Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
817
UXUS97 KBOI 101306
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
606 AM MST Wednesday, December 10, 2025
This forecast is for Wednesday, December 10, 2025:
If the trigger temperature of 62.7 F/17.1 C is reached...then
Thermal Soaring Index....................... Poor
Maximum rate of lift........................ 19 ft/min (0.1 m/s)
Maximum height of thermals.................. 5047 ft MSL (2186 ft AGL)
Forecast maximum temperature................... 61.0 F/16.6 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................. 3292 ft MSL (431 ft AGL)
Thermal soaring outlook for Thursday 12/11..... Poor
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 08:07:35 / 17:08:10 MST
Total possible sunshine........... 9 hr 0 min 35 sec (540 min 35 sec)
Altitude of sun at 12:37:53 MST... 22.89 degrees
Upper air data from rawinsonde observation taken on 12/10/2025 at 0500 MST
Freezing level.................. 10206 ft MSL (7345 ft AGL)
Convective condensation level... 9666 ft MSL (6805 ft AGL)
Lifted condensation level....... 7581 ft MSL (4720 ft AGL)
Lifted index.................... +7.6
K index......................... +22.7
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 -64.9 -84.8 305 76 39 7.7 4.2 51.2 124.1 22.5 M M
38000 -60.8 -77.4 315 71 37 8.6 4.7 48.5 119.3 21.4 M M
36000 -54.7 -66.5 305 65 33 10.5 5.7 47.8 118.0 21.6 M M
34000 -49.2 -56.6 305 66 34 9.4 5.2 47.2 117.0 21.8 M M
32000 -43.6 -46.5 310 69 35 9.4 5.2 46.8 116.3 22.0 M M
30000 -37.9 -36.2 305 70 36 9.4 5.2 46.7 116.0 22.5 M M
28000 -33.3 -27.9 305 68 35 4.4 2.4 45.0 113.1 21.8 M M
26000 -28.9 -20.0 305 67 34 8.6 4.7 43.1 109.6 20.8 M M
24000 -24.1 -11.4 305 66 34 4.5 2.5 41.9 107.4 20.3 M M
22000 -19.4 -2.9 305 65 33 7.9 4.4 40.5 104.8 19.5 M M
20000 -15.4 4.3 305 63 32 8.5 4.6 38.3 101.0 18.1 M M
18000 -11.7 10.9 300 61 31 7.9 4.3 34.9 94.9 15.6 M M
16000 -8.7 16.3 295 56 29 2.2 1.2 31.8 89.2 13.1 M M
14000 -5.1 22.8 290 44 23 2.8 1.6 29.2 84.6 11.2 M M
12000 -2.9 26.8 290 37 19 1.6 0.9 25.5 77.9 7.7 M M
10000 0.4 32.7 300 33 17 6.3 3.5 22.8 73.0 5.3 M M
9000 2.2 36.0 290 32 16 6.1 3.3 21.7 71.1 4.3 M M
8000 3.2 37.8 280 26 13 3.2 1.7 19.7 67.4 2.3 M M
7500 3.8 38.8 280 26 14 6.0 3.3 18.8 65.9 1.5 M M
7000 4.8 40.6 275 27 14 6.8 3.7 18.4 65.1 1.1 M M
6500 5.9 42.6 275 25 13 7.9 4.3 18.0 64.4 0.7 M M
6000 7.1 44.8 275 22 11 8.1 4.5 17.7 63.9 0.5 M M
5500 8.3 46.9 270 18 9 8.1 4.4 17.5 63.5 0.3 M M
5000 9.6 49.3 265 13 7 7.3 4.0 17.2 63.0 0.0 M M
4750 10.1 50.2 260 10 5 6.1 3.3 17.0 62.6 -0.2 M M
4500 10.5 50.9 255 9 5 6.3 3.5 16.7 62.1 -0.4 M M
4250 11.0 51.8 240 7 3 6.2 3.4 16.5 61.6 -0.7 M M
4000 11.5 52.7 215 5 3 6.3 3.5 16.2 61.2 -0.9 M M
3750 12.0 53.6 180 5 3 6.2 3.4 15.9 60.7 -1.2 M M
3500 12.3 54.1 150 6 3 0.6 0.3 15.5 59.9 -1.6 M M
3400 12.0 53.6 135 9 4 -7.4 -4.1 14.5 58.1 -2.6 M M
3300 12.0 53.6 135 9 4 -7.4 -4.1 14.5 58.1 -2.6 M M
3200 11.3 52.3 130 8 4 -8.9 -4.9 13.1 55.6 -4.1 M M
3100 11.3 52.3 130 8 4 -8.9 -4.9 13.1 55.6 -4.1 M M
3000 11.3 52.3 130 8 4 -8.9 -4.9 13.1 55.6 -4.1 M M
2900 10.6 51.1 130 5 3 -9.5 -5.2 11.7 53.1 -5.5 M M
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
12/10/2025 at 0800 MST | 12/10/2025 at 1100 MST
|
CAPE... 0.0 LI... +5.0 | CAPE... 0.0 LI... +6.8
CINH... -0.2 K Index... +18.9 | CINH... -0.2 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 -63.5 -82.3 305 67 34 0.5 0.3 | -63.4 -82.1 310 73 38 1.9 1.1
38000 -59.1 -74.4 305 67 35 8.5 4.7 | -59.0 -74.2 305 70 36 7.9 4.3
36000 -54.0 -65.2 305 67 35 8.5 4.7 | -54.3 -65.7 300 65 33 7.9 4.3
34000 -48.8 -55.8 305 65 34 8.7 4.8 | -49.1 -56.4 300 59 31 9.2 5.1
32000 -43.6 -46.5 300 62 32 8.7 4.8 | -43.6 -46.5 295 54 28 9.2 5.1
30000 -38.6 -37.5 300 61 31 8.0 4.4 | -38.3 -36.9 295 53 27 8.5 4.7
28000 -33.8 -28.8 295 63 32 8.0 4.4 | -33.2 -27.8 295 57 29 8.5 4.7
26000 -29.2 -20.6 300 63 32 7.6 4.2 | -28.4 -19.1 300 56 29 7.9 4.3
24000 -24.6 -12.3 300 61 32 7.7 4.2 | -23.7 -10.7 300 54 28 7.3 4.0
22000 -19.4 -2.9 300 58 30 7.7 4.2 | -18.8 -1.8 300 54 28 7.5 4.1
20000 -15.1 4.8 300 57 29 7.1 3.9 | -14.9 5.2 300 54 28 6.4 3.5
18000 -11.1 12.0 300 55 29 6.5 3.5 | -11.2 11.8 300 53 27 5.9 3.3
16000 -7.7 18.1 300 53 27 5.6 3.1 | -7.0 19.4 295 50 26 7.1 3.9
14000 -4.5 23.9 300 48 25 5.3 2.9 | -3.2 26.2 295 46 24 5.2 2.9
12000 -1.8 28.8 300 41 21 4.5 2.5 | -0.4 31.3 290 39 20 3.6 2.0
10000 0.7 33.3 295 32 16 2.9 1.6 | 1.2 34.2 280 29 15 3.2 1.7
9000 1.5 34.7 290 26 13 4.8 2.7 | 2.2 36.0 275 25 13 4.1 2.2
8000 3.2 37.8 285 22 11 4.4 2.4 | 3.8 38.8 275 23 12 4.9 2.7
7500 4.1 39.4 285 22 12 6.6 3.6 | 4.7 40.5 280 23 12 5.5 3.0
7000 4.8 40.6 285 23 12 5.2 2.9 | 5.2 41.4 280 23 12 4.1 2.2
6500 5.6 42.1 290 24 12 5.9 3.2 | 5.7 42.3 280 23 12 4.7 2.6
6000 6.6 43.9 285 25 13 6.0 3.3 | 6.5 43.7 280 22 11 5.1 2.8
5500 7.4 45.3 285 24 12 6.3 3.4 | 7.2 45.0 280 20 10 5.3 2.9
5000 8.4 47.1 280 19 10 6.5 3.6 | 8.2 46.8 280 15 8 7.6 4.2
4750 8.9 48.0 280 16 8 5.6 3.1 | 8.7 47.7 280 12 6 7.2 4.0
4500 9.2 48.6 275 13 7 3.7 2.0 | 9.2 48.6 280 10 5 5.5 3.0
4250 9.5 49.1 270 10 5 4.4 2.4 | 9.6 49.3 275 7 4 6.0 3.3
4000 9.9 49.8 270 7 3 5.3 2.9 | 10.1 50.2 280 5 3 6.9 3.8
3750 10.3 50.5 260 4 2 5.3 2.9 | 10.5 50.9 280 4 2 6.1 3.3
3500 10.4 50.7 225 2 1 -3.2 -1.8 | 11.0 51.8 270 3 1 6.4 3.5
3400 10.4 50.7 225 2 1 -3.2 -1.8 | 11.0 51.8 270 3 1 6.4 3.5
3300 9.6 49.3 165 1 1 -18.0 -9.9 | 11.5 52.7 275 2 1 8.6 4.7
3200 9.6 49.3 165 1 1 -18.0 -9.9 | 11.5 52.7 275 2 1 8.6 4.7
3100 9.6 49.3 165 1 1 -18.0 -9.9 | 11.5 52.7 275 2 1 8.6 4.7
3000 8.8 47.8 130 3 1 8.5 4.7 | 12.0 53.6 285 1 1 4.3 2.3
2900 M M M M M M M | M M M M M M M
12/10/2025 at 1400 MST | 12/10/2025 at 1700 MST
|
CAPE... 0.0 LI... +7.2 | CAPE... 0.0 LI... +7.5
CINH... 0.0 K Index... +5.6 | CINH... 0.0 K Index... +3.5
|
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 -63.5 -82.3 300 64 33 1.7 0.9 | -62.4 -80.3 290 63 32 0.9 0.5
38000 -58.6 -73.5 295 60 31 8.8 4.8 | -58.1 -72.6 285 63 32 8.1 4.4
36000 -53.4 -64.1 290 56 29 8.8 4.8 | -53.2 -63.8 280 62 32 8.1 4.4
34000 -48.1 -54.6 290 55 28 8.7 4.8 | -48.2 -54.8 280 60 31 8.5 4.6
32000 -42.9 -45.2 290 56 29 8.7 4.8 | -43.1 -45.6 280 54 28 8.5 4.6
30000 -37.8 -36.0 290 56 29 8.4 4.6 | -38.2 -36.8 280 51 26 8.2 4.5
28000 -32.8 -27.0 290 53 27 8.4 4.6 | -33.2 -27.8 285 48 25 8.2 4.5
26000 -28.0 -18.4 290 49 25 7.8 4.3 | -28.9 -20.0 285 49 25 6.8 3.7
24000 -23.5 -10.3 290 46 24 6.5 3.6 | -24.2 -11.6 290 50 26 7.8 4.3
22000 -19.0 -2.2 295 50 26 6.6 3.6 | -19.5 -3.1 290 49 25 7.9 4.3
20000 -15.0 5.0 295 51 26 6.9 3.8 | -15.1 4.8 290 49 25 7.4 4.1
18000 -10.9 12.4 295 51 26 6.9 3.8 | -10.8 12.6 285 49 25 7.1 3.9
16000 -6.8 19.8 290 50 26 6.8 3.7 | -6.8 19.8 280 48 24 6.3 3.5
14000 -3.4 25.9 285 47 24 4.3 2.4 | -3.4 25.9 280 45 23 4.9 2.7
12000 -0.9 30.4 285 42 21 4.3 2.3 | -0.6 30.9 285 41 21 4.6 2.5
10000 1.8 35.2 280 35 18 4.6 2.5 | 2.0 35.6 290 36 19 4.9 2.7
9000 3.1 37.6 280 31 16 4.1 2.3 | 3.4 38.1 295 33 17 5.1 2.8
8000 4.7 40.5 280 26 13 6.4 3.5 | 5.4 41.7 290 27 14 6.7 3.7
7500 5.2 41.4 275 25 13 2.8 1.5 | 6.0 42.8 290 24 13 3.9 2.2
7000 5.9 42.6 275 23 12 5.0 2.7 | 6.8 44.2 285 22 11 5.7 3.1
6500 6.6 43.9 275 22 11 5.2 2.9 | 7.6 45.7 285 21 11 5.7 3.2
6000 7.4 45.3 280 18 9 5.1 2.8 | 8.5 47.3 280 17 9 6.6 3.6
5500 8.1 46.6 280 14 7 5.0 2.7 | 9.4 48.9 280 14 7 5.5 3.0
5000 8.8 47.8 290 8 4 6.5 3.6 | 10.1 50.2 280 8 4 6.2 3.4
4750 9.3 48.7 295 7 3 7.1 3.9 | 10.6 51.1 290 7 3 5.9 3.2
4500 9.8 49.6 300 5 3 7.3 4.0 | 10.9 51.6 295 4 2 4.1 2.3
4250 10.4 50.7 300 4 2 8.6 4.7 | 11.2 52.2 350 1 1 5.4 3.0
4000 11.1 52.0 305 4 2 9.6 5.3 | 11.7 53.1 025 2 1 6.2 3.4
3750 11.8 53.2 315 4 2 8.5 4.7 | 12.1 53.8 040 2 1 8.1 4.4
3500 12.4 54.3 310 3 2 8.2 4.5 | 12.6 54.7 080 3 1 1.4 0.8
3400 12.4 54.3 310 3 2 8.2 4.5 | 12.6 54.7 080 3 1 1.4 0.8
3300 13.0 55.4 315 3 2 10.0 5.5 | 12.0 53.6 080 3 1 -16.2 -8.9
3200 13.0 55.4 315 3 2 10.0 5.5 | 12.0 53.6 080 3 1 -16.2 -8.9
3100 13.0 55.4 315 3 2 10.0 5.5 | 12.0 53.6 080 3 1 -16.2 -8.9
3000 13.7 56.7 320 3 2 6.2 3.4 | 11.5 52.7 075 3 2 17.2 9.4
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