.1 2.8
3500 -1.6 29.1 325 1 1 -7.7 -4.2 | 0.3 32.5 275 1 1 7.5 4.1
3400 -1.6 29.1 325 1 1 -7.7 -4.2 | 0.3 32.5 275 1 1 7.5 4.1
3300 -2.9 26.8 040 1 0 -26.0 -14.3 | 0.8 33.4 260 1 0 6.9 3.8
3200 -2.9 26.8 040 1 0 -26.0 -14.3 | 0.8 33.4 260 1 0 6.9 3.8
3100 -2.9 26.8 040 1 0 -26.0 -14.3 | 0.8 33.4 260 1 0 6.9 3.8
3000 -4.2 24.4 095 1 1 8.4 4.6 | 1.4 34.5 235 1 0 9.4 5.2
2900 M M M M M M M | M M M M M M M
12/01/2025 at 1400 MST | 12/01/2025 at 1700 MST
|
CAPE... 0.0 LI... +16.2 | CAPE... 0.0 LI... +13.7
CINH... 0.0 K Index... -6.6 | CINH... 0.0 K Index... -2.2
|
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 -61.0 -77.8 305 66 34 2.8 1.5 | -61.1 -78.0 310 67 35 1.2 0.7
38000 -58.0 -72.4 305 65 33 5.5 3.0 | -58.9 -74.0 305 71 36 5.0 2.8
36000 -54.7 -66.5 305 58 30 5.5 3.0 | -55.8 -68.4 305 68 35 5.0 2.8
34000 -51.0 -59.8 305 52 27 7.5 4.1 | -52.3 -62.1 300 65 33 8.0 4.4
32000 -46.5 -51.7 305 46 24 7.5 4.1 | -47.4 -53.3 300 59 30 8.1 4.4
30000 -42.0 -43.6 305 42 22 7.8 4.3 | -42.6 -44.7 300 54 28 8.2 4.5
28000 -37.3 -35.1 305 43 22 7.7 4.3 | -37.7 -35.9 300 52 27 8.2 4.5
26000 -32.6 -26.7 310 42 22 8.2 4.5 | -32.9 -27.2 305 48 25 7.8 4.3
24000 -27.1 -16.8 310 40 21 8.0 4.4 | -28.3 -18.9 305 44 23 7.7 4.2
22000 -22.4 -8.3 315 37 19 8.0 4.4 | -23.4 -10.1 305 40 20 7.4 4.1
20000 -17.9 -0.2 315 34 17 7.3 4.0 | -19.2 -2.6 305 37 19 7.0 3.8
18000 -13.7 7.3 320 29 15 6.6 3.6 | -15.0 5.0 305 35 18 7.2 3.9
16000 -10.1 13.8 325 25 13 5.5 3.0 | -11.0 12.2 305 33 17 6.1 3.4
14000 -7.0 19.4 330 24 12 4.0 2.2 | -7.4 18.7 310 28 15 5.8 3.2
12000 -5.2 22.6 325 21 11 2.6 1.5 | -4.5 23.9 310 23 12 3.1 1.7
10000 -3.9 25.0 315 15 8 1.0 0.6 | -3.8 25.2 300 17 9 2.1 1.1
9000 -3.4 25.9 300 14 7 2.7 1.5 | -2.5 27.5 290 15 8 3.6 2.0
8000 -2.2 28.0 290 12 6 3.1 1.7 | -1.3 29.7 280 13 7 2.8 1.5
7500 -1.8 28.8 285 12 6 2.6 1.4 | -0.8 30.6 280 13 6 2.5 1.4
7000 -1.5 29.3 280 10 5 2.3 1.3 | -0.6 30.9 275 11 6 1.2 0.7
6500 -1.3 29.7 280 9 4 1.8 1.0 | -0.4 31.3 270 9 5 2.9 1.6
6000 -0.9 30.4 280 6 3 2.5 1.4 | 0.0 32.0 265 7 3 3.0 1.6
5500 -0.6 30.9 290 4 2 2.8 1.6 | 0.5 32.9 255 4 2 3.7 2.0
5000 -0.1 31.8 290 3 1 4.3 2.4 | 1.1 34.0 215 2 1 4.3 2.4
4750 0.2 32.4 300 2 1 4.5 2.4 | 1.4 34.5 180 2 1 4.6 2.5
4500 0.5 32.9 305 1 1 5.0 2.8 | 1.7 35.1 150 2 1 4.2 2.3
4250 1.0 33.8 270 1 0 7.8 4.3 | 2.0 35.6 155 3 1 5.1 2.8
4000 1.6 34.9 280 1 1 9.4 5.2 | 2.4 36.3 150 2 1 5.5 3.0
3750 2.3 36.1 285 1 1 8.1 4.5 | 2.8 37.0 150 2 1 6.4 3.5
3500 2.9 37.2 265 1 0 8.7 4.8 | 3.2 37.8 155 2 1 3.5 1.9
3400 2.9 37.2 265 1 0 8.7 4.8 | 3.2 37.8 155 2 1 3.5 1.9
3300 3.6 38.5 270 1 1 11.8 6.5 | 3.2 37.8 160 2 1 -4.6 -2.5
3200 3.6 38.5 270 1 1 11.8 6.5 | 3.2 37.8 160 2 1 -4.6 -2.5
3100 3.6 38.5 270 1 1 11.8 6.5 | 3.2 37.8 160 2 1 -4.6 -2.5
3000 4.4 39.9 275 1 1 5.6 3.1 | 3.1 37.6 165 1 1 10.7 5.9
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