476
UXUS97 KBOI 151305
SRGBOI
SOARING FORECAST
NATIONAL WEATHER SERVICE BOISE, IDAHO
705 AM MDT SATURDAY, AUGUST 15, 2026
THIS FORECAST IS FOR SATURDAY, AUGUST 15, 2026:
IF THE TRIGGER TEMPERATURE OF 80.4 F/26.9 C IS REACHED...THEN
THERMAL SOARING INDEX....................... EXCELLENT
MAXIMUM RATE OF LIFT........................ 1419 FT/MIN (7.2 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 16825 FT MSL (13858 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 91.0 F/33.2 C
TIME OF TRIGGER TEMPERATURE.................... 1145 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................. 10738 FT MSL (7771 FT AGL)
THERMAL SOARING OUTLOOK FOR SUNDAY 08/16....... EXCELLENT
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 06:50:07 / 20:48:27 MDT
TOTAL POSSIBLE SUNSHINE........... 13 HR 58 MIN 20 SEC (838 MIN 20 SEC)
ALTITUDE OF SUN AT 13:49:17 MDT... 58.48 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 08/15/2026 AT 0600 MDT
FREEZING LEVEL.................. 13221 FT MSL (10254 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 12319 FT MSL (9352 FT AGL)
LIFTED CONDENSATION LEVEL....... 13330 FT MSL (10364 FT AGL)
LIFTED INDEX.................... -4.2
K INDEX......................... +32.0
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 -54.5 -66.1 225 33 17 -1.2 -0.7 M M M M M
38000 -52.9 -63.2 220 34 17 3.0 1.7 M M M M M
36000 -50.9 -59.6 215 34 17 3.1 1.7 M M M M M
34000 -46.9 -52.4 210 33 17 8.4 4.6 M M M M M
32000 -41.9 -43.4 210 32 17 8.4 4.6 M M M M M
30000 -37.1 -34.8 215 26 14 8.0 4.4 45.3 113.5 9.2 M M
28000 -32.3 -26.1 220 18 9 8.0 4.4 44.0 111.2 8.5 M M
26000 -27.5 -17.5 220 15 7 8.2 4.5 42.7 108.8 7.6 M M
24000 -22.7 -8.9 220 12 6 7.7 4.2 41.5 106.7 6.8 M M
22000 -17.6 0.3 220 11 6 7.5 4.1 39.8 103.6 5.5 M M
20000 -13.9 7.0 225 11 6 6.1 3.3 37.1 98.8 3.4 M M
18000 -10.4 13.3 235 11 6 6.3 3.4 34.6 94.3 1.2 M M
16000 -6.6 20.1 235 8 4 6.7 3.7 32.4 90.3 -0.9 1145 5.8
14000 -2.1 28.2 205 6 3 8.9 4.9 31.1 88.0 -2.3 952 4.8
12000 3.3 37.9 170 11 6 9.8 5.4 30.9 87.6 -2.7 730 3.7
10000 8.6 47.5 170 15 8 8.2 4.5 30.5 86.9 -3.3 512 2.6
9000 11.0 51.8 170 15 8 7.2 4.0 30.0 85.9 -3.9 411 2.1
8000 13.9 57.0 170 13 7 7.4 4.0 29.2 84.5 -4.6 287 1.5
7500 14.8 58.6 165 13 7 5.8 3.2 28.6 83.4 -5.2 246 1.2
7000 15.7 60.3 165 13 7 5.7 3.1 28.0 82.5 -5.8 203 1.0
6500 16.5 61.7 165 13 7 5.9 3.2 27.4 81.3 -6.5 165 0.8
6000 17.3 63.1 160 15 8 6.6 3.6 26.8 80.2 -7.1 126 0.6
5500 18.3 64.9 150 16 8 6.4 3.5 26.3 79.4 -7.6 81 0.4
5000 19.2 66.6 145 17 9 7.0 3.8 25.8 78.5 -8.2 40 0.2
4750 19.7 67.5 145 18 9 5.8 3.2 25.6 78.1 -8.5 18 0.1
4500 20.0 68.0 145 16 8 4.8 2.6 25.2 77.4 -8.9 M M
4250 20.3 68.5 145 13 7 1.8 1.0 24.8 76.7 -9.3 M M
4000 20.3 68.5 140 12 6 -2.3 -1.3 24.0 75.2 -10.1 M M
3750 20.3 68.5 135 11 6 1.9 1.1 23.2 73.8 -10.9 M M
3500 20.4 68.7 120 7 4 -4.0 -2.2 22.6 72.7 -11.5 M M
3400 20.4 68.7 120 7 4 -4.0 -2.2 22.6 72.7 -11.5 M M
3300 19.3 66.7 105 5 3 -25.9 -14.2 21.0 69.8 -13.1 M M
3200 19.3 66.7 105 5 3 -25.9 -14.2 21.0 69.8 -13.1 M M
3100 19.3 66.7 105 5 3 -25.9 -14.2 21.0 69.8 -13.1 M M
3000 17.7 63.9 100 4 2 -1.4 -0.8 19.0 66.2 -15.1 25 0.1
2900 M M M M M M M M M M M M
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
08/15/2026 AT 0900 MDT | 08/15/2026 AT 1200 MDT
|
CAPE... +408.6 LI... -2.0 | CAPE... +949.1 LI... -3.8
CINH... -184.5 K INDEX... +31.7 | CINH... -44.4 K INDEX... +31.0
|
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 -54.0 -65.2 235 37 19 -0.0 -0.0 | -54.7 -66.5 235 45 23 0.0 0.0
38000 -52.5 -62.5 230 35 18 2.8 1.5 | -52.3 -62.1 235 44 23 3.8 2.1
36000 -50.6 -59.1 225 33 17 2.8 1.5 | -50.0 -58.0 230 43 22 3.8 2.1
34000 -47.0 -52.6 220 30 16 7.7 4.2 | -46.4 -51.5 225 38 19 7.2 3.9
32000 -42.4 -44.3 210 27 14 7.7 4.2 | -42.1 -43.8 215 30 16 7.2 3.9
30000 -37.4 -35.3 205 23 12 8.8 4.8 | -37.3 -35.1 210 26 14 8.3 4.6
28000 -32.1 -25.8 200 18 9 9.0 4.9 | -32.4 -26.3 205 24 12 8.4 4.6
26000 -27.4 -17.3 195 15 8 7.8 4.3 | -27.7 -17.9 205 22 11 7.8 4.3
24000 -22.9 -9.2 195 13 7 7.5 4.1 | -23.1 -9.6 205 20 10 7.4 4.0
22000 -17.8 -0.0 200 12 6 7.4 4.1 | -18.2 -0.8 215 18 9 7.2 4.0
20000 -13.8 7.2 210 10 5 6.8 3.7 | -14.3 6.3 225 15 8 6.6 3.6
18000 -10.1 13.8 215 8 4 6.5 3.6 | -10.5 13.1 240 14 7 6.8 3.7
16000 -6.2 20.8 205 7 4 6.8 3.7 | -6.4 20.5 235 11 6 7.4 4.1
14000 -2.2 28.0 180 8 4 7.1 3.9 | -2.1 28.2 210 9 5 7.0 3.9
12000 2.1 35.8 175 11 6 7.6 4.2 | 2.5 36.5 200 12 6 8.5 4.7
10000 7.2 45.0 180 11 6 9.3 5.1 | 7.7 45.9 190 11 6 8.8 4.8
9000 9.8 49.6 180 11 6 8.4 4.6 | 10.3 50.5 180 10 5 8.4 4.6
8000 12.9 55.2 190 12 6 6.5 3.6 | 13.4 56.1 170 9 5 5.6 3.1
7500 13.8 56.8 180 11 6 6.8 3.8 | 14.2 57.6 150 8 4 7.8 4.3
7000 14.7 58.5 175 11 5 6.5 3.6 | 15.2 59.4 135 8 4 6.8 3.7
6500 15.5 59.9 175 12 6 5.1 2.8 | 16.1 61.0 135 10 5 6.7 3.7
6000 16.2 61.2 155 13 7 5.0 2.7 | 17.1 62.8 125 11 6 6.0 3.3
5500 16.8 62.2 145 16 8 3.0 1.6 | 18.0 64.4 125 11 6 7.9 4.3
5000 17.4 63.3 140 18 9 7.8 4.3 | 19.1 66.4 120 11 6 9.7 5.3
4750 18.0 64.4 135 20 10 7.4 4.1 | 19.8 67.6 115 11 6 9.7 5.3
4500 18.4 65.1 135 18 9 5.0 2.7 | 20.5 68.9 120 11 6 9.5 5.2
4250 18.7 65.7 130 16 8 4.4 2.4 | 21.2 70.2 125 11 5 9.8 5.4
4000 19.0 66.2 125 15 8 4.3 2.3 | 22.0 71.6 120 10 5 10.2 5.6
3750 19.3 66.7 125 13 7 4.0 2.2 | 22.7 72.9 115 10 5 9.5 5.2
3500 19.5 67.1 120 11 6 3.9 2.1 | 23.4 74.1 125 9 5 10.9 6.0
3400 19.5 67.1 120 11 6 3.9 2.1 | 23.4 74.1 125 9 5 10.9 6.0
3300 19.8 67.6 120 9 5 4.8 2.7 | 24.3 75.7 125 9 4 15.1 8.3
3200 19.8 67.6 120 9 5 4.8 2.7 | 24.3 75.7 125 9 4 15.1 8.3
3100 19.8 67.6 120 9 5 4.8 2.7 | 24.3 75.7 125 9 4 15.1 8.3
3000 20.1 68.2 120 8 4 2.8 1.5 | 25.2 77.4 125 8 4 7.2 3.9
2900 M M M M M M M | M M M M M M M
08/15/2026 AT 1500 MDT | 08/15/2026 AT 1800 MDT
|
CAPE... +797.4 LI... -3.6 | CAPE... +483.1 LI... -3.1
CINH... -13.7 K INDEX... +31.9 | CINH... -21.1 K INDEX... +29.6
|
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 -54.7 -66.5 245 50 26 4.9 2.7 | -55.3 -67.5 250 45 23 6.5 3.6
38000 -51.7 -61.1 245 51 26 5.0 2.8 | -51.9 -61.4 250 45 23 5.7 3.1
36000 -48.7 -55.7 250 53 27 5.1 2.8 | -48.5 -55.3 250 45 23 5.7 3.1
34000 -45.0 -49.0 245 48 25 6.7 3.7 | -44.2 -47.6 250 44 23 7.6 4.2
32000 -40.9 -41.6 240 41 21 6.7 3.7 | -39.7 -39.5 245 43 22 7.6 4.2
30000 -36.6 -33.9 235 36 18 7.5 4.1 | -35.3 -31.5 245 41 21 7.2 3.9
28000 -32.2 -26.0 225 31 16 7.4 4.1 | -31.0 -23.8 240 38 20 7.2 3.9
26000 -27.6 -17.7 220 29 15 7.7 4.2 | -26.7 -16.1 240 35 18 7.2 4.0
24000 -22.5 -8.5 220 27 14 7.4 4.0 | -22.0 -7.6 235 31 16 6.9 3.8
22000 -18.1 -0.6 220 25 13 7.3 4.0 | -17.9 -0.2 240 28 14 6.9 3.8
20000 -14.0 6.8 225 21 11 7.1 3.9 | -13.9 7.0 240 25 13 6.7 3.7
18000 -10.1 13.8 225 17 9 6.7 3.7 | -9.9 14.2 240 21 11 7.1 3.9
16000 -5.9 21.4 225 15 8 7.5 4.1 | -5.5 22.1 240 19 10 7.9 4.4
14000 -1.5 29.3 230 14 7 8.1 4.4 | -0.4 31.3 235 16 8 8.7 4.8
12000 3.4 38.1 225 11 6 8.7 4.8 | 4.6 40.3 225 11 6 8.5 4.7
10000 8.4 47.1 205 8 4 8.7 4.8 | 9.7 49.5 200 7 4 8.6 4.7
9000 11.0 51.8 180 7 4 8.8 4.8 | 12.3 54.1 185 6 3 9.1 5.0
8000 14.4 57.9 155 8 4 7.5 4.1 | 16.0 60.8 170 6 3 7.1 3.9
7500 15.5 59.9 150 8 4 9.6 5.3 | 17.0 62.6 175 6 3 10.1 5.5
7000 16.7 62.1 150 8 4 8.1 4.5 | 18.3 64.9 170 6 3 9.6 5.3
6500 18.1 64.6 145 8 4 10.7 5.9 | 19.7 67.5 170 6 3 9.4 5.2
6000 19.6 67.3 145 8 4 9.4 5.1 | 21.1 70.0 170 5 3 9.6 5.3
5500 21.1 70.0 145 8 4 10.9 6.0 | 22.6 72.7 170 5 3 10.1 5.5
5000 22.6 72.7 145 8 4 10.5 5.7 | 24.1 75.4 175 5 3 10.6 5.8
4750 23.4 74.1 145 8 4 10.0 5.5 | 24.9 76.8 170 5 3 9.9 5.5
4500 24.1 75.4 145 7 4 9.6 5.3 | 25.6 78.1 175 5 3 9.0 4.9
4250 24.8 76.6 145 7 4 10.0 5.5 | 26.2 79.2 175 5 2 9.9 5.4
4000 25.6 78.1 145 7 4 10.4 5.7 | 27.0 80.6 175 5 2 11.2 6.2
3750 26.4 79.5 140 7 3 9.8 5.4 | 27.8 82.0 175 4 2 9.1 5.0
3500 27.2 81.0 145 6 3 13.8 7.6 | 28.5 83.3 175 4 2 10.0 5.5
3400 27.2 81.0 145 6 3 13.8 7.6 | 28.5 83.3 175 4 2 10.0 5.5
3300 28.5 83.3 145 6 3 22.1 12.1 | 29.5 85.1 175 4 2 17.3 9.5
3200 28.5 83.3 145 6 3 22.1 12.1 | 29.5 85.1 175 4 2 17.3 9.5
3100 28.5 83.3 145 6 3 22.1 12.1 | 29.5 85.1 175 4 2 17.3 9.5
3000 29.8 85.6 145 6 3 7.6 4.2 | 30.6 87.1 180 4 2 5.9 3.2
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
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