Soaring Guidance
Issued by NWS Boise, ID
Issued by NWS Boise, ID
085
UXUS97 KBOI 011305
SRGBOI
Soaring Forecast
National Weather Service Boise, Idaho
705 AM MDT Monday, September 1, 2025
This forecast is for Monday, September 1, 2025:
If the trigger temperature of 92.3 F/33.5 C is reached...then
Thermal Soaring Index....................... Excellent
Maximum rate of lift........................ 1538 ft/min (7.8 m/s)
Maximum height of thermals.................. 18932 ft MSL (16071 ft AGL)
Forecast maximum temperature................... 99.0 F/37.7 C
Time of trigger temperature.................... 1330 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................. 7547 ft MSL (4686 ft AGL)
Thermal soaring outlook for Tuesday 09/02...... Excellent
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 07:09:23 / 20:20:00 MDT
Total possible sunshine........... 13 hr 10 min 37 sec (790 min 37 sec)
Altitude of sun at 13:44:41 MDT... 53.09 degrees
Upper air data from rawinsonde observation taken on 09/01/2025 at 0600 MDT
Freezing level.................. 14938 ft MSL (12077 ft AGL)
Convective condensation level... 18582 ft MSL (15721 ft AGL)
Lifted condensation level....... 18794 ft MSL (15933 ft AGL)
Lifted index.................... +1.8
K index......................... +15.0
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 -56.0 -68.8 225 33 17 3.5 1.9 60.9 141.6 15.4 M M
38000 -53.6 -64.5 240 32 16 10.0 5.5 55.7 132.2 12.3 M M
36000 -49.8 -57.6 240 31 16 9.4 5.2 52.6 126.7 10.6 M M
34000 -44.4 -47.9 240 28 15 9.8 5.4 50.9 123.6 9.7 M M
32000 -39.2 -38.6 235 25 13 9.5 5.2 49.9 121.8 9.2 M M
30000 -34.1 -29.4 235 19 10 8.6 4.7 48.9 120.0 8.7 M M
28000 -29.0 -20.2 235 15 8 8.6 4.7 48.0 118.4 8.2 M M
26000 -24.4 -11.9 225 17 9 5.9 3.2 46.3 115.4 7.1 M M
24000 -20.5 -4.9 215 18 9 9.4 5.2 43.9 111.1 5.3 M M
22000 -14.9 5.2 215 14 7 8.5 4.7 43.6 110.4 5.1 M M
20000 -11.3 11.7 220 10 5 0.7 0.4 40.8 105.4 2.9 M M
18000 -8.6 16.5 185 9 4 9.2 5.0 36.6 97.9 -1.0 1443 7.3
16000 -2.9 26.8 210 10 5 9.6 5.3 36.7 98.0 -1.0 1211 6.2
14000 2.9 37.2 205 10 5 9.6 5.3 36.7 98.0 -1.1 979 5.0
12000 8.7 47.7 205 10 5 9.6 5.3 36.5 97.8 -1.2 746 3.8
10000 14.4 57.9 190 13 7 9.4 5.2 36.5 97.6 -1.4 515 2.6
9000 17.3 63.1 175 14 7 9.9 5.4 36.4 97.4 -1.5 400 2.0
8000 19.3 66.7 160 22 11 5.6 3.1 35.4 95.7 -2.4 310 1.6
7500 20.1 68.2 155 25 13 5.6 3.1 34.7 94.5 -3.0 270 1.4
7000 21.1 70.0 150 28 14 7.9 4.4 34.2 93.6 -3.5 227 1.2
6500 22.4 72.3 145 29 15 8.6 4.7 34.0 93.2 -3.7 172 0.9
6000 23.7 74.7 140 30 15 8.6 4.7 33.9 92.9 -3.8 118 0.6
5500 25.0 77.0 145 31 16 8.2 4.5 33.7 92.6 -4.0 64 0.3
5000 25.9 78.6 140 31 16 6.7 3.7 33.2 91.7 -4.6 22 0.1
4750 26.5 79.7 140 31 16 8.6 4.7 33.1 91.5 -4.8 M M
4500 27.1 80.8 135 30 15 9.3 5.1 33.0 91.4 -4.9 M M
4250 27.8 82.0 130 29 15 6.6 3.6 32.9 91.2 -5.0 M M
4000 28.1 82.6 125 28 14 3.6 2.0 32.5 90.5 -5.4 M M
3750 28.4 83.1 115 27 14 3.9 2.1 32.1 89.7 -5.9 M M
3500 28.7 83.7 115 26 13 4.8 2.6 31.6 88.9 -6.3 M M
3400 29.0 84.2 110 25 13 1.0 0.5 31.2 88.1 -6.7 M M
3300 29.0 84.2 110 25 13 1.0 0.5 31.2 88.1 -6.7 M M
3200 28.5 83.3 105 21 11 -14.3 -7.8 30.0 86.0 -7.9 M M
3100 28.5 83.3 105 21 11 -14.3 -7.8 30.0 86.0 -7.9 M M
3000 28.5 83.3 105 21 11 -14.3 -7.8 30.0 86.0 -7.9 M M
2900 26.6 79.9 120 7 4 -26.3 -14.4 27.7 81.8 -10.6 M M
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
09/01/2025 at 0900 MDT | 09/01/2025 at 1200 MDT
|
CAPE... 0.0 LI... +0.5 | CAPE... +12.8 LI... -0.3
CINH... -0.1 K Index... +17.3 | CINH... -70.6 K Index... +17.5
|
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 -55.8 -68.4 235 31 16 5.4 3.0 | -55.1 -67.2 240 33 17 4.8 2.6
38000 -52.7 -62.9 230 29 15 5.2 2.9 | -52.3 -62.1 235 29 15 4.6 2.5
36000 -49.6 -57.3 225 27 14 5.3 2.9 | -49.2 -56.6 230 25 13 4.3 2.3
34000 -44.6 -48.3 225 24 12 8.1 4.5 | -44.6 -48.3 225 23 12 8.3 4.5
32000 -39.7 -39.5 225 21 11 8.1 4.4 | -39.7 -39.5 215 21 11 8.2 4.5
30000 -34.7 -30.5 225 18 9 8.5 4.7 | -34.7 -30.5 215 19 10 8.4 4.6
28000 -29.6 -21.3 220 14 7 8.0 4.4 | -29.6 -21.3 210 16 8 8.1 4.4
26000 -25.2 -13.4 220 13 7 7.3 4.0 | -25.0 -13.0 210 14 7 7.7 4.2
24000 -20.8 -5.4 210 13 7 7.6 4.2 | -20.5 -4.9 210 13 7 7.1 3.9
22000 -15.8 3.6 205 13 7 6.0 3.3 | -15.8 3.6 205 13 6 5.7 3.1
20000 -12.7 9.1 210 10 5 5.6 3.1 | -12.8 9.0 195 9 5 5.4 3.0
18000 -8.6 16.5 230 8 4 8.7 4.8 | -8.7 16.3 205 7 4 8.9 4.9
16000 -3.4 25.9 225 7 4 9.2 5.0 | -3.5 25.7 225 6 3 9.2 5.0
14000 2.2 36.0 215 6 3 9.8 5.4 | 2.2 36.0 215 6 3 9.8 5.4
12000 8.0 46.4 205 7 3 9.6 5.2 | 7.9 46.2 210 7 3 9.5 5.2
10000 13.2 55.8 185 10 5 7.8 4.3 | 13.3 55.9 205 9 4 8.5 4.7
9000 15.5 59.9 180 13 7 7.3 4.0 | 15.8 60.4 195 9 5 7.7 4.2
8000 18.2 64.8 165 14 7 6.4 3.5 | 18.6 65.5 165 10 5 5.9 3.2
7500 19.1 66.4 160 16 8 6.5 3.6 | 19.4 66.9 160 12 6 7.0 3.8
7000 20.1 68.2 155 18 9 5.8 3.2 | 20.4 68.7 150 14 7 5.6 3.1
6500 21.1 70.0 150 19 10 8.3 4.6 | 21.3 70.3 145 15 8 7.6 4.2
6000 22.3 72.1 145 20 10 7.1 3.9 | 22.4 72.3 140 15 8 7.3 4.0
5500 23.1 73.6 140 21 11 5.8 3.2 | 23.4 74.1 140 14 7 6.7 3.7
5000 24.0 75.2 135 22 11 6.7 3.7 | 24.3 75.7 140 13 7 6.8 3.7
4750 24.4 75.9 135 24 12 3.9 2.2 | 24.8 76.6 145 13 6 6.7 3.7
4500 24.5 76.1 130 22 11 0.8 0.4 | 25.2 77.4 145 12 6 6.5 3.6
4250 24.4 75.9 130 19 10 -5.3 -2.9 | 25.8 78.4 145 11 6 9.5 5.2
4000 23.7 74.7 125 17 9 -10.6 -5.8 | 26.7 80.1 150 11 6 13.4 7.3
3750 23.0 73.4 125 15 8 -8.5 -4.6 | 27.5 81.5 150 11 6 7.5 4.1
3500 22.4 72.3 120 9 5 -7.4 -4.1 | 27.9 82.2 150 10 5 8.6 4.7
3400 22.4 72.3 120 9 5 -7.4 -4.1 | 27.9 82.2 150 10 5 8.6 4.7
3300 21.8 71.2 115 6 3 -6.7 -3.7 | 29.2 84.6 150 9 5 25.8 14.1
3200 21.8 71.2 115 6 3 -6.7 -3.7 | 29.2 84.6 150 9 5 25.8 14.1
3100 21.8 71.2 115 6 3 -6.7 -3.7 | 29.2 84.6 150 9 5 25.8 14.1
3000 21.3 70.3 105 5 2 -7.6 -4.2 | 30.6 87.1 150 9 5 -4.9 -2.7
2900 M M M M M M M | M M M M M M M
09/01/2025 at 1500 MDT | 09/01/2025 at 1800 MDT
|
CAPE... +23.9 LI... -0.8 | CAPE... +7.3 LI... -0.4
CINH... -50.0 K Index... +19.2 | CINH... -41.0 K Index... +19.0
|
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 -55.2 -67.4 245 40 21 5.5 3.0 | -55.4 -67.7 250 41 21 5.8 3.2
38000 -52.2 -62.0 245 37 19 5.1 2.8 | -52.2 -62.0 250 39 20 5.3 2.9
36000 -48.7 -55.7 245 32 17 4.8 2.7 | -48.7 -55.7 250 36 19 5.0 2.7
34000 -44.2 -47.6 240 27 14 8.0 4.4 | -44.0 -47.2 245 31 16 8.2 4.5
32000 -39.5 -39.1 230 21 11 7.9 4.3 | -39.1 -38.4 245 25 13 8.2 4.5
30000 -34.6 -30.3 220 19 10 8.2 4.5 | -34.2 -29.6 240 21 11 8.2 4.5
28000 -29.7 -21.5 210 18 9 8.1 4.4 | -29.2 -20.6 230 18 9 7.8 4.3
26000 -24.9 -12.8 210 15 8 8.0 4.4 | -24.8 -12.6 225 15 8 7.5 4.1
24000 -20.3 -4.5 205 13 7 7.2 3.9 | -20.4 -4.7 215 13 7 7.0 3.9
22000 -15.5 4.1 205 12 6 5.6 3.1 | -15.7 3.7 215 13 6 6.5 3.5
20000 -12.5 9.5 200 10 5 5.4 2.9 | -12.0 10.4 220 12 6 6.5 3.6
18000 -8.3 17.1 195 9 5 8.7 4.8 | -7.6 18.3 220 10 5 8.5 4.6
16000 -3.0 26.6 190 6 3 9.4 5.2 | -2.4 27.7 210 7 4 9.1 5.0
14000 2.4 36.3 180 4 2 9.2 5.1 | 3.0 37.4 185 5 2 9.2 5.0
12000 8.0 46.4 180 3 2 9.3 5.1 | 8.5 47.3 140 5 2 9.2 5.0
10000 13.5 56.3 165 4 2 8.8 4.8 | 14.1 57.4 120 6 3 9.4 5.1
9000 16.2 61.2 155 5 3 8.8 4.8 | 16.8 62.2 115 6 3 9.3 5.1
8000 19.7 67.5 140 7 4 6.6 3.6 | 20.5 68.9 120 6 3 7.8 4.3
7500 20.6 69.1 145 7 4 8.9 4.9 | 21.7 71.1 120 5 3 10.2 5.6
7000 21.8 71.2 145 8 4 8.0 4.4 | 23.1 73.6 120 5 3 9.9 5.4
6500 23.1 73.6 145 8 4 10.2 5.6 | 24.6 76.3 120 5 3 9.8 5.4
6000 24.6 76.3 145 8 4 9.8 5.4 | 26.0 78.8 120 5 2 10.1 5.5
5500 26.1 79.0 145 7 4 10.3 5.6 | 27.5 81.5 120 4 2 9.6 5.3
5000 27.6 81.7 150 7 4 10.5 5.8 | 29.0 84.2 120 4 2 11.0 6.0
4750 28.4 83.1 150 7 4 10.0 5.5 | 29.8 85.6 125 4 2 10.3 5.7
4500 29.1 84.4 150 7 4 9.2 5.1 | 30.5 86.9 125 4 2 8.8 4.8
4250 29.8 85.6 150 7 4 10.1 5.5 | 31.2 88.2 120 4 2 9.5 5.2
4000 30.6 87.1 150 7 3 11.3 6.2 | 31.9 89.4 125 4 2 9.9 5.4
3750 31.4 88.5 155 7 3 9.4 5.2 | 32.7 90.9 130 4 2 9.4 5.2
3500 32.1 89.8 155 6 3 11.7 6.4 | 33.3 91.9 125 3 2 9.5 5.2
3400 32.1 89.8 155 6 3 11.7 6.4 | 33.3 91.9 125 3 2 9.5 5.2
3300 33.3 91.9 155 6 3 21.3 11.7 | 34.1 93.4 125 3 2 11.4 6.2
3200 33.3 91.9 155 6 3 21.3 11.7 | 34.1 93.4 125 3 2 11.4 6.2
3100 33.3 91.9 155 6 3 21.3 11.7 | 34.1 93.4 125 3 2 11.4 6.2
3000 34.7 94.5 155 6 3 10.0 5.5 | 34.9 94.8 130 3 2 10.5 5.8
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